Attachment #254145 for bug #281985




PORTNAME=	librewolf
DISTVERSION=	131.0.2
DISTVERSIONSUFFIX=	-1.source
PORTREVISION=	2
CATEGORIES=	www wayland
MASTER_SITES=	https://gitlab.com/api/v4/projects/32320088/packages/generic/${PORTNAME}-source/${DISTVERSION}-1/


LICENSE_FILE=	${WRKSRC}/LICENSE

BUILD_DEPENDS=	nspr>=4.32:devel/nspr \
		nss>=3.104:security/nss \
		icu>=73.1:devel/icu \
		libevent>=2.1.8:devel/libevent \
		harfbuzz>=9.0.0:print/harfbuzz \
		graphite2>=1.3.14:graphics/graphite2 \
		png>=1.6.43:graphics/png \
		dav1d>=1.0.0:multimedia/dav1d \
		libvpx>=1.14.1:multimedia/libvpx \
		${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
		v4l_compat>0:multimedia/v4l_compat \
		autoconf2.13:devel/autoconf2.13 \


FIREFOX_ICON=		${MOZILLA}.png
FIREFOX_ICON_SRC=	${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default48.png
FIREFOX_DESKTOP=	${MOZSRC}/taskcluster/docker/firefox-snap/firefox.desktop

.include "${.CURDIR}/../../www/firefox/Makefile.options"


MOZ_OPTIONS+=	--with-wasi-sysroot=${LOCALBASE}/share/wasi-sysroot
.endif

post-extract:
	@${SED} -e 's|@FIREFOX_ICON@|${FIREFOX_ICON:R}|;s|@MOZILLA@|${MOZILLA}|' \
		${FILESDIR}/firefox.desktop.in > ${WRKDIR}/${MOZILLA_EXEC_NAME}.desktop

post-patch:
	@${REINPLACE_CMD} -e 's/%u/%U/' -e '/X-MultipleArgs/d' \
		-e 's/firefox/${MOZILLA}/' \
		-e 's/Firefox/${MOZILLA_CAP}/' \
		-e '/^Icon/s/=.*/=${FIREFOX_ICON:R}/' \
		${FIREFOX_DESKTOP}
	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|g' \
		${WRKSRC}/browser/app/nsBrowserApp.cpp
	@${RM} ${WRKSRC}/mozconfig
	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|g' \
		${WRKSRC}/browser/app/nsBrowserApp.cpp

post-install:
	${INSTALL_DATA} ${WRKDIR}/${MOZILLA_EXEC_NAME}.desktop ${STAGEDIR}${PREFIX}/share/applications
	${MKDIR} ${STAGEDIR}${PREFIX}/share/pixmaps
	${LN} -sf ${FIREFOX_ICON_SRC} ${STAGEDIR}${PREFIX}/share/pixmaps/${FIREFOX_ICON}


Lines 1-3 Link Here

(-)b/www/librewolf/distinfo (-3 / +3 lines)
1	TIMESTAMP = 1723582244	1	TIMESTAMP = 1728576968
2	SHA256 (librewolf-129.0-1.source.tar.gz) = ff03845699e62aa68f31fb7b17193636e9e8a63dd824011f3d84059574c9b09d	2	SHA256 (librewolf-131.0.2-1.source.tar.gz) = 74e4bbcd9108d7f04c8be6a52ab96aa23d6eef7e1a396215444b2028a0db5ae7
3	SIZE (librewolf-129.0-1.source.tar.gz) = 1016824247	3	SIZE (librewolf-131.0.2-1.source.tar.gz) = 1035020649




[Desktop Entry]
Version=1.0
Name=Firefox Web Browser
Name[ar]=متصفح الويب فَيَرفُكْس
Name[ast]=Restolador web Firefox
Name[bn]=ফায়ারফক্স ওয়েব ব্রাউজার
Name[ca]=Navegador web Firefox
Name[cs]=Firefox Webový prohlížeč
Name[da]=Firefox - internetbrowser
Name[el]=Περιηγητής Firefox
Name[es]=Navegador web Firefox
Name[et]=Firefoxi veebibrauser
Name[fa]=مرورگر اینترنتی Firefox
Name[fi]=Firefox-selain
Name[fr]=Navigateur Web Firefox
Name[gl]=Navegador web Firefox
Name[he]=דפדפן האינטרנט Firefox
Name[hr]=Firefox web preglednik
Name[hu]=Firefox webböngésző
Name[it]=Firefox Browser Web
Name[ja]=Firefox ウェブ・ブラウザ
Name[ko]=Firefox 웹 브라우저
Name[ku]=Geroka torê Firefox
Name[lt]=Firefox interneto naršyklė
Name[nb]=Firefox Nettleser
Name[nl]=Firefox webbrowser
Name[nn]=Firefox Nettlesar
Name[no]=Firefox Nettleser
Name[pl]=Przeglądarka WWW Firefox
Name[pt]=Firefox Navegador Web
Name[pt_BR]=Navegador Web Firefox
Name[ro]=Firefox – Navigator Internet
Name[ru]=Веб-браузер Firefox
Name[sk]=Firefox - internetový prehliadač
Name[sl]=Firefox spletni brskalnik
Name[sv]=Firefox webbläsare
Name[tr]=Firefox Web Tarayıcısı
Name[ug]=Firefox توركۆرگۈ
Name[uk]=Веб-браузер Firefox
Name[vi]=Trình duyệt web Firefox
Name[zh_CN]=Firefox 网络浏览器
Name[zh_TW]=Firefox 網路瀏覽器
Comment=Browse the World Wide Web
Comment[ar]=تصفح الشبكة العنكبوتية العالمية
Comment[ast]=Restola pela Rede
Comment[bn]=ইন্টারনেট ব্রাউজ করুন
Comment[ca]=Navegueu per la web
Comment[cs]=Prohlížení stránek World Wide Webu
Comment[da]=Surf på internettet
Comment[de]=Im Internet surfen
Comment[el]=Μπορείτε να περιηγηθείτε στο διαδίκτυο (Web)
Comment[es]=Navegue por la web
Comment[et]=Lehitse veebi
Comment[fa]=صفحات شبکه جهانی اینترنت را مرور نمایید
Comment[fi]=Selaa Internetin WWW-sivuja
Comment[fr]=Naviguer sur le Web
Comment[gl]=Navegar pola rede
Comment[he]=גלישה ברחבי האינטרנט
Comment[hr]=Pretražite web
Comment[hu]=A világháló böngészése
Comment[it]=Esplora il web
Comment[ja]=ウェブを閲覧します
Comment[ko]=웹을 돌아 다닙니다
Comment[ku]=Li torê bigere
Comment[lt]=Naršykite internete
Comment[nb]=Surf på nettet
Comment[nl]=Verken het internet
Comment[nn]=Surf på nettet
Comment[no]=Surf på nettet
Comment[pl]=Przeglądanie stron WWW
Comment[pt]=Navegue na Internet
Comment[pt_BR]=Navegue na Internet
Comment[ro]=Navigați pe Internet
Comment[ru]=Доступ в Интернет
Comment[sk]=Prehliadanie internetu
Comment[sl]=Brskajte po spletu
Comment[sv]=Surfa på webben
Comment[tr]=İnternet'te Gezinin
Comment[ug]=دۇنيادىكى توربەتلەرنى كۆرگىلى بولىدۇ
Comment[uk]=Перегляд сторінок Інтернету
Comment[vi]=Để duyệt các trang web
Comment[zh_CN]=浏览互联网
Comment[zh_TW]=瀏覽網際網路
GenericName=Web Browser
GenericName[ar]=متصفح ويب
GenericName[ast]=Restolador Web
GenericName[bn]=ওয়েব ব্রাউজার
GenericName[ca]=Navegador web
GenericName[cs]=Webový prohlížeč
GenericName[da]=Webbrowser
GenericName[el]=Περιηγητής διαδικτύου
GenericName[es]=Navegador web
GenericName[et]=Veebibrauser
GenericName[fa]=مرورگر اینترنتی
GenericName[fi]=WWW-selain
GenericName[fr]=Navigateur Web
GenericName[gl]=Navegador Web
GenericName[he]=דפדפן אינטרנט
GenericName[hr]=Web preglednik
GenericName[hu]=Webböngésző
GenericName[it]=Browser web
GenericName[ja]=ウェブ・ブラウザ
GenericName[ko]=웹 브라우저
GenericName[ku]=Geroka torê
GenericName[lt]=Interneto naršyklė
GenericName[nb]=Nettleser
GenericName[nl]=Webbrowser
GenericName[nn]=Nettlesar
GenericName[no]=Nettleser
GenericName[pl]=Przeglądarka WWW
GenericName[pt]=Navegador Web
GenericName[pt_BR]=Navegador Web
GenericName[ro]=Navigator Internet
GenericName[ru]=Веб-браузер
GenericName[sk]=Internetový prehliadač
GenericName[sl]=Spletni brskalnik
GenericName[sv]=Webbläsare
GenericName[tr]=Web Tarayıcı
GenericName[ug]=توركۆرگۈ
GenericName[uk]=Веб-браузер
GenericName[vi]=Trình duyệt Web
GenericName[zh_CN]=网络浏览器
GenericName[zh_TW]=網路瀏覽器
Keywords=Internet;WWW;Browser;Web;Explorer
Keywords[ar]=انترنت;إنترنت;متصفح;ويب;وب
Keywords[ast]=Internet;WWW;Restolador;Web;Esplorador
Keywords[ca]=Internet;WWW;Navegador;Web;Explorador;Explorer
Keywords[cs]=Internet;WWW;Prohlížeč;Web;Explorer
Keywords[da]=Internet;Internettet;WWW;Browser;Browse;Web;Surf;Nettet
Keywords[de]=Internet;WWW;Browser;Web;Explorer;Webseite;Site;surfen;online;browsen
Keywords[el]=Internet;WWW;Browser;Web;Explorer;Διαδίκτυο;Περιηγητής;Firefox;Φιρεφοχ;Ιντερνετ
Keywords[es]=Explorador;Internet;WWW
Keywords[fi]=Internet;WWW;Browser;Web;Explorer;selain;Internet-selain;internetselain;verkkoselain;netti;surffaa
Keywords[fr]=Internet;WWW;Browser;Web;Explorer;Fureteur;Surfer;Navigateur
Keywords[he]=דפדפן;אינטרנט;רשת;אתרים;אתר;פיירפוקס;מוזילה;
Keywords[hr]=Internet;WWW;preglednik;Web
Keywords[hu]=Internet;WWW;Böngésző;Web;Háló;Net;Explorer
Keywords[it]=Internet;WWW;Browser;Web;Navigatore
Keywords[is]=Internet;WWW;Vafri;Vefur;Netvafri;Flakk
Keywords[ja]=Internet;WWW;Web;インターネット;ブラウザ;ウェブ;エクスプローラ
Keywords[nb]=Internett;WWW;Nettleser;Explorer;Web;Browser;Nettside
Keywords[nl]=Internet;WWW;Browser;Web;Explorer;Verkenner;Website;Surfen;Online
Keywords[pt]=Internet;WWW;Browser;Web;Explorador;Navegador
Keywords[pt_BR]=Internet;WWW;Browser;Web;Explorador;Navegador
Keywords[ru]=Internet;WWW;Browser;Web;Explorer;интернет;браузер;веб;файрфокс;огнелис
Keywords[sk]=Internet;WWW;Prehliadač;Web;Explorer
Keywords[sl]=Internet;WWW;Browser;Web;Explorer;Brskalnik;Splet
Keywords[tr]=İnternet;WWW;Tarayıcı;Web;Gezgin;Web sitesi;Site;sörf;çevrimiçi;tara
Keywords[uk]=Internet;WWW;Browser;Web;Explorer;Інтернет;мережа;переглядач;оглядач;браузер;веб;файрфокс;вогнелис;перегляд
Keywords[vi]=Internet;WWW;Browser;Web;Explorer;Trình duyệt;Trang web
Keywords[zh_CN]=Internet;WWW;Browser;Web;Explorer;网页;浏览;上网;火狐;Firefox;ff;互联网;网站;
Keywords[zh_TW]=Internet;WWW;Browser;Web;Explorer;網際網路;網路;瀏覽器;上網;網頁;火狐
Exec=@MOZILLA@ %U
Terminal=false
Type=Application
Icon=@FIREFOX_ICON@
Categories=GNOME;GTK;Network;WebBrowser;
MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
StartupNotify=true
Actions=NewWindow;NewPrivateWindow;

[Desktop Action NewWindow]
Name=Open a New Window
Name[ar]=افتح نافذة جديدة
Name[ast]=Abrir una ventana nueva
Name[bn]=Abrir una ventana nueva
Name[ca]=Obre una finestra nova
Name[cs]=Otevřít nové okno
Name[da]=Åbn et nyt vindue
Name[de]=Ein neues Fenster öffnen
Name[el]=Άνοιγμα νέου παραθύρου
Name[es]=Abrir una ventana nueva
Name[fi]=Avaa uusi ikkuna
Name[fr]=Ouvrir une nouvelle fenêtre
Name[gl]=Abrir unha nova xanela
Name[he]=פתיחת חלון חדש
Name[hr]=Otvori novi prozor
Name[hu]=Új ablak nyitása
Name[it]=Apri una nuova finestra
Name[ja]=新しいウィンドウを開く
Name[ko]=새 창 열기
Name[ku]=Paceyeke nû veke
Name[lt]=Atverti naują langą
Name[nb]=Åpne et nytt vindu
Name[nl]=Nieuw venster openen
Name[pt]=Abrir nova janela
Name[pt_BR]=Abrir nova janela
Name[ro]=Deschide o fereastră nouă
Name[ru]=Новое окно
Name[sk]=Otvoriť nové okno
Name[sl]=Odpri novo okno
Name[sv]=Öppna ett nytt fönster
Name[tr]=Yeni pencere aç
Name[ug]=يېڭى كۆزنەك ئېچىش
Name[uk]=Відкрити нове вікно
Name[vi]=Mở cửa sổ mới
Name[zh_CN]=新建窗口
Name[zh_TW]=開啟新視窗
Exec=@MOZILLA@ -new-window

[Desktop Action NewPrivateWindow]
Name=Open a New Private Window
Name[ar]=افتح نافذة جديدة للتصفح الخاص
Name[ca]=Obre una finestra nova en mode d'incògnit
Name[de]=Ein neues privates Fenster öffnen
Name[es]=Abrir una ventana privada nueva
Name[fi]=Avaa uusi yksityinen ikkuna
Name[fr]=Ouvrir une nouvelle fenêtre de navigation privée
Name[he]=פתיחת חלון גלישה פרטית חדש
Name[hu]=Új privát ablak nyitása
Name[it]=Apri una nuova finestra anonima
Name[nb]=Åpne et nytt privat vindu
Name[ru]=Новое приватное окно
Name[sl]=Odpri novo okno zasebnega brskanja
Name[tr]=Yeni bir pencere aç
Name[uk]=Відкрити нове вікно у потайливому режимі
Name[zh_TW]=開啟新隱私瀏覽視窗
Exec=@MOZILLA@ -private-window

Lines 1-8 Link Here

(-)b/www/librewolf/files/patch-bug847568 (-25 / +66 lines)
1	# Allow building against system-wide graphite2/harfbuzz.	1	Allow building against system-wide graphite2/harfbuzz
2		2
3	--- config/system-headers.mozbuild.orig 2024-07-25 20:34:40 UTC	3	diff --git config/system-headers.mozbuild config/system-headers.mozbuild
		4	index af44c89057fc..c0ac271917fb 100644
		5	--- config/system-headers.mozbuild
4	+++ config/system-headers.mozbuild	6	+++ config/system-headers.mozbuild
5	@@ -1305,6 +1305,19 @@ if CONFIG["MOZ_ENABLE_LIBPROXY"]:	7	@@ -1304,6 +1304,19 @@ if CONFIG["MOZ_ENABLE_LIBPROXY"]:
6	"proxy.h",	8	"proxy.h",
7	]	9	]
8		10
Lines 22-30 Link Here
22	if CONFIG["MOZ_SYSTEM_ICU"]:	24	if CONFIG["MOZ_SYSTEM_ICU"]:
23	system_headers += [	25	system_headers += [
24	"unicode/calendar.h",	26	"unicode/calendar.h",
25	--- dom/base/moz.build.orig 2024-07-25 20:34:40 UTC	27	diff --git dom/base/moz.build dom/base/moz.build
		28	index 170d19f09aa9..a47fc8b1193c 100644
		29	--- dom/base/moz.build
26	+++ dom/base/moz.build	30	+++ dom/base/moz.build
27	@@ -616,6 +616,9 @@ if CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":	31	@@ -620,6 +620,9 @@ FINAL_LIBRARY = "xul"
28	if CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":	32	if CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":
29	CXXFLAGS += CONFIG["MOZ_GTK3_CFLAGS"]	33	CXXFLAGS += CONFIG["MOZ_GTK3_CFLAGS"]
30		34
Lines 34-40 Link Here
34	GeneratedFile(	38	GeneratedFile(
35	"UseCounterList.h",	39	"UseCounterList.h",
36	script="gen-usecounters.py",	40	script="gen-usecounters.py",
37	--- gfx/graphite2/geckoextra/moz.build.orig 2024-08-13 19:48:57 UTC	41	diff --git gfx/graphite2/geckoextra/moz.build gfx/graphite2/geckoextra/moz.build
		42	new file mode 100644
		43	index 000000000000..ed0323eba9d5
		44	--- /dev/null
38	+++ gfx/graphite2/geckoextra/moz.build	45	+++ gfx/graphite2/geckoextra/moz.build
39	@@ -0,0 +1,21 @@	46	@@ -0,0 +1,21 @@
40	+# -- Mode: python; indent-tabs-mode: nil; tab-width: 40 --	47	+# -- Mode: python; indent-tabs-mode: nil; tab-width: 40 --
Lines 58-73 Link Here
58	+AllowCompilerWarnings()	65	+AllowCompilerWarnings()
59	+	66	+
60	+FINAL_LIBRARY = 'xul'	67	+FINAL_LIBRARY = 'xul'
61	--- gfx/harfbuzz/README-mozilla.fbsd.orig 2024-08-13 19:48:57 UTC	68	diff --git gfx/harfbuzz/README-mozilla.fbsd gfx/harfbuzz/README-mozilla.fbsd
		69	new file mode 100644
		70	index 000000000000..2a10eb1e2b42
		71	--- /dev/null
62	+++ gfx/harfbuzz/README-mozilla.fbsd	72	+++ gfx/harfbuzz/README-mozilla.fbsd
63	@@ -0,0 +1,4 @@	73	@@ -0,0 +1,4 @@
64	+The in-tree copy may be omitted during build by --with-system-harfbuzz.	74	+The in-tree copy may be omitted during build by --with-system-harfbuzz.
65	+Make sure to keep pkg-config version check within toolkit/moz.configure in sync	75	+Make sure to keep pkg-config version check within toolkit/moz.configure in sync
66	+with checkout version or increment latest tag by one if it's not based	76	+with checkout version or increment latest tag by one if it's not based
67	+on upstream release.	77	+on upstream release.
68	--- gfx/moz.build.orig 2024-07-25 20:34:43 UTC	78	diff --git gfx/moz.build gfx/moz.build
		79	index 56ea317bedfc..07dd7f66f1bc 100644
		80	--- gfx/moz.build
69	+++ gfx/moz.build	81	+++ gfx/moz.build
70	@@ -10,6 +10,14 @@ with Files("wr/**"):	82	@@ -10,6 +10,14 @@ with Files("**"):
71	with Files("wr/**"):	83	with Files("wr/**"):
72	BUG_COMPONENT = ("Core", "Graphics: WebRender")	84	BUG_COMPONENT = ("Core", "Graphics: WebRender")
73		85
Lines 91-97 Link Here
91	"ots/src",	103	"ots/src",
92	"thebes",	104	"thebes",
93	"ipc",	105	"ipc",
94	--- gfx/skia/generate_mozbuild.py.orig 2024-07-25 20:34:42 UTC	106	diff --git gfx/skia/generate_mozbuild.py gfx/skia/generate_mozbuild.py
		107	index b589efde1c5c..47f49e10df70 100755
		108	--- gfx/skia/generate_mozbuild.py
95	+++ gfx/skia/generate_mozbuild.py	109	+++ gfx/skia/generate_mozbuild.py
96	@@ -95,6 +95,9 @@ if CONFIG['CC_TYPE'] in ('clang', 'clang-cl'):	110	@@ -95,6 +95,9 @@ if CONFIG['CC_TYPE'] in ('clang', 'clang-cl'):
97	'-Wno-unused-private-field',	111	'-Wno-unused-private-field',
Lines 103-109 Link Here
103	if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk', 'android'):	117	if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk', 'android'):
104	LOCAL_INCLUDES += [	118	LOCAL_INCLUDES += [
105	"/gfx/cairo/cairo/src",	119	"/gfx/cairo/cairo/src",
106	--- gfx/skia/moz.build.orig 2024-07-25 20:34:42 UTC	120	diff --git gfx/skia/moz.build gfx/skia/moz.build
		121	index 7fee54534878..ba1a4038e4a0 100644
		122	--- gfx/skia/moz.build
107	+++ gfx/skia/moz.build	123	+++ gfx/skia/moz.build
108	@@ -623,6 +623,9 @@ if CONFIG['CC_TYPE'] in ('clang', 'clang-cl'):	124	@@ -623,6 +623,9 @@ if CONFIG['CC_TYPE'] in ('clang', 'clang-cl'):
109	'-Wno-unused-private-field',	125	'-Wno-unused-private-field',
Lines 115-123 Link Here
115	if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk', 'android'):	131	if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('gtk', 'android'):
116	LOCAL_INCLUDES += [	132	LOCAL_INCLUDES += [
117	"/gfx/cairo/cairo/src",	133	"/gfx/cairo/cairo/src",
118	--- gfx/thebes/moz.build.orig 2024-07-25 20:34:42 UTC	134	diff --git gfx/thebes/moz.build gfx/thebes/moz.build
		135	index 48f2849e2025..7d0a161a91b4 100644
		136	--- gfx/thebes/moz.build
119	+++ gfx/thebes/moz.build	137	+++ gfx/thebes/moz.build
120	@@ -295,7 +295,13 @@ LOCAL_INCLUDES += CONFIG["SKIA_INCLUDES"]	138	@@ -295,7 +295,13 @@ if CONFIG["MOZ_WAYLAND"]:
121		139
122	LOCAL_INCLUDES += CONFIG["SKIA_INCLUDES"]	140	LOCAL_INCLUDES += CONFIG["SKIA_INCLUDES"]
123		141
Lines 132-138 Link Here
132		150
133	CXXFLAGS += ["-Werror=switch"]	151	CXXFLAGS += ["-Werror=switch"]
134		152
135	--- intl/unicharutil/util/moz.build.orig 2024-07-25 20:34:43 UTC	153	diff --git intl/unicharutil/util/moz.build intl/unicharutil/util/moz.build
		154	index 2396210428ee..092baac6f79c 100644
		155	--- intl/unicharutil/util/moz.build
136	+++ intl/unicharutil/util/moz.build	156	+++ intl/unicharutil/util/moz.build
137	@@ -24,6 +24,9 @@ UNIFIED_SOURCES += [	157	@@ -24,6 +24,9 @@ UNIFIED_SOURCES += [
138	"nsUnicodeProperties.cpp",	158	"nsUnicodeProperties.cpp",
Lines 144-152 Link Here
144	include("/ipc/chromium/chromium-config.mozbuild")	164	include("/ipc/chromium/chromium-config.mozbuild")
145		165
146	GeneratedFile(	166	GeneratedFile(
147	--- netwerk/dns/moz.build.orig 2024-07-25 20:34:48 UTC	167	diff --git netwerk/dns/moz.build netwerk/dns/moz.build
		168	index 1bb0430f01aa..0360e0f468c0 100644
		169	--- netwerk/dns/moz.build
148	+++ netwerk/dns/moz.build	170	+++ netwerk/dns/moz.build
149	@@ -112,6 +112,9 @@ GeneratedFile(	171	@@ -111,6 +111,9 @@ GeneratedFile(
150	"etld_data.inc", script="prepare_tlds.py", inputs=["effective_tld_names.dat"]	172	"etld_data.inc", script="prepare_tlds.py", inputs=["effective_tld_names.dat"]
151	)	173	)
152		174
Lines 156-167 Link Here
156	# need to include etld_data.inc	178	# need to include etld_data.inc
157	LOCAL_INCLUDES += [	179	LOCAL_INCLUDES += [
158	"/netwerk/base",	180	"/netwerk/base",
159	--- old-configure.in.orig 2024-07-25 20:34:49 UTC	181	diff --git old-configure.in old-configure.in
		182	index 1af75c496b15..f1c7d7c48d28 100644
		183	--- old-configure.in
160	+++ old-configure.in	184	+++ old-configure.in
161	@@ -704,6 +704,27 @@ dnl ==================================================	185	@@ -167,6 +167,27 @@ fi
		186	AC_DEFINE_UNQUOTED(MOZ_MACBUNDLE_ID,$MOZ_MACBUNDLE_ID)
162	AC_SUBST(MOZ_MACBUNDLE_ID)	187	AC_SUBST(MOZ_MACBUNDLE_ID)
163		188
164	dnl ========================================================	189	+dnl ========================================================
165	+dnl Check for graphite2	190	+dnl Check for graphite2
166	+dnl ========================================================	191	+dnl ========================================================
167	+if test -n "$MOZ_SYSTEM_GRAPHITE2"; then	192	+if test -n "$MOZ_SYSTEM_GRAPHITE2"; then
Lines 182-194 Link Here
182	+ CFLAGS=$_SAVE_CFLAGS	207	+ CFLAGS=$_SAVE_CFLAGS
183	+fi	208	+fi
184	+	209	+
185	+dnl ========================================================	210	dnl ========================================================
186	dnl = Child Process Name for IPC	211	dnl = Child Process Name for IPC
187	dnl ========================================================	212	dnl ========================================================
188	if test "$MOZ_WIDGET_TOOLKIT" != "android"; then	213	diff --git security/rlbox/moz.build security/rlbox/moz.build
189	--- toolkit/library/moz.build.orig 2024-07-25 20:34:58 UTC	214	index 7ad8d076f0f1..835b9d905e03 100644
		215	--- security/rlbox/moz.build
		216	+++ security/rlbox/moz.build
		217	@@ -47,6 +47,8 @@ if CONFIG["MOZ_WASM_SANDBOXING_GRAPHITE"]:
		218	for k, v in graphite_defines:
		219	WASM_DEFINES[k] = v
		220	LOCAL_INCLUDES += ["/gfx/graphite2/src"]
		221	+ if CONFIG["MOZ_SYSTEM_GRAPHITE2"]:
		222	+ WASM_CXXFLAGS += CONFIG["MOZ_GRAPHITE2_CFLAGS"]
		223
		224	if CONFIG["MOZ_WASM_SANDBOXING_OGG"]:
		225	include("/media/libogg/sources.mozbuild")
		226	diff --git toolkit/library/moz.build toolkit/library/moz.build
		227	index ee6051567c8e..c24a5a513bbc 100644
		228	--- toolkit/library/moz.build
190	+++ toolkit/library/moz.build	229	+++ toolkit/library/moz.build
191	@@ -297,6 +297,12 @@ if CONFIG["MOZ_SYSTEM_WEBP"]:	230	@@ -298,6 +298,12 @@ if CONFIG["MOZ_SYSTEM_PNG"]:
192	if CONFIG["MOZ_SYSTEM_WEBP"]:	231	if CONFIG["MOZ_SYSTEM_WEBP"]:
193	OS_LIBS += CONFIG["MOZ_WEBP_LIBS"]	232	OS_LIBS += CONFIG["MOZ_WEBP_LIBS"]
194		233
Lines 201-209 Link Here
201	if CONFIG["MOZ_SYSTEM_LIBEVENT"]:	240	if CONFIG["MOZ_SYSTEM_LIBEVENT"]:
202	OS_LIBS += CONFIG["MOZ_LIBEVENT_LIBS"]	241	OS_LIBS += CONFIG["MOZ_LIBEVENT_LIBS"]
203		242
204	--- toolkit/moz.configure.orig 2024-08-02 23:23:42 UTC	243	diff --git toolkit/moz.configure toolkit/moz.configure
		244	index 1f85d2831f2f..04ce56e2cc0b 100644
		245	--- toolkit/moz.configure
205	+++ toolkit/moz.configure	246	+++ toolkit/moz.configure
206	@@ -1279,6 +1279,26 @@ set_config("CAIRO_FT_CFLAGS", ft2_info.cflags, when=en	247	@@ -1397,6 +1397,26 @@ def enable_cairo_ft(target, tree_freetype, freetype2_info):
207	set_config("MOZ_ENABLE_CAIRO_FT", True, when=enable_cairo_ft)	248	set_config("MOZ_ENABLE_CAIRO_FT", True, when=enable_cairo_ft)
208	set_config("CAIRO_FT_CFLAGS", ft2_info.cflags, when=enable_cairo_ft)	249	set_config("CAIRO_FT_CFLAGS", ft2_info.cflags, when=enable_cairo_ft)
209		250




Regressed by https://svnweb.freebsd.org/changeset/base/324815

gfx/skia/skia/src/core/SkCpu.cpp:81:27: error: use of undeclared identifier 'getauxval'
        uint32_t hwcaps = getauxval(AT_HWCAP);
                          ^

diff --git gfx/skia/skia/src/core/SkCpu.cpp gfx/skia/skia/src/core/SkCpu.cpp
index cdac7db2be2c..88391138880a 100644
--- gfx/skia/skia/src/core/SkCpu.cpp
+++ gfx/skia/skia/src/core/SkCpu.cpp
@@ -81,6 +81,22 @@
         if (hwcap & HWCAP_LOONGARCH_LSX)  { features |= SkCpu::LOONGARCH_SX; }
         if (hwcap & HWCAP_LOONGARCH_LASX) { features |= SkCpu::LOONGARCH_ASX; }
 
+        return features;
+    }
+#elif defined(SK_CPU_ARM64) && defined(__FreeBSD__)
+    #include <machine/armreg.h>
+    #ifndef ID_AA64ISAR0_CRC32_VAL
+    #define ID_AA64ISAR0_CRC32_VAL ID_AA64ISAR0_CRC32
+    #endif
+
+    static uint32_t read_cpu_features() {
+        uint32_t features = 0;
+        uint64_t id_aa64isar0;
+
+        id_aa64isar0 = READ_SPECIALREG(id_aa64isar0_el1);
+        if (ID_AA64ISAR0_CRC32_VAL(id_aa64isar0) == ID_AA64ISAR0_CRC32_BASE) {
+            features |= SkCpu::CRC32;
+        }
         return features;
     }
 #else




commit da3b4d2fa4d2a502149450e93d2ceaee9eb8d8e4
Author: Christoph Moench-Tegeder <cmt@FreeBSD.org>
Date:   Wed Sep 18 20:59:22 2024 +0000

    regenerate FreeBSD libwebrtc patch for Firefox 131

diff --git third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build third_party/libwebrtc/api/adaptation/resource_adaptation_api_gn/moz.build
index 2dbd5881583e..332ca04819ee 100644

+    DEFINES["USE_X11"] = "1"
 
 Library("aec3_factory_gn")
diff --git third_party/libwebrtc/api/audio/audio_device_gn/moz.build third_party/libwebrtc/api/audio/audio_device_gn/moz.build
index 9609692094c1..f0da29e5d200 100644
--- third_party/libwebrtc/api/audio/audio_device_gn/moz.build
+++ third_party/libwebrtc/api/audio/audio_device_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("audio_device_gn")
diff --git third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build
index e2561db08f06..59da7761dd35 100644
--- third_party/libwebrtc/api/audio/audio_frame_api_gn/moz.build

-    DEFINES["_GNU_SOURCE"] = True
-
 Library("audio_mixer_api_gn")
diff --git third_party/libwebrtc/api/audio/audio_processing_gn/moz.build third_party/libwebrtc/api/audio/audio_processing_gn/moz.build
index 7226d2a92a40..c60a400c218b 100644
--- third_party/libwebrtc/api/audio/audio_processing_gn/moz.build
+++ third_party/libwebrtc/api/audio/audio_processing_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_processing_gn")
diff --git third_party/libwebrtc/api/audio/audio_processing_statistics_gn/moz.build third_party/libwebrtc/api/audio/audio_processing_statistics_gn/moz.build
index d7629659d6ba..cb69c23840a0 100644
--- third_party/libwebrtc/api/audio/audio_processing_statistics_gn/moz.build
+++ third_party/libwebrtc/api/audio/audio_processing_statistics_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_processing_statistics_gn")
diff --git third_party/libwebrtc/api/audio/echo_control_gn/moz.build third_party/libwebrtc/api/audio/echo_control_gn/moz.build
index 06f43e765114..6c06b87bcfe3 100644
--- third_party/libwebrtc/api/audio/echo_control_gn/moz.build
+++ third_party/libwebrtc/api/audio/echo_control_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("echo_control_gn")
diff --git third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
index 5811f4d9321b..0f11017e2f6c 100644
--- third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_decoder_L16_gn")
diff --git third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
index f4fb06ef3f09..90113fd85d92 100644
--- third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/L16/audio_encoder_L16_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_encoder_L16_gn")
diff --git third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
index faed7e9b0f61..84835da8965c 100644
--- third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/audio_codecs_api_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 DEFINES["WEBRTC_USE_BUILTIN_ILBC"] = "1"
 DEFINES["WEBRTC_USE_BUILTIN_OPUS"] = "1"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_codecs_api_gn")
diff --git third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
index 5de9c2960769..a0d91297b550 100644
--- third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/builtin_audio_decoder_factory_gn/moz.build
@@ -12,13 +12,23 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("builtin_audio_decoder_factory_gn")
diff --git third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
index 5ff7dfd0ffd4..334acbe7d342 100644
--- third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/builtin_audio_encoder_factory_gn/moz.build
@@ -12,13 +12,23 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
 DEFINES["WEBRTC_USE_BUILTIN_ILBC"] = "1"
 DEFINES["WEBRTC_USE_BUILTIN_OPUS"] = "1"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -45,189 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("builtin_audio_encoder_factory_gn")
diff --git third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
index e1c8fa6a08bc..7799b83b91bb 100644
--- third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/g711/audio_decoder_g711_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_decoder_g711_gn")
diff --git third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
index 39513d15b310..aff5480ad0b3 100644
--- third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
+++ third_party/libwebrtc/api/audio_codecs/g711/audio_encoder_g711_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-
 Library("field_trials_view_gn")
diff --git third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
index b79f531f5def..36790a9abbbb 100644
--- third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
+++ third_party/libwebrtc/api/frame_transformer_interface_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("frame_transformer_interface_gn")
diff --git third_party/libwebrtc/api/function_view_gn/moz.build third_party/libwebrtc/api/function_view_gn/moz.build
index feea8c2c0ba6..7c48aab74157 100644

-    DEFINES["_GNU_SOURCE"] = True
-
 Library("bandwidth_estimation_settings_gn")
diff --git third_party/libwebrtc/api/transport/bandwidth_usage_gn/moz.build third_party/libwebrtc/api/transport/bandwidth_usage_gn/moz.build
index 2f22fa141fe6..d7e6270a1b00 100644
--- third_party/libwebrtc/api/transport/bandwidth_usage_gn/moz.build
+++ third_party/libwebrtc/api/transport/bandwidth_usage_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("bandwidth_usage_gn")
diff --git third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
index 42410686d0be..82767eaae01a 100644
--- third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
+++ third_party/libwebrtc/api/transport/bitrate_settings_gn/moz.build
+++ third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("bitrate_settings_gn")
diff --git third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
index e0f8f023787b..b9b426e20a50 100644
--- third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
+++ third_party/libwebrtc/api/transport/datagram_transport_interface_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("datagram_transport_interface_gn")
diff --git third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
index 0b2e41f78c7b..665be1aad89b 100644
--- third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
+++ third_party/libwebrtc/api/transport/field_trial_based_config_gn/moz.build
+++ third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("field_trial_based_config_gn")
diff --git third_party/libwebrtc/api/transport/goog_cc_gn/moz.build third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
index 70efa923b78f..6f3cfe2f16c5 100644
--- third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
+++ third_party/libwebrtc/api/transport/goog_cc_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("goog_cc_gn")
diff --git third_party/libwebrtc/api/transport/network_control_gn/moz.build third_party/libwebrtc/api/transport/network_control_gn/moz.build
index abbedfaee9af..08b107c8a46a 100644
--- third_party/libwebrtc/api/transport/network_control_gn/moz.build
+++ third_party/libwebrtc/api/transport/network_control_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("network_control_gn")
diff --git third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
index 16ec75fa0170..dc43798be44c 100644
--- third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
+++ third_party/libwebrtc/api/transport/rtp/dependency_descriptor_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("dependency_descriptor_gn")
diff --git third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
index 83c88e8037fe..3656e84885cd 100644
--- third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
+++ third_party/libwebrtc/api/transport/rtp/rtp_source_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

 
 Library("scalability_mode_gn")
diff --git third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
index f3060e020af9..175782549b6f 100644
--- third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
+++ third_party/libwebrtc/api/video_codecs/video_codecs_api_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()

 
 FINAL_LIBRARY = "xul"
 
@@ -53,185 +63,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
 Library("fixed_digital_gn")
diff --git third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
index 41cc41800770..d80bca19c048 100644
--- third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/agc2/gain_applier_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

+    DEFINES["USE_X11"] = "1"
 
 Library("vad_wrapper_gn")
diff --git third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
index 9b5e11e947d9..1bd5feb70d36 100644
--- third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/apm_logging_gn/moz.build
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

 
 FINAL_LIBRARY = "xul"
 
@@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("apm_logging_gn")
diff --git third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
index 986ecc61c766..3d9e6a75e276 100644
--- third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/audio_buffer_gn/moz.build
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -46,189 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_buffer_gn")
diff --git third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
index 894361b57458..c605bd008d4e 100644
--- third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/audio_frame_proxies_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_frame_proxies_gn")
diff --git third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
index 9f4a7293e302..e9b1dc9e853e 100644
--- third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,118 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -160,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_frame_proxies_gn")
diff --git third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
index 7a283f1e109a..e9b1dc9e853e 100644
--- third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/audio_frame_view_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

+    DEFINES["USE_X11"] = "1"
 
 Library("audio_processing_gn")
diff --git third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
index ba0901058580..d8273687ada4 100644
--- third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/capture_levels_adjuster/capture_levels_adjuster_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("capture_levels_adjuster_gn")
diff --git third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
index 2fd9b99a64df..62d3f34fa3be 100644
--- third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/gain_controller2_gn/moz.build
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("gain_controller2_gn")
diff --git third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
index 09d5dc988247..ce4fc0c9b48a 100644
--- third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/high_pass_filter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("high_pass_filter_gn")
diff --git third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
index 93c673ef1703..87ffa3a5cf65 100644
--- third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/ns/ns_gn/moz.build
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -56,189 +66,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("ns_gn")
diff --git third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
index 0af06a9c3544..8e0e151a81c8 100644
--- third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/optionally_built_submodule_creators_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("optionally_built_submodule_creators_gn")
diff --git third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
index 8b21dc34fd6c..3a7dc84732d1 100644
--- third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rms_level_gn")
diff --git third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
index f3ccbefcdb8e..53e064f05b08 100644
--- third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_api_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("transient_suppressor_api_gn")
diff --git third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
index 0ec5dcb6c535..b42e3cf6c30e 100644
--- third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/transient/transient_suppressor_impl_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/rms_level_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -47,189 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("transient_suppressor_impl_gn")
diff --git third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
index 50a6a9d55ce5..418e3f81e786 100644
--- third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/transient/voice_probability_delay_unit_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("voice_probability_delay_unit_gn")
diff --git third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
index f1b3493b7a96..93278d71202e 100644
--- third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/utility/cascaded_biquad_filter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("cascaded_biquad_filter_gn")
diff --git third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
index 12b385e2e905..fc6f3d337810 100644
--- third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/utility/legacy_delay_estimator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -44,178 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("legacy_delay_estimator_gn")
diff --git third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
index f1e1bc555af4..7ef8884828c3 100644
--- third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/utility/pffft_wrapper_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("pffft_wrapper_gn")
diff --git third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
index 4794a478e8a0..8cf74ef26590 100644
--- third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
+++ third_party/libwebrtc/modules/audio_processing/vad/vad_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -50,189 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("vad_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
index 614d8e5ebc43..b20264e2e6c3 100644
--- third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/congestion_controller_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("congestion_controller_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
index 2a3d216e40c0..099616509cba 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/alr_detector_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("alr_detector_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
index 4cb60b5d0dc7..50814029b56f 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("delay_based_bwe_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
index ad88ce9e6090..6d3e24fb02c2 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/estimators_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -48,189 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("alr_detector_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
index b138b59fc656..7e2398647c6a 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_based_bwe_gn/moz.build
@@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -45,190 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("estimators_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
index 6b0c2966167e..f5da2b2521ed 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,190 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("estimators_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
index fa641fccfe18..fc883ee32524 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/goog_cc_gn/moz.build
@@ -13,11 +13,21 @@ DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["BWE_TEST_LOGGING_COMPILE_TIME_ENABLE"] = "0"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -44,190 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

 
 Library("link_capacity_estimator_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
index bdf6228cc4e1..71a2c7a73bad 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/loss_based_bwe_v1_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
 Library("pushback_controller_gn")
diff --git third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
index 0314d2e9f767..f43abadb7e06 100644
--- third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
+++ third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 Library("desktop_capture_gn")
diff --git third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build
deleted file mode 100644
index 0a76b27ceb41..000000000000
--- third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn/moz.build
+++ /dev/null
@@ -1,78 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.

-    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_iosurface.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/mac/desktop_frame_provider.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_mac.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/mac/screen_capturer_sck.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/mouse_cursor_monitor_mac.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/screen_capturer_darwin.mm",
-    "/third_party/libwebrtc/modules/desktop_capture/window_capturer_mac.mm",

 
     DEFINES["USE_X11"] = "1"
 
diff --git third_party/libwebrtc/modules/remote_bitrate_estimator/congestion_control_feedback_generator_gn/moz.build third_party/libwebrtc/modules/remote_bitrate_estimator/congestion_control_feedback_generator_gn/moz.build
index fa0e8cc1c8f2..26732fc4bc22 100644
--- third_party/libwebrtc/modules/remote_bitrate_estimator/congestion_control_feedback_generator_gn/moz.build
+++ third_party/libwebrtc/modules/remote_bitrate_estimator/congestion_control_feedback_generator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("congestion_control_feedback_generator_gn")
diff --git third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
index 121be23bf87b..f174efad3e75 100644
--- third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
+++ third_party/libwebrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -52,189 +62,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("remote_bitrate_estimator_gn")
diff --git third_party/libwebrtc/modules/remote_bitrate_estimator/rtp_transport_feedback_generator_gn/moz.build third_party/libwebrtc/modules/remote_bitrate_estimator/rtp_transport_feedback_generator_gn/moz.build
index 9e1e50f3e0e2..888e4d1d91b8 100644
--- third_party/libwebrtc/modules/remote_bitrate_estimator/rtp_transport_feedback_generator_gn/moz.build
+++ third_party/libwebrtc/modules/remote_bitrate_estimator/rtp_transport_feedback_generator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,122 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -164,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("rtp_transport_feedback_generator_gn")
diff --git third_party/libwebrtc/modules/remote_bitrate_estimator/transport_sequence_number_feedback_generator_gn/moz.build third_party/libwebrtc/modules/remote_bitrate_estimator/transport_sequence_number_feedback_generator_gn/moz.build
index d9396081112f..bd5d9c4bfc37 100644
--- third_party/libwebrtc/modules/remote_bitrate_estimator/transport_sequence_number_feedback_generator_gn/moz.build
+++ third_party/libwebrtc/modules/remote_bitrate_estimator/transport_sequence_number_feedback_generator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("transport_sequence_number_feedback_generator_gn")
diff --git third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
index 6e1dfd18c099..42e99603f4f1 100644
--- third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
+++ third_party/libwebrtc/modules/rtp_rtcp/leb128_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("leb128_gn")
diff --git third_party/libwebrtc/modules/rtp_rtcp/ntp_time_util_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/ntp_time_util_gn/moz.build
index d3c4652d07e2..82c66ea467fa 100644
--- third_party/libwebrtc/modules/rtp_rtcp/ntp_time_util_gn/moz.build
+++ third_party/libwebrtc/modules/rtp_rtcp/ntp_time_util_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("ntp_time_util_gn")
diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
index ef123804746a..1acac7401f6f 100644
--- third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
+++ third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_format_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -86,189 +96,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 

-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtp_rtcp_format_gn")
diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
index 18691e659af3..abd8389b1a2f 100644
--- third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
+++ third_party/libwebrtc/modules/rtp_rtcp/rtp_rtcp_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -97,190 +107,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 

-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtp_rtcp_gn")
diff --git third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
index bdee5bedc6db..1e2ecfd55661 100644
--- third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
+++ third_party/libwebrtc/modules/rtp_rtcp/rtp_video_header_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 

-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtp_video_header_gn")
diff --git third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
index 9afa4154ee37..d211f0d4e0c2 100644
--- third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
+++ third_party/libwebrtc/modules/third_party/fft/fft_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/utility/source/helpers_android.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("fft_gn")
diff --git third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
index 2fa1910cc844..6accc1d41aba 100644
--- third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
+++ third_party/libwebrtc/modules/third_party/g711/g711_3p_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 ]
 
 UNIFIED_SOURCES += [
+    "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc",
     "/third_party/libwebrtc/modules/video_capture/video_capture_options.cc"
 ]
 
@@ -45,152 +59,13 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "ole32",
-        "oleaut32",
-        "secur32",
-        "strmiids",
-        "user32",
-        "winmm"
-    ]
-
-    SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/help_functions_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/sink_filter_ds.cc"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_factory_windows.cc"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CFLAGS += [
-        "-mfpu=neon"
-    ]
-

-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
-
-    DEFINES["MIPS32_LE"] = True
-    DEFINES["MIPS_FPU_LE"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -209,76 +84,11 @@ if CONFIG["TARGET_CPU"] == "mips32":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-        "/gfx/angle/checkout/include/",
-        "/third_party/drm/drm/",
-        "/third_party/drm/drm/include/",
-        "/third_party/drm/drm/include/libdrm/",
-        "/third_party/gbm/gbm/",
-        "/third_party/libepoxy/libepoxy/include/",
-        "/third_party/pipewire/"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/camera_portal.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_pipewire.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/pipewire_session.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
-    ]
-
-if CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CFLAGS += [
         "-msse2"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+if CONFIG["TARGET_CPU"] == "mips32":
 
+    DEFINES["MIPS32_LE"] = True
+    DEFINES["MIPS_FPU_LE"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -297,10 +107,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
 
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -319,14 +128,14 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+if CONFIG["TARGET_CPU"] == "x86":
 
     CXXFLAGS += [
         "-msse2"
     ]
 
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
-    CFLAGS += [
-        "-msse2"
-    ]
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["TARGET_CPU"] == "x86_64":
 
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
         "/gfx/angle/checkout/include/",
@@ -367,4 +176,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("g711_3p_gn")
diff --git third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
index d1ff3aaad348..f7b9d5799283 100644
--- third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
+++ third_party/libwebrtc/modules/third_party/g722/g722_3p_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -47,174 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CFLAGS += [
-        "-mfpu=neon"
-    ]
-

-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CFLAGS += [
         "-msse2"
     ]
 

-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("g722_3p_gn")
diff --git third_party/libwebrtc/modules/utility/utility_gn/moz.build third_party/libwebrtc/modules/utility/utility_gn/moz.build
index 97d828d64fc1..bd10964445c7 100644
--- third_party/libwebrtc/modules/utility/utility_gn/moz.build
+++ third_party/libwebrtc/modules/utility/utility_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,115 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-        "log"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/utility/source/helpers_android.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -157,60 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
-    CXXFLAGS += [
-        "-msse2"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("utility_gn")
diff --git third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
index 6af27f618bcd..d418565bbd05 100644
--- third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
+++ third_party/libwebrtc/modules/video_capture/video_capture_internal_impl_gn/moz.build
@@ -14,11 +14,21 @@ AllowCompilerWarnings()
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -33,6 +43,10 @@ LOCAL_INCLUDES += [
 ]
 
 UNIFIED_SOURCES += [
+    "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
+    "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc",
     "/third_party/libwebrtc/modules/video_capture/video_capture_options.cc"
 ]
 
@@ -45,152 +59,13 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_v4l2.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_linux.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_v4l2.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "ole32",
-        "oleaut32",
-        "secur32",
-        "strmiids",
-        "user32",
-        "winmm"
-    ]
-
-    SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/help_functions_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/sink_filter_ds.cc"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_ds.cc",
-        "/third_party/libwebrtc/modules/video_capture/windows/video_capture_factory_windows.cc"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
-
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
-if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["MIPS32_LE"] = True
-    DEFINES["MIPS_FPU_LE"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -209,76 +84,11 @@ if CONFIG["TARGET_CPU"] == "mips32":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-    LOCAL_INCLUDES += [
-        "/gfx/angle/checkout/include/",
-        "/third_party/drm/drm/",
-        "/third_party/drm/drm/include/",
-        "/third_party/drm/drm/include/libdrm/",
-        "/third_party/gbm/gbm/",
-        "/third_party/libepoxy/libepoxy/include/",
-        "/third_party/pipewire/"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/modules/video_capture/linux/camera_portal.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/device_info_pipewire.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/pipewire_session.cc",
-        "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
-    ]
-
-if CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
-    CXXFLAGS += [
-        "-msse2"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+if CONFIG["TARGET_CPU"] == "mips32":
 
+    DEFINES["MIPS32_LE"] = True
+    DEFINES["MIPS_FPU_LE"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -297,10 +107,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
+if CONFIG["TARGET_CPU"] == "mips64":
 
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -319,14 +128,14 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+if CONFIG["TARGET_CPU"] == "x86":
 
     CXXFLAGS += [
         "-msse2"
     ]
 
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -345,10 +154,10 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["TARGET_CPU"] == "x86_64":
 
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
     DEFINES["WEBRTC_USE_PIPEWIRE"] = True
-    DEFINES["_GNU_SOURCE"] = True
 
     LOCAL_INCLUDES += [
         "/gfx/angle/checkout/include/",
@@ -367,4 +176,8 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
         "/third_party/libwebrtc/modules/video_capture/linux/video_capture_pipewire.cc"
     ]
 
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
+
+    DEFINES["USE_X11"] = "1"
+
 Library("video_capture_internal_impl_gn")
diff --git third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
index 145e54928644..d53c45076c66 100644
--- third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
+++ third_party/libwebrtc/modules/video_capture/video_capture_module_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -47,189 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("video_capture_module_gn")
diff --git third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
index 065cf604b5d3..e9eebffdbcd2 100644
--- third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/chain_diff_calculator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("chain_diff_calculator_gn")
diff --git third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
index 53a7fc384c3d..bd7362a67f30 100644
--- third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/codec_globals_headers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("codec_globals_headers_gn")
diff --git third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
index b9784482e9bd..d6db6b79cea3 100644
--- third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/codecs/av1/av1_svc_config_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("av1_svc_config_gn")
diff --git third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
index a086f7cb0b6f..6b870ee54300 100644
--- third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/encoded_frame_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("encoded_frame_gn")
diff --git third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
index e8fdf3750a0c..a7f10d9ed7a9 100644
--- third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/frame_dependencies_calculator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("frame_dependencies_calculator_gn")
diff --git third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
index ecd9c1dd8d37..864af3b1dda1 100644
--- third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/frame_helpers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("frame_helpers_gn")
diff --git third_party/libwebrtc/modules/video_coding/h264_sprop_parameter_sets_gn/moz.build third_party/libwebrtc/modules/video_coding/h264_sprop_parameter_sets_gn/moz.build
index b92c2ed52823..0573b18d11d4 100644
--- third_party/libwebrtc/modules/video_coding/h264_sprop_parameter_sets_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/h264_sprop_parameter_sets_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("h264_sprop_parameter_sets_gn")
diff --git third_party/libwebrtc/modules/video_coding/h26x_packet_buffer_gn/moz.build third_party/libwebrtc/modules/video_coding/h26x_packet_buffer_gn/moz.build
index 92267a7c583f..98e803b7c4c1 100644
--- third_party/libwebrtc/modules/video_coding/h26x_packet_buffer_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/h26x_packet_buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("h26x_packet_buffer_gn")
diff --git third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
index 187cf6089c53..45337d14f78e 100644
--- third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/nack_requester_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -44,189 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("nack_requester_gn")
diff --git third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
index 09929b1d482a..f3d5f329d665 100644
--- third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/packet_buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("packet_buffer_gn")
diff --git third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
index 698684346412..da2c255ee0fc 100644
--- third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/svc/scalability_mode_util_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("scalability_mode_util_gn")
diff --git third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
index 88f469760f7f..e0bfc360efea 100644
--- third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/svc/scalability_structures_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -50,185 +60,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("scalability_structures_gn")
diff --git third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
index d09a4aed3ab5..8d6c549ef978 100644
--- third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/svc/scalable_video_controller_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("scalable_video_controller_gn")
diff --git third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
index 2bd3634ba957..a7a401eb155d 100644
--- third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/svc/svc_rate_allocator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("svc_rate_allocator_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
index 9c48932149b9..8bbe558a2477 100644
--- third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/decode_time_percentile_filter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("decode_time_percentile_filter_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
index 0e5991cffd44..8c91c74e87f1 100644
--- third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/frame_delay_variation_kalman_filter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("frame_delay_variation_kalman_filter_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
index a311c4a8024c..72c2e8f95f30 100644
--- third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/inter_frame_delay_variation_calculator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("inter_frame_delay_variation_calculator_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
index 6d87c74bd732..42312fbebab1 100644
--- third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/jitter_estimator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("jitter_estimator_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
index e05eebc11f52..362ec70ca4a8 100644
--- third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/rtt_filter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtt_filter_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
index 10e36ea24cf2..f02054e9631b 100644
--- third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/timestamp_extrapolator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("timestamp_extrapolator_gn")
diff --git third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
index 2ab95ef62991..4f51ffc604ee 100644
--- third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/timing/timing_module_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("timing_module_gn")
diff --git third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
index 0e18b1aecaed..838e14e931d2 100644
--- third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/video_codec_interface_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -45,185 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("video_codec_interface_gn")
diff --git third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
index 01a6429d0cdf..9e61bd48387a 100644
--- third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/video_coding_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -56,190 +66,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("video_coding_gn")
diff --git third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
index 75698c304f78..89bf22a8c48f 100644
--- third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/video_coding_utility_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -54,190 +64,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp8_scalability_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
index d7ae0d5805b3..9ebd70792c7b 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -48,190 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("video_coding_utility_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
index ce59cc861c99..d9cbac447de8 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_libvpx_interface_gn/moz.build
@@ -15,11 +15,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -46,178 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_libvpx_interface_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
index 352458cf8e21..965ef96422be 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_gn/moz.build
@@ -15,11 +15,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -49,190 +59,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp8_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
index 0338ba659e01..f1da16b805a7 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_scalability_gn/moz.build
@@ -273,6 +273,8 @@ DIRS += [
     "/third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn",
     "/third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn",
     "/third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn",
+    "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
+    "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
     "/third_party/libwebrtc/modules/module_api_gn",
     "/third_party/libwebrtc/modules/module_api_public_gn",
     "/third_party/libwebrtc/modules/module_fec_api_gn",
@@ -473,102 +475,11 @@ DIRS += [
     "/third_party/libwebrtc/webrtc_gn"
 ]
 
-if CONFIG["OS_TARGET"] == "Android":
-
-    DIRS += [
-        "/third_party/libwebrtc/rtc_base/ifaddrs_android_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/rtc_base/system/cocoa_threading_gn",
-        "/third_party/libwebrtc/rtc_base/system/gcd_helpers_gn",
-        "/third_party/libwebrtc/sdk/base_objc_gn",
-        "/third_party/libwebrtc/sdk/helpers_objc_gn",
-        "/third_party/libwebrtc/sdk/videocapture_objc_gn",
-        "/third_party/libwebrtc/sdk/videoframebuffer_objc_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn",
-        "/third_party/libwebrtc/rtc_base/win/get_activation_factory_gn",
-        "/third_party/libwebrtc/rtc_base/win/hstring_gn",
-        "/third_party/libwebrtc/rtc_base/win/windows_version_gn",
-        "/third_party/libwebrtc/rtc_base/win32_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "aarch64":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
         "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -576,26 +487,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips32":
 
     DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/modules/portal/portal_gn",
-        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn",
-        "/third_party/libwebrtc/third_party/drm/drm_gn",
-        "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-        "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
-        "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -603,11 +497,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips64":
 
     DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -615,7 +507,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
@@ -623,8 +515,6 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
         "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
         "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
         "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -632,7 +522,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86_64":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
@@ -640,69 +530,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
         "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
         "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
         "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
         "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "ppc64":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
diff --git third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
index 415f09cfd1fe..de5b867157f4 100644
--- third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
+++ third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp8_scalability_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
index d7ae0d5805b3..9ebd70792c7b 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp8_temporal_layers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -48,190 +58,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp8_temporal_layers_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
index c0d16a8e5163..1cf6175508db 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp9_gn/moz.build
@@ -15,11 +15,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -51,190 +61,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp9_gn")
diff --git third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
index 6abd453136c9..c0f5ab3b81ef 100644
--- third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
+++ third_party/libwebrtc/modules/video_coding/webrtc_vp9_helpers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("webrtc_vp9_helpers_gn")
diff --git third_party/libwebrtc/moz.build third_party/libwebrtc/moz.build
index be3997a5c6c4..a7a18e6099ab 100644
--- third_party/libwebrtc/moz.build
+++ third_party/libwebrtc/moz.build
@@ -275,6 +275,8 @@ DIRS += [
     "/third_party/libwebrtc/modules/congestion_controller/goog_cc/send_side_bwe_gn",
     "/third_party/libwebrtc/modules/congestion_controller/rtp/control_handler_gn",
     "/third_party/libwebrtc/modules/congestion_controller/rtp/transport_feedback_gn",
+    "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
+    "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
     "/third_party/libwebrtc/modules/module_api_gn",
     "/third_party/libwebrtc/modules/module_api_public_gn",
     "/third_party/libwebrtc/modules/module_fec_api_gn",
@@ -477,102 +479,11 @@ DIRS += [
     "/third_party/libwebrtc/webrtc_gn"
 ]
 
-if CONFIG["OS_TARGET"] == "Android":
-
-    DIRS += [
-        "/third_party/libwebrtc/rtc_base/ifaddrs_android_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_objc_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/rtc_base/system/cocoa_threading_gn",
-        "/third_party/libwebrtc/rtc_base/system/gcd_helpers_gn",
-        "/third_party/libwebrtc/sdk/base_objc_gn",
-        "/third_party/libwebrtc/sdk/helpers_objc_gn",
-        "/third_party/libwebrtc/sdk/videocapture_objc_gn",
-        "/third_party/libwebrtc/sdk/videoframebuffer_objc_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/rtc_base/win/create_direct3d_device_gn",
-        "/third_party/libwebrtc/rtc_base/win/get_activation_factory_gn",
-        "/third_party/libwebrtc/rtc_base/win/hstring_gn",
-        "/third_party/libwebrtc/rtc_base/win/windows_version_gn",
-        "/third_party/libwebrtc/rtc_base/win32_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "aarch64":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
         "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -580,26 +491,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips32":
 
     DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
-        "/third_party/libwebrtc/modules/portal/portal_gn",
-        "/third_party/libwebrtc/rtc_base/system/asm_defines_gn",
-        "/third_party/libwebrtc/third_party/drm/drm_gn",
-        "/third_party/libwebrtc/third_party/gbm/gbm_gn",
-        "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
-        "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -607,11 +501,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips32":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "mips64":
 
     DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -619,7 +511,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "mips64":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
@@ -627,8 +519,6 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
         "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
         "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
         "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
@@ -636,7 +526,7 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["OS_TARGET"] == "FreeBSD" and CONFIG["TARGET_CPU"] == "x86_64":
 
     DIRS += [
         "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
@@ -644,69 +534,9 @@ if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
         "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
         "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
         "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
         "/third_party/libwebrtc/modules/portal/portal_gn",
         "/third_party/libwebrtc/third_party/drm/drm_gn",
         "/third_party/libwebrtc/third_party/gbm/gbm_gn",
         "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
         "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
     ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_neon_c_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_neon_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["OS_TARGET"] == "WINNT" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DIRS += [
-        "/third_party/libwebrtc/common_audio/common_audio_avx2_gn",
-        "/third_party/libwebrtc/common_audio/common_audio_sse2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/aec3/aec3_avx2_gn",
-        "/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
-    ]
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "ppc64":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "riscv64":
-
-    DIRS += [
-        "/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
-        "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
-    ]
diff --git third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
index 415f09cfd1fe..de5b867157f4 100644
--- third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
+++ third_party/libwebrtc/rtc_base/async_dns_resolver_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("async_dns_resolver_gn")
diff --git third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
index 9f3ce4d4b600..fb11aa9b0f1c 100644
--- third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
+++ third_party/libwebrtc/rtc_base/async_packet_socket_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("async_packet_socket_gn")
diff --git third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
index 70a2aa730b19..27f099ef7b90 100644
--- third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
+++ third_party/libwebrtc/rtc_base/audio_format_to_string_gn/moz.build
+++ third_party/libwebrtc/rtc_base/buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("audio_format_to_string_gn")
diff --git third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
index 3dfd3b19d24b..933e5434bf8c 100644
--- third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/bit_buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("bit_buffer_gn")
diff --git third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
index 7b1ba50f99cf..b05e27ad3426 100644
--- third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
+++ third_party/libwebrtc/rtc_base/bitrate_tracker_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("bitrate_tracker_gn")
diff --git third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
index c82c4c9965bf..36b9f5b6c119 100644
--- third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
+++ third_party/libwebrtc/rtc_base/bitstream_reader_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("bitstream_reader_gn")
diff --git third_party/libwebrtc/rtc_base/buffer_gn/moz.build third_party/libwebrtc/rtc_base/buffer_gn/moz.build
index 5e5d11ff6f7e..fa3cb7950b6c 100644
--- third_party/libwebrtc/rtc_base/buffer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("buffer_gn")
diff --git third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
index 89a2c9e84e1c..01e755bb6f7c 100644
--- third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/byte_buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("byte_buffer_gn")
diff --git third_party/libwebrtc/rtc_base/byte_order_gn/moz.build third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
index b95d149625ed..4ed69f91caf9 100644
--- third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
+++ third_party/libwebrtc/rtc_base/byte_order_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("byte_order_gn")
diff --git third_party/libwebrtc/rtc_base/checks_gn/moz.build third_party/libwebrtc/rtc_base/checks_gn/moz.build
index f147bdc64bd9..477bb6cf012e 100644
--- third_party/libwebrtc/rtc_base/checks_gn/moz.build
+++ third_party/libwebrtc/rtc_base/checks_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("checks_gn")
diff --git third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
index 711466336e15..80475fdc6a41 100644
--- third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
+++ third_party/libwebrtc/rtc_base/compile_assert_c_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("compile_assert_c_gn")
diff --git third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
index fa4fdc873993..7c49ec6a5edd 100644
--- third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
+++ third_party/libwebrtc/rtc_base/containers/flat_containers_internal_gn/moz.build
+++ third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("flat_containers_internal_gn")
diff --git third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
index 7c9b3edd1676..95a2855408fd 100644
--- third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
+++ third_party/libwebrtc/rtc_base/containers/flat_map_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("flat_map_gn")
diff --git third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
index 02d364fe30a5..a7902a51d2f6 100644
--- third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
+++ third_party/libwebrtc/rtc_base/containers/flat_set_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("flat_set_gn")
diff --git third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
index dd687b90f3ff..8ed0bc7ee1af 100644
--- third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/copy_on_write_buffer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("copy_on_write_buffer_gn")
diff --git third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
index d860667eb591..f09bb05f3fda 100644
--- third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
+++ third_party/libwebrtc/rtc_base/criticalsection_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("criticalsection_gn")
diff --git third_party/libwebrtc/rtc_base/divide_round_gn/moz.build third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
index 5946a30db45f..1212206025b7 100644
--- third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
+++ third_party/libwebrtc/rtc_base/divide_round_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("divide_round_gn")
diff --git third_party/libwebrtc/rtc_base/dscp_gn/moz.build third_party/libwebrtc/rtc_base/dscp_gn/moz.build
index fd82b23b98e3..e83d2e34dc26 100644
--- third_party/libwebrtc/rtc_base/dscp_gn/moz.build
+++ third_party/libwebrtc/rtc_base/dscp_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/bandwidth_quality_scaler_settings_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("dscp_gn")
diff --git third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
index 2ea470772f4b..1235e95439b9 100644
--- third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/event_tracer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/cpu_speed_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("event_tracer_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
index 09174a3a20ab..f906bc9cd246 100644
--- third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/alr_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("alr_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
index 233c203847c4..0142ed0457e9 100644
--- third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/balanced_degradation_settings_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("balanced_degradation_settings_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
index 9866a74964c7..a09edc6dce96 100644
--- third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/encoder_info_settings_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("encoder_info_settings_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
index 520c4db65a2b..00eca302cf45 100644
--- third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/field_trial_parser_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -46,185 +56,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("field_trial_parser_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
index 397f0dd3ce6f..42e0bfc0b541 100644
--- third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("keyframe_interval_settings_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
index 5cd3bb4a2bf0..09ebf5322ea7 100644
--- third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/min_video_bitrate_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("min_video_bitrate_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
index 9c3e585bf972..89f9af863d4a 100644
--- third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/normalize_simulcast_size_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("normalize_simulcast_size_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
index d1b4330a18db..de18961b8154 100644
--- third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("quality_scaler_settings_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
index 8e75fbc3b032..79fc2e93ba33 100644
--- third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/quality_scaling_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("quality_scaling_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
index 0051ac37f9e8..fe9271425d64 100644
--- third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/rate_control_settings_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rate_control_settings_gn")
diff --git third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
index 2c239310fc08..5e98394eef8b 100644
--- third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
+++ third_party/libwebrtc/rtc_base/experiments/stable_target_rate_experiment_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("stable_target_rate_experiment_gn")
diff --git third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
index 87a5e335eb06..ba58d3df2494 100644
--- third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
+++ third_party/libwebrtc/rtc_base/frequency_tracker_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("frequency_tracker_gn")
diff --git third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
index 03bb1071f60c..6e5808f68281 100644
--- third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
+++ third_party/libwebrtc/rtc_base/gtest_prod_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("histogram_percentile_counter_gn")
diff --git third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
deleted file mode 100644
index d89873bf7483..000000000000
--- third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
+++ /dev/null
@@ -1,95 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-
-    DEFINES["_GNU_SOURCE"] = True
-  ### DO NOT edit it by hand.                                       ###
-
-COMPILE_FLAGS["OS_INCLUDES"] = []
-AllowCompilerWarnings()
-
-DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
-DEFINES["ANDROID"] = True
-DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-DEFINES["HAVE_SYS_UIO_H"] = True
-DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
-DEFINES["RTC_ENABLE_VP9"] = True
-DEFINES["WEBRTC_ANDROID"] = True
-DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
-DEFINES["WEBRTC_LIBRARY_IMPL"] = True
-DEFINES["WEBRTC_LINUX"] = True
-DEFINES["WEBRTC_MOZILLA_BUILD"] = True
-DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
-DEFINES["WEBRTC_POSIX"] = True
-DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
-DEFINES["_GNU_SOURCE"] = True
-DEFINES["__STDC_CONSTANT_MACROS"] = True
-DEFINES["__STDC_FORMAT_MACROS"] = True
-
-FINAL_LIBRARY = "xul"
-
-
-LOCAL_INCLUDES += [
-    "!/ipc/ipdl/_ipdlheaders",
-    "!/third_party/libwebrtc/gen",
-    "/ipc/chromium/src",
-    "/third_party/libwebrtc/",
-    "/third_party/libwebrtc/third_party/abseil-cpp/",
-    "/tools/profiler/public"
-]
-
-OS_LIBS += [
-    "GLESv2",
-    "log"
-]
-
-UNIFIED_SOURCES += [
-    "/third_party/libwebrtc/rtc_base/ifaddrs_android.cc"
-]
-
-if not CONFIG["MOZ_DEBUG"]:
-
-    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
-    DEFINES["NDEBUG"] = True
-    DEFINES["NVALGRIND"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1":
-
-    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["WEBRTC_ARCH_ARM64"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["TARGET_CPU"] == "x86":
-
-    CXXFLAGS += [
-        "-msse2"
-    ]
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("gtest_prod_gn")
diff --git third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
index 3f7a2c1ffa1f..042fc6088182 100644
--- third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/histogram_percentile_counter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("histogram_percentile_counter_gn")
diff --git third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
deleted file mode 100644
index d89873bf7483..000000000000
--- third_party/libwebrtc/rtc_base/ifaddrs_android_gn/moz.build
+++ /dev/null
@@ -1,95 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-
-  ### This moz.build was AUTOMATICALLY GENERATED from a GN config,  ###
-  ### DO NOT edit it by hand.                                       ###
-
-COMPILE_FLAGS["OS_INCLUDES"] = []
-AllowCompilerWarnings()
-
-DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
-DEFINES["ANDROID"] = True
-DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-DEFINES["HAVE_SYS_UIO_H"] = True
-DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
-DEFINES["RTC_ENABLE_VP9"] = True
-DEFINES["WEBRTC_ANDROID"] = True
-DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
-DEFINES["WEBRTC_LIBRARY_IMPL"] = True
-DEFINES["WEBRTC_LINUX"] = True
-DEFINES["WEBRTC_MOZILLA_BUILD"] = True
-DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
-DEFINES["WEBRTC_POSIX"] = True
-DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
-DEFINES["_GNU_SOURCE"] = True
-DEFINES["__STDC_CONSTANT_MACROS"] = True
-DEFINES["__STDC_FORMAT_MACROS"] = True
-
-FINAL_LIBRARY = "xul"
-
-
-LOCAL_INCLUDES += [
-    "!/ipc/ipdl/_ipdlheaders",
-    "!/third_party/libwebrtc/gen",
-    "/ipc/chromium/src",
-    "/third_party/libwebrtc/",
-    "/third_party/libwebrtc/third_party/abseil-cpp/",
-    "/tools/profiler/public"
-]
-
-OS_LIBS += [
-    "GLESv2",
-    "log"
-]
-
-UNIFIED_SOURCES += [
-    "/third_party/libwebrtc/rtc_base/ifaddrs_android.cc"
-]
-
-if not CONFIG["MOZ_DEBUG"]:
-
-    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "0"
-    DEFINES["NDEBUG"] = True
-    DEFINES["NVALGRIND"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1":
-
-    DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["WEBRTC_ARCH_ARM64"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["TARGET_CPU"] == "x86":
-
-    CXXFLAGS += [
-        "-msse2"
-    ]
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-Library("ifaddrs_android_gn")
diff --git third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
index 06009fc8668e..4f9eacbcf8a7 100644
--- third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
+++ third_party/libwebrtc/rtc_base/ignore_wundef_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("ignore_wundef_gn")
diff --git third_party/libwebrtc/rtc_base/ip_address_gn/moz.build third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
index c2f9eb412bca..df8f9503cb8a 100644
--- third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
+++ third_party/libwebrtc/rtc_base/ip_address_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32"
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("ip_address_gn")
diff --git third_party/libwebrtc/rtc_base/logging_gn/moz.build third_party/libwebrtc/rtc_base/logging_gn/moz.build
index 2b47ed986c72..191af40a1a3f 100644
--- third_party/libwebrtc/rtc_base/logging_gn/moz.build
+++ third_party/libwebrtc/rtc_base/logging_gn/moz.build
@@ -12,12 +12,22 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
 DEFINES["WEBRTC_APM_DEBUG_DUMP"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"

 
 FINAL_LIBRARY = "xul"
 
@@ -44,185 +54,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("logging_gn")
diff --git third_party/libwebrtc/rtc_base/macromagic_gn/moz.build third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
index 7a54f6369568..ae2eb48d37a1 100644
--- third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
+++ third_party/libwebrtc/rtc_base/macromagic_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("macromagic_gn")
diff --git third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
index 06a17077bb82..21d3404240cd 100644
--- third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
+++ third_party/libwebrtc/rtc_base/memory/aligned_malloc_gn/moz.build
+++ third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("aligned_malloc_gn")
diff --git third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
index ea25143a15aa..da34908795f0 100644
--- third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
+++ third_party/libwebrtc/rtc_base/mod_ops_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("mod_ops_gn")
diff --git third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
index 967e6e28ba29..60644d006ab2 100644
--- third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/moving_max_counter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("moving_max_counter_gn")
diff --git third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
index 7c0cfcf806a7..2b89135329e6 100644
--- third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
+++ third_party/libwebrtc/rtc_base/net_helpers_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network/ecn_marking_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("net_helpers_gn")
diff --git third_party/libwebrtc/rtc_base/network/ecn_marking_gn/moz.build third_party/libwebrtc/rtc_base/network/ecn_marking_gn/moz.build
index 9fb05f529e15..2c7aeb42782b 100644
--- third_party/libwebrtc/rtc_base/network/ecn_marking_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network/ecn_marking_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("ecn_marking_gn")
diff --git third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
index 604cb9a5e8c8..63df6c684225 100644
--- third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network/sent_packet_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,174 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("sent_packet_gn")
diff --git third_party/libwebrtc/rtc_base/network_constants_gn/moz.build third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
index eacf18519786..848db7fed53a 100644
--- third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network_constants_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("network_constants_gn")
diff --git third_party/libwebrtc/rtc_base/network_route_gn/moz.build third_party/libwebrtc/rtc_base/network_route_gn/moz.build
index 2ae8cf3c3837..c32e0473a011 100644
--- third_party/libwebrtc/rtc_base/network_route_gn/moz.build
+++ third_party/libwebrtc/rtc_base/network_route_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("network_route_gn")
diff --git third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
index da5eb5b49753..dd528ef3830e 100644
--- third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
+++ third_party/libwebrtc/rtc_base/null_socket_server_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("null_socket_server_gn")
diff --git third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
index 4de80444bef4..7d101ac9cbe4 100644
--- third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
+++ third_party/libwebrtc/rtc_base/one_time_event_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("one_time_event_gn")
diff --git third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
index 8c259b6765c4..4632206d50e3 100644
--- third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
+++ third_party/libwebrtc/rtc_base/platform_thread_gn/moz.build
+++ third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("platform_thread_gn")
diff --git third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
index 09d6147ce17d..7ed2f4dad2ac 100644
--- third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
+++ third_party/libwebrtc/rtc_base/platform_thread_types_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("platform_thread_types_gn")
diff --git third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
index c2b0d4ce2f3a..e926b3f5ca8f 100644
--- third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
+++ third_party/libwebrtc/rtc_base/protobuf_utils_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("protobuf_utils_gn")
diff --git third_party/libwebrtc/rtc_base/race_checker_gn/moz.build third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
index 1fef37a2babc..74fad97cb21c 100644
--- third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
+++ third_party/libwebrtc/rtc_base/race_checker_gn/moz.build
+++ third_party/libwebrtc/rtc_base/random_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("race_checker_gn")
diff --git third_party/libwebrtc/rtc_base/random_gn/moz.build third_party/libwebrtc/rtc_base/random_gn/moz.build
index 6c9b369317a5..1046794552e2 100644
--- third_party/libwebrtc/rtc_base/random_gn/moz.build
+++ third_party/libwebrtc/rtc_base/random_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("random_gn")
diff --git third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
index 586fc513dc7e..64b9286d41ca 100644
--- third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rate_limiter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,189 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rate_limiter_gn")
diff --git third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
index 76d4f9d980ae..64ffc5e8413b 100644
--- third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rate_statistics_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rate_statistics_gn")
diff --git third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
index c381e91cdc55..0a743006bcf0 100644
--- third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rate_tracker_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rate_tracker_gn")
diff --git third_party/libwebrtc/rtc_base/refcount_gn/moz.build third_party/libwebrtc/rtc_base/refcount_gn/moz.build
index 4059c66e7135..ab2a71dd87dc 100644
--- third_party/libwebrtc/rtc_base/refcount_gn/moz.build
+++ third_party/libwebrtc/rtc_base/refcount_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("refcount_gn")
diff --git third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
index c8e14d5996e0..07964d2b4972 100644
--- third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rolling_accumulator_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("rolling_accumulator_gn")
diff --git third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
index a1b2840da3ea..6279462eabf7 100644
--- third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rtc_event_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtc_event_gn")
diff --git third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
index 6bcce7ecf591..0127c502b6f6 100644
--- third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
+++ third_party/libwebrtc/rtc_base/rtc_numerics_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -45,178 +55,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("rtc_numerics_gn")
diff --git third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
index 1e381892f367..8fc4c2183d80 100644
--- third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
+++ third_party/libwebrtc/rtc_base/safe_compare_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("safe_compare_gn")
diff --git third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
index f409a3834780..3ba803fa49d4 100644
--- third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
+++ third_party/libwebrtc/rtc_base/safe_conversions_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("safe_conversions_gn")
diff --git third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
index 31299792ebeb..a03b4cdd095d 100644
--- third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
+++ third_party/libwebrtc/rtc_base/safe_minmax_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,111 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -153,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("safe_minmax_gn")
diff --git third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
index 0657de77c15b..fc147e94f56f 100644
--- third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/sample_counter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("sample_counter_gn")
diff --git third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
index dcdcffdd8ef4..fb6cf9adbb71 100644
--- third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
+++ third_party/libwebrtc/rtc_base/sanitizer_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("sanitizer_gn")
diff --git third_party/libwebrtc/rtc_base/socket_address_gn/moz.build third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
index 2e5c00378acd..78d31c99625b 100644
--- third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_address_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("socket_address_gn")
diff --git third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
index 572b2f62b08c..23ceff9330b2 100644
--- third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_factory_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,119 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -161,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
-
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
 
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("socket_factory_gn")
diff --git third_party/libwebrtc/rtc_base/socket_gn/moz.build third_party/libwebrtc/rtc_base/socket_gn/moz.build
index 4b08aeb0de91..d8dcd1ca715e 100644
--- third_party/libwebrtc/rtc_base/socket_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,186 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True

 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True

-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True

-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("socket_gn")
diff --git third_party/libwebrtc/rtc_base/socket_server_gn/moz.build third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
index d4654af6fc1f..265a05693776 100644
--- third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
+++ third_party/libwebrtc/rtc_base/socket_server_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,119 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "GLESv2",
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":

 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -161,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 

-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("socket_server_gn")
diff --git third_party/libwebrtc/rtc_base/ssl_adapter_gn/moz.build third_party/libwebrtc/rtc_base/ssl_adapter_gn/moz.build
index 66251b8e86a1..a920e0e0e95b 100644
--- third_party/libwebrtc/rtc_base/ssl_adapter_gn/moz.build
+++ third_party/libwebrtc/rtc_base/ssl_adapter_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -39,107 +49,17 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
@@ -149,50 +69,8 @@ if CONFIG["TARGET_CPU"] == "x86_64":
 
     DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
     DEFINES["USE_X11"] = "1"
 
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
 Library("ssl_adapter_gn")
diff --git third_party/libwebrtc/rtc_base/stringutils_gn/moz.build third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
index 5016b4fce059..44112c834b87 100644
--- third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
+++ third_party/libwebrtc/rtc_base/stringutils_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -47,178 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True

 
 FINAL_LIBRARY = "xul"
 
@@ -43,185 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("field_trial_gn")
diff --git third_party/libwebrtc/system_wrappers/metrics_gn/moz.build third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
index 2347fbcbacf5..31a75cc714e1 100644
--- third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
+++ third_party/libwebrtc/system_wrappers/metrics_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -43,178 +53,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("metrics_gn")
diff --git third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
index 161fe336d913..ade9b1212194 100644
--- third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
+++ third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -47,199 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    LOCAL_INCLUDES += [
-        "/config/external/nspr/",
-        "/nsprpub/lib/ds/",
-        "/nsprpub/pr/include/"
-    ]
-
-    OS_LIBS += [
-        "log"
-    ]

-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/system_wrappers/source/cpu_features_linux.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("system_wrappers_gn")
diff --git third_party/libwebrtc/test/network/simulated_network_gn/moz.build third_party/libwebrtc/test/network/simulated_network_gn/moz.build
index 26939945bfb9..bda1c894e9e1 100644
--- third_party/libwebrtc/test/network/simulated_network_gn/moz.build
+++ third_party/libwebrtc/test/network/simulated_network_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True

-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("simulated_network_gn")
diff --git third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
index 161fe336d913..ade9b1212194 100644
--- third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
+++ third_party/libwebrtc/system_wrappers/system_wrappers_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()
 DEFINES["ABSL_ALLOCATOR_NOTHROW"] = "1"
 DEFINES["RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY"] = True
 DEFINES["RTC_ENABLE_VP9"] = True
+DEFINES["USE_GLIB"] = "1"
+DEFINES["USE_OZONE"] = "1"
+DEFINES["WEBRTC_BSD"] = True
+DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
 DEFINES["WEBRTC_ENABLE_PROTOBUF"] = "0"
 DEFINES["WEBRTC_LIBRARY_IMPL"] = True
 DEFINES["WEBRTC_MOZILLA_BUILD"] = True
 DEFINES["WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS"] = "0"
+DEFINES["WEBRTC_POSIX"] = True
 DEFINES["WEBRTC_STRICT_FIELD_TRIALS"] = "0"
+DEFINES["_FILE_OFFSET_BITS"] = "64"
+DEFINES["_LARGEFILE64_SOURCE"] = True
+DEFINES["_LARGEFILE_SOURCE"] = True
+DEFINES["__STDC_CONSTANT_MACROS"] = True
+DEFINES["__STDC_FORMAT_MACROS"] = True
 
 FINAL_LIBRARY = "xul"
 
@@ -47,199 +57,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["ANDROID"] = True
-    DEFINES["ANDROID_NDK_VERSION_ROLL"] = "r22_1"
-    DEFINES["HAVE_SYS_UIO_H"] = True
-    DEFINES["WEBRTC_ANDROID"] = True
-    DEFINES["WEBRTC_ANDROID_OPENSLES"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_GNU_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    LOCAL_INCLUDES += [
-        "/config/external/nspr/",
-        "/nsprpub/lib/ds/",
-        "/nsprpub/pr/include/"
-    ]
-
-    OS_LIBS += [
-        "log"
-    ]
-
-if CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["WEBRTC_MAC"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_LIBCPP_HAS_NO_ALIGNED_ALLOCATION"] = True
-    DEFINES["__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES"] = "0"
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_NSS_CERTS"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_UDEV"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_LINUX"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-    OS_LIBS += [
-        "rt"
-    ]
-
-    UNIFIED_SOURCES += [
-        "/third_party/libwebrtc/system_wrappers/source/cpu_features_linux.cc"
-    ]
-
-if CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["USE_GLIB"] = "1"
-    DEFINES["USE_OZONE"] = "1"
-    DEFINES["USE_X11"] = "1"
-    DEFINES["WEBRTC_BSD"] = True
-    DEFINES["WEBRTC_ENABLE_LIBEVENT"] = True
-    DEFINES["WEBRTC_POSIX"] = True
-    DEFINES["_FILE_OFFSET_BITS"] = "64"
-    DEFINES["_LARGEFILE64_SOURCE"] = True
-    DEFINES["_LARGEFILE_SOURCE"] = True
-    DEFINES["__STDC_CONSTANT_MACROS"] = True
-    DEFINES["__STDC_FORMAT_MACROS"] = True
-
-if CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["CERT_CHAIN_PARA_HAS_EXTRA_FIELDS"] = True
-    DEFINES["NOMINMAX"] = True
-    DEFINES["NTDDI_VERSION"] = "0x0A000000"
-    DEFINES["PSAPI_VERSION"] = "2"
-    DEFINES["RTC_ENABLE_WIN_WGC"] = True
-    DEFINES["UNICODE"] = True
-    DEFINES["USE_AURA"] = "1"
-    DEFINES["WEBRTC_WIN"] = True
-    DEFINES["WIN32"] = True
-    DEFINES["WIN32_LEAN_AND_MEAN"] = True
-    DEFINES["WINAPI_FAMILY"] = "WINAPI_FAMILY_DESKTOP_APP"
-    DEFINES["WINVER"] = "0x0A00"
-    DEFINES["_ATL_NO_OPENGL"] = True
-    DEFINES["_CRT_RAND_S"] = True
-    DEFINES["_CRT_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_ENABLE_EXTENDED_ALIGNED_STORAGE"] = True
-    DEFINES["_HAS_EXCEPTIONS"] = "0"
-    DEFINES["_HAS_NODISCARD"] = True
-    DEFINES["_SCL_SECURE_NO_DEPRECATE"] = True
-    DEFINES["_SECURE_ATL"] = True
-    DEFINES["_UNICODE"] = True
-    DEFINES["_WIN32_WINNT"] = "0x0A00"
-    DEFINES["_WINDOWS"] = True
-    DEFINES["__STD_C"] = True
-
-    OS_LIBS += [
-        "crypt32",
-        "iphlpapi",
-        "secur32",
-        "winmm"
-    ]
+    DEFINES["_DEBUG"] = True
 
 if CONFIG["TARGET_CPU"] == "aarch64":
 
     DEFINES["WEBRTC_ARCH_ARM64"] = True
     DEFINES["WEBRTC_HAS_NEON"] = True
 
-if CONFIG["TARGET_CPU"] == "arm":
-
-    CXXFLAGS += [
-        "-mfpu=neon"
-    ]
-
-    DEFINES["WEBRTC_ARCH_ARM"] = True
-    DEFINES["WEBRTC_ARCH_ARM_V7"] = True
-    DEFINES["WEBRTC_HAS_NEON"] = True
-
 if CONFIG["TARGET_CPU"] == "mips32":
 
     DEFINES["MIPS32_LE"] = True
     DEFINES["MIPS_FPU_LE"] = True
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["TARGET_CPU"] == "mips64":
-
-    DEFINES["_GNU_SOURCE"] = True
 
 if CONFIG["TARGET_CPU"] == "x86":
 
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["TARGET_CPU"] == "x86_64":
-
-    DEFINES["WEBRTC_ENABLE_AVX2"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Android":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Darwin":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "OpenBSD":
-
-    DEFINES["_DEBUG"] = True
-
-if CONFIG["MOZ_DEBUG"] == "1" and CONFIG["OS_TARGET"] == "WINNT":
-
-    DEFINES["_HAS_ITERATOR_DEBUGGING"] = "0"
-
-if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
-
-    DEFINES["USE_X11"] = "1"
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "arm":
-
-    OS_LIBS += [
-        "unwind"
-    ]
-
-if CONFIG["OS_TARGET"] == "Android" and CONFIG["TARGET_CPU"] == "x86":
-
     CXXFLAGS += [
         "-msse2"
     ]
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "aarch64":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "arm":
-
-    DEFINES["_GNU_SOURCE"] = True
-
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86":
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-    CXXFLAGS += [
-        "-msse2"
-    ]
+if CONFIG["TARGET_CPU"] == "x86_64":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["WEBRTC_ENABLE_AVX2"] = True
 
-if CONFIG["OS_TARGET"] == "Linux" and CONFIG["TARGET_CPU"] == "x86_64":
+if CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "FreeBSD":
 
-    DEFINES["_GNU_SOURCE"] = True
+    DEFINES["USE_X11"] = "1"
 
 Library("system_wrappers_gn")
diff --git third_party/libwebrtc/test/rtp_test_utils_gn/moz.build third_party/libwebrtc/test/rtp_test_utils_gn/moz.build
index 5a0d4a3984ef..020143107080 100644
--- third_party/libwebrtc/test/rtp_test_utils_gn/moz.build

 
 Library("rnn_vad_gn")
diff --git third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
index 54334034a290..771396806039 100644
--- third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
+++ third_party/libwebrtc/video/adaptation/video_adaptation_gn/moz.build
@@ -12,11 +12,21 @@ AllowCompilerWarnings()

 
 FINAL_LIBRARY = "xul"
 
@@ -51,190 +61,32 @@ if not CONFIG["MOZ_DEBUG"]:
 if CONFIG["MOZ_DEBUG"] == "1":
 
     DEFINES["DYNAMIC_ANNOTATIONS_ENABLED"] = "1"
- 

Return to bug 281985

Lines 1-7 Link Here

(-)b/www/librewolf/Makefile (-12 / +11 lines)
1	PORTNAME= librewolf	1	PORTNAME= librewolf
2	DISTVERSION= 129.0	2	DISTVERSION= 131.0.2
3	DISTVERSIONSUFFIX= -1.source	3	DISTVERSIONSUFFIX= -1.source
4	PORTREVISION= 2
5	CATEGORIES= www wayland	4	CATEGORIES= www wayland
6	MASTER_SITES= https://gitlab.com/api/v4/projects/32320088/packages/generic/${PORTNAME}-source/${DISTVERSION}-1/	5	MASTER_SITES= https://gitlab.com/api/v4/projects/32320088/packages/generic/${PORTNAME}-source/${DISTVERSION}-1/
7		6
Lines 13-26 LICENSE= MPL20 Link Here
13	LICENSE_FILE= ${WRKSRC}/LICENSE	12	LICENSE_FILE= ${WRKSRC}/LICENSE
14		13
15	BUILD_DEPENDS= nspr>=4.32:devel/nspr \	14	BUILD_DEPENDS= nspr>=4.32:devel/nspr \
16	nss>=3.101:security/nss \	15	nss>=3.104:security/nss \
17	icu>=73.1:devel/icu \	16	icu>=73.1:devel/icu \
18	libevent>=2.1.8:devel/libevent \	17	libevent>=2.1.8:devel/libevent \
19	harfbuzz>=8.5.0:print/harfbuzz \	18	harfbuzz>=9.0.0:print/harfbuzz \
20	graphite2>=1.3.14:graphics/graphite2 \	19	graphite2>=1.3.14:graphics/graphite2 \
21	png>=1.6.43:graphics/png \	20	png>=1.6.43:graphics/png \
22	dav1d>=1.0.0:multimedia/dav1d \	21	dav1d>=1.0.0:multimedia/dav1d \
23	libvpx>=1.14.0:multimedia/libvpx \	22	libvpx>=1.14.1:multimedia/libvpx \
24	${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \	23	${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
25	v4l_compat>0:multimedia/v4l_compat \	24	v4l_compat>0:multimedia/v4l_compat \
26	autoconf2.13:devel/autoconf2.13 \	25	autoconf2.13:devel/autoconf2.13 \
Lines 66-72 MOZ_OPTIONS= --enable-application=browser \ Link Here
66		65
67	FIREFOX_ICON= ${MOZILLA}.png	66	FIREFOX_ICON= ${MOZILLA}.png
68	FIREFOX_ICON_SRC= ${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default48.png	67	FIREFOX_ICON_SRC= ${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default48.png
69	FIREFOX_DESKTOP= ${MOZSRC}/taskcluster/docker/firefox-snap/firefox.desktop
70		68
71	.include "${.CURDIR}/../../www/firefox/Makefile.options"	69	.include "${.CURDIR}/../../www/firefox/Makefile.options"
72		70
Lines 86-103 BUILD_DEPENDS+= ${LOCALBASE}/share/wasi-sysroot/lib/wasm32-wasi/libc++abi.a:deve Link Here
86	MOZ_OPTIONS+= --with-wasi-sysroot=${LOCALBASE}/share/wasi-sysroot	84	MOZ_OPTIONS+= --with-wasi-sysroot=${LOCALBASE}/share/wasi-sysroot
87	.endif	85	.endif
88		86
		87	post-extract:
		88	@${SED} -e 's\|@FIREFOX_ICON@\|${FIREFOX_ICON:R}\|;s\|@MOZILLA@\|${MOZILLA}\|' \
		89	${FILESDIR}/firefox.desktop.in > ${WRKDIR}/${MOZILLA_EXEC_NAME}.desktop
		90
89	post-patch:	91	post-patch:
90	@${REINPLACE_CMD} -e 's/%u/%U/' -e '/X-MultipleArgs/d' \
91	-e 's/firefox/${MOZILLA}/' \
92	-e 's/Firefox/${MOZILLA_CAP}/' \
93	-e '/^Icon/s/=.*/=${FIREFOX_ICON:R}/' \
94	${FIREFOX_DESKTOP}
95	@${REINPLACE_CMD} -e 's\|%%LOCALBASE%%\|${LOCALBASE}\|g' \	92	@${REINPLACE_CMD} -e 's\|%%LOCALBASE%%\|${LOCALBASE}\|g' \
96	${WRKSRC}/browser/app/nsBrowserApp.cpp	93	${WRKSRC}/browser/app/nsBrowserApp.cpp
97	@${RM} ${WRKSRC}/mozconfig	94	@${RM} ${WRKSRC}/mozconfig
		95	@${REINPLACE_CMD} -e 's\|%%LOCALBASE%%\|${LOCALBASE}\|g' \
		96	${WRKSRC}/browser/app/nsBrowserApp.cpp
98		97
99	post-install:	98	post-install:
100	${INSTALL_DATA} ${FIREFOX_DESKTOP} ${STAGEDIR}${PREFIX}/share/applications/${MOZILLA}.desktop	99	${INSTALL_DATA} ${WRKDIR}/${MOZILLA_EXEC_NAME}.desktop ${STAGEDIR}${PREFIX}/share/applications
101	${MKDIR} ${STAGEDIR}${PREFIX}/share/pixmaps	100	${MKDIR} ${STAGEDIR}${PREFIX}/share/pixmaps
102	${LN} -sf ${FIREFOX_ICON_SRC} ${STAGEDIR}${PREFIX}/share/pixmaps/${FIREFOX_ICON}	101	${LN} -sf ${FIREFOX_ICON_SRC} ${STAGEDIR}${PREFIX}/share/pixmaps/${FIREFOX_ICON}
103		102

Added Link Here

(-)b/www/librewolf/files/firefox.desktop.in (+218 lines)
1	[Desktop Entry]
2	Version=1.0
3	Name=Firefox Web Browser
4	Name[ar]=متصفح الويب فَيَرفُكْس
5	Name[ast]=Restolador web Firefox
6	Name[bn]=ফায়ারফক্স ওয়েব ব্রাউজার
7	Name[ca]=Navegador web Firefox
8	Name[cs]=Firefox Webový prohlížeč
9	Name[da]=Firefox - internetbrowser
10	Name[el]=Περιηγητής Firefox
11	Name[es]=Navegador web Firefox
12	Name[et]=Firefoxi veebibrauser
13	Name[fa]=مرورگر اینترنتی Firefox
14	Name[fi]=Firefox-selain
15	Name[fr]=Navigateur Web Firefox
16	Name[gl]=Navegador web Firefox
17	Name[he]=דפדפן האינטרנט Firefox
18	Name[hr]=Firefox web preglednik
19	Name[hu]=Firefox webböngésző
20	Name[it]=Firefox Browser Web
21	Name[ja]=Firefox ウェブ・ブラウザ
22	Name[ko]=Firefox 웹 브라우저
23	Name[ku]=Geroka torê Firefox
24	Name[lt]=Firefox interneto naršyklė
25	Name[nb]=Firefox Nettleser
26	Name[nl]=Firefox webbrowser
27	Name[nn]=Firefox Nettlesar
28	Name[no]=Firefox Nettleser
29	Name[pl]=Przeglądarka WWW Firefox
30	Name[pt]=Firefox Navegador Web
31	Name[pt_BR]=Navegador Web Firefox
32	Name[ro]=Firefox – Navigator Internet
33	Name[ru]=Веб-браузер Firefox
34	Name[sk]=Firefox - internetový prehliadač
35	Name[sl]=Firefox spletni brskalnik
36	Name[sv]=Firefox webbläsare
37	Name[tr]=Firefox Web Tarayıcısı
38	Name[ug]=Firefox توركۆرگۈ
39	Name[uk]=Веб-браузер Firefox
40	Name[vi]=Trình duyệt web Firefox
41	Name[zh_CN]=Firefox 网络浏览器
42	Name[zh_TW]=Firefox 網路瀏覽器
43	Comment=Browse the World Wide Web
44	Comment[ar]=تصفح الشبكة العنكبوتية العالمية
45	Comment[ast]=Restola pela Rede
46	Comment[bn]=ইন্টারনেট ব্রাউজ করুন
47	Comment[ca]=Navegueu per la web
48	Comment[cs]=Prohlížení stránek World Wide Webu
49	Comment[da]=Surf på internettet
50	Comment[de]=Im Internet surfen
51	Comment[el]=Μπορείτε να περιηγηθείτε στο διαδίκτυο (Web)
52	Comment[es]=Navegue por la web
53	Comment[et]=Lehitse veebi
54	Comment[fa]=صفحات شبکه جهانی اینترنت را مرور نمایید
55	Comment[fi]=Selaa Internetin WWW-sivuja
56	Comment[fr]=Naviguer sur le Web
57	Comment[gl]=Navegar pola rede
58	Comment[he]=גלישה ברחבי האינטרנט
59	Comment[hr]=Pretražite web
60	Comment[hu]=A világháló böngészése
61	Comment[it]=Esplora il web
62	Comment[ja]=ウェブを閲覧します
63	Comment[ko]=웹을 돌아 다닙니다
64	Comment[ku]=Li torê bigere
65	Comment[lt]=Naršykite internete
66	Comment[nb]=Surf på nettet
67	Comment[nl]=Verken het internet
68	Comment[nn]=Surf på nettet
69	Comment[no]=Surf på nettet
70	Comment[pl]=Przeglądanie stron WWW
71	Comment[pt]=Navegue na Internet
72	Comment[pt_BR]=Navegue na Internet
73	Comment[ro]=Navigați pe Internet
74	Comment[ru]=Доступ в Интернет
75	Comment[sk]=Prehliadanie internetu
76	Comment[sl]=Brskajte po spletu
77	Comment[sv]=Surfa på webben
78	Comment[tr]=İnternet'te Gezinin
79	Comment[ug]=دۇنيادىكى توربەتلەرنى كۆرگىلى بولىدۇ
80	Comment[uk]=Перегляд сторінок Інтернету
81	Comment[vi]=Để duyệt các trang web
82	Comment[zh_CN]=浏览互联网
83	Comment[zh_TW]=瀏覽網際網路
84	GenericName=Web Browser
85	GenericName[ar]=متصفح ويب
86	GenericName[ast]=Restolador Web
87	GenericName[bn]=ওয়েব ব্রাউজার
88	GenericName[ca]=Navegador web
89	GenericName[cs]=Webový prohlížeč
90	GenericName[da]=Webbrowser
91	GenericName[el]=Περιηγητής διαδικτύου
92	GenericName[es]=Navegador web
93	GenericName[et]=Veebibrauser
94	GenericName[fa]=مرورگر اینترنتی
95	GenericName[fi]=WWW-selain
96	GenericName[fr]=Navigateur Web
97	GenericName[gl]=Navegador Web
98	GenericName[he]=דפדפן אינטרנט
99	GenericName[hr]=Web preglednik
100	GenericName[hu]=Webböngésző
101	GenericName[it]=Browser web
102	GenericName[ja]=ウェブ・ブラウザ
103	GenericName[ko]=웹 브라우저
104	GenericName[ku]=Geroka torê
105	GenericName[lt]=Interneto naršyklė
106	GenericName[nb]=Nettleser
107	GenericName[nl]=Webbrowser
108	GenericName[nn]=Nettlesar
109	GenericName[no]=Nettleser
110	GenericName[pl]=Przeglądarka WWW
111	GenericName[pt]=Navegador Web
112	GenericName[pt_BR]=Navegador Web
113	GenericName[ro]=Navigator Internet
114	GenericName[ru]=Веб-браузер
115	GenericName[sk]=Internetový prehliadač
116	GenericName[sl]=Spletni brskalnik
117	GenericName[sv]=Webbläsare
118	GenericName[tr]=Web Tarayıcı
119	GenericName[ug]=توركۆرگۈ
120	GenericName[uk]=Веб-браузер
121	GenericName[vi]=Trình duyệt Web
122	GenericName[zh_CN]=网络浏览器
123	GenericName[zh_TW]=網路瀏覽器
124	Keywords=Internet;WWW;Browser;Web;Explorer
125	Keywords[ar]=انترنت;إنترنت;متصفح;ويب;وب
126	Keywords[ast]=Internet;WWW;Restolador;Web;Esplorador
127	Keywords[ca]=Internet;WWW;Navegador;Web;Explorador;Explorer
128	Keywords[cs]=Internet;WWW;Prohlížeč;Web;Explorer
129	Keywords[da]=Internet;Internettet;WWW;Browser;Browse;Web;Surf;Nettet
130	Keywords[de]=Internet;WWW;Browser;Web;Explorer;Webseite;Site;surfen;online;browsen
131	Keywords[el]=Internet;WWW;Browser;Web;Explorer;Διαδίκτυο;Περιηγητής;Firefox;Φιρεφοχ;Ιντερνετ
132	Keywords[es]=Explorador;Internet;WWW
133	Keywords[fi]=Internet;WWW;Browser;Web;Explorer;selain;Internet-selain;internetselain;verkkoselain;netti;surffaa
134	Keywords[fr]=Internet;WWW;Browser;Web;Explorer;Fureteur;Surfer;Navigateur
135	Keywords[he]=דפדפן;אינטרנט;רשת;אתרים;אתר;פיירפוקס;מוזילה;
136	Keywords[hr]=Internet;WWW;preglednik;Web
137	Keywords[hu]=Internet;WWW;Böngésző;Web;Háló;Net;Explorer
138	Keywords[it]=Internet;WWW;Browser;Web;Navigatore
139	Keywords[is]=Internet;WWW;Vafri;Vefur;Netvafri;Flakk
140	Keywords[ja]=Internet;WWW;Web;インターネット;ブラウザ;ウェブ;エクスプローラ
141	Keywords[nb]=Internett;WWW;Nettleser;Explorer;Web;Browser;Nettside
142	Keywords[nl]=Internet;WWW;Browser;Web;Explorer;Verkenner;Website;Surfen;Online
143	Keywords[pt]=Internet;WWW;Browser;Web;Explorador;Navegador
144	Keywords[pt_BR]=Internet;WWW;Browser;Web;Explorador;Navegador
145	Keywords[ru]=Internet;WWW;Browser;Web;Explorer;интернет;браузер;веб;файрфокс;огнелис
146	Keywords[sk]=Internet;WWW;Prehliadač;Web;Explorer
147	Keywords[sl]=Internet;WWW;Browser;Web;Explorer;Brskalnik;Splet
148	Keywords[tr]=İnternet;WWW;Tarayıcı;Web;Gezgin;Web sitesi;Site;sörf;çevrimiçi;tara
149	Keywords[uk]=Internet;WWW;Browser;Web;Explorer;Інтернет;мережа;переглядач;оглядач;браузер;веб;файрфокс;вогнелис;перегляд
150	Keywords[vi]=Internet;WWW;Browser;Web;Explorer;Trình duyệt;Trang web
151	Keywords[zh_CN]=Internet;WWW;Browser;Web;Explorer;网页;浏览;上网;火狐;Firefox;ff;互联网;网站;
152	Keywords[zh_TW]=Internet;WWW;Browser;Web;Explorer;網際網路;網路;瀏覽器;上網;網頁;火狐
153	Exec=@MOZILLA@ %U
154	Terminal=false
155	Type=Application
156	Icon=@FIREFOX_ICON@
157	Categories=GNOME;GTK;Network;WebBrowser;
158	MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
159	StartupNotify=true
160	Actions=NewWindow;NewPrivateWindow;
161
162	[Desktop Action NewWindow]
163	Name=Open a New Window
164	Name[ar]=افتح نافذة جديدة
165	Name[ast]=Abrir una ventana nueva
166	Name[bn]=Abrir una ventana nueva
167	Name[ca]=Obre una finestra nova
168	Name[cs]=Otevřít nové okno
169	Name[da]=Åbn et nyt vindue
170	Name[de]=Ein neues Fenster öffnen
171	Name[el]=Άνοιγμα νέου παραθύρου
172	Name[es]=Abrir una ventana nueva
173	Name[fi]=Avaa uusi ikkuna
174	Name[fr]=Ouvrir une nouvelle fenêtre
175	Name[gl]=Abrir unha nova xanela
176	Name[he]=פתיחת חלון חדש
177	Name[hr]=Otvori novi prozor
178	Name[hu]=Új ablak nyitása
179	Name[it]=Apri una nuova finestra
180	Name[ja]=新しいウィンドウを開く
181	Name[ko]=새 창 열기
182	Name[ku]=Paceyeke nû veke
183	Name[lt]=Atverti naują langą
184	Name[nb]=Åpne et nytt vindu
185	Name[nl]=Nieuw venster openen
186	Name[pt]=Abrir nova janela
187	Name[pt_BR]=Abrir nova janela
188	Name[ro]=Deschide o fereastră nouă
189	Name[ru]=Новое окно
190	Name[sk]=Otvoriť nové okno
191	Name[sl]=Odpri novo okno
192	Name[sv]=Öppna ett nytt fönster
193	Name[tr]=Yeni pencere aç
194	Name[ug]=يېڭى كۆزنەك ئېچىش
195	Name[uk]=Відкрити нове вікно
196	Name[vi]=Mở cửa sổ mới
197	Name[zh_CN]=新建窗口
198	Name[zh_TW]=開啟新視窗
199	Exec=@MOZILLA@ -new-window
200
201	[Desktop Action NewPrivateWindow]
202	Name=Open a New Private Window
203	Name[ar]=افتح نافذة جديدة للتصفح الخاص
204	Name[ca]=Obre una finestra nova en mode d'incògnit
205	Name[de]=Ein neues privates Fenster öffnen
206	Name[es]=Abrir una ventana privada nueva
207	Name[fi]=Avaa uusi yksityinen ikkuna
208	Name[fr]=Ouvrir une nouvelle fenêtre de navigation privée
209	Name[he]=פתיחת חלון גלישה פרטית חדש
210	Name[hu]=Új privát ablak nyitása
211	Name[it]=Apri una nuova finestra anonima
212	Name[nb]=Åpne et nytt privat vindu
213	Name[ru]=Новое приватное окно
214	Name[sl]=Odpri novo okno zasebnega brskanja
215	Name[tr]=Yeni bir pencere aç
216	Name[uk]=Відкрити нове вікно у потайливому режимі
217	Name[zh_TW]=開啟新隱私瀏覽視窗
218	Exec=@MOZILLA@ -private-window

Removed Link Here

(-)a/www/librewolf/files/patch-gfx_skia_skia_src_core_SkCpu.cpp (-33 lines)
1	Regressed by https://svnweb.freebsd.org/changeset/base/324815
2
3	gfx/skia/skia/src/core/SkCpu.cpp:81:27: error: use of undeclared identifier 'getauxval'
4	uint32_t hwcaps = getauxval(AT_HWCAP);
5	^
6
7	diff --git gfx/skia/skia/src/core/SkCpu.cpp gfx/skia/skia/src/core/SkCpu.cpp
8	index cdac7db2be2c..88391138880a 100644
9	--- gfx/skia/skia/src/core/SkCpu.cpp
10	+++ gfx/skia/skia/src/core/SkCpu.cpp
11	@@ -81,6 +81,22 @@
12	if (hwcap & HWCAP_LOONGARCH_LSX) { features \|= SkCpu::LOONGARCH_SX; }
13	if (hwcap & HWCAP_LOONGARCH_LASX) { features \|= SkCpu::LOONGARCH_ASX; }
14
15	+ return features;
16	+ }
17	+#elif defined(SK_CPU_ARM64) && defined(__FreeBSD__)
18	+ #include <machine/armreg.h>
19	+ #ifndef ID_AA64ISAR0_CRC32_VAL
20	+ #define ID_AA64ISAR0_CRC32_VAL ID_AA64ISAR0_CRC32
21	+ #endif
22	+
23	+ static uint32_t read_cpu_features() {
24	+ uint32_t features = 0;
25	+ uint64_t id_aa64isar0;
26	+
27	+ id_aa64isar0 = READ_SPECIALREG(id_aa64isar0_el1);
28	+ if (ID_AA64ISAR0_CRC32_VAL(id_aa64isar0) == ID_AA64ISAR0_CRC32_BASE) {
29	+ features \|= SkCpu::CRC32;
30	+ }
31	return features;
32	}
33	#else