Index: Makefile
===================================================================
--- Makefile	(revision 519611)
+++ Makefile	(working copy)
@@ -55,8 +55,9 @@
 BINS=		${DIST}/${OPSYS}${OSREL}_DBG.OBJ
 .endif
 
-.if ${OPSYS} == FreeBSD && ${ARCH} == i386 && ! ${MACHINE_CPU:Msse2}
-USES+=		compiler:c++14-lang # gcm.h
+.if ${ARCH} == powerpc64
+CFLAGS+=	-mvsx
+USES+=		compiler:c++11-lang # -mcrypto -mvsx
 .endif
 
 .if ${OPSYS} == FreeBSD && ${ARCH} == amd64
Index: files/patch-bug1602386
===================================================================
--- files/patch-bug1602386	(nonexistent)
+++ files/patch-bug1602386	(working copy)
@@ -0,0 +1,43 @@
+Fix build on FreeBSD/powerpc platforms.
+
+https://bugzilla.mozilla.org/show_bug.cgi?id=1602386
+
+--- lib/freebl/blinit.c.orig	2019-12-11 11:17:26 UTC
++++ lib/freebl/blinit.c
+@@ -148,7 +148,7 @@ CheckARMSupport()
+     char *disable_pmull = PR_GetEnvSecure("NSS_DISABLE_PMULL");
+ #if defined(__linux__)
+     if (getauxval) {
+-        long hwcaps = getauxval(AT_HWCAP);
++        unsigned long hwcaps = getauxval(AT_HWCAP);
+         arm_aes_support_ = hwcaps & HWCAP_AES && disable_hw_aes == NULL;
+         arm_pmull_support_ = hwcaps & HWCAP_PMULL && disable_pmull == NULL;
+         arm_sha1_support_ = hwcaps & HWCAP_SHA1;
+@@ -289,7 +289,7 @@ CheckARMSupport()
+         // Also, AT_HWCAP2 is supported by glibc 2.18+ on Linux/arm, If
+         // AT_HWCAP2 isn't supported by glibc or Linux kernel, getauxval will
+         // returns 0.
+-        long hwcaps = getauxval(AT_HWCAP2);
++        unsigned long hwcaps = getauxval(AT_HWCAP2);
+         if (!hwcaps) {
+             // Some ARMv8 devices may not implement AT_HWCAP2. So we also
+             // read /proc/cpuinfo if AT_HWCAP2 is 0.
+@@ -407,7 +407,17 @@ CheckPPCSupport()
+ {
+     char *disable_hw_crypto = PR_GetEnvSecure("NSS_DISABLE_PPC_GHASH");
+ 
+-    long hwcaps = getauxval(AT_HWCAP2);
++#if defined(__linux__)
++    unsigned long hwcaps = getauxval(AT_HWCAP2);
++#elif defined(__FreeBSD__)
++    unsigned long hwcaps = 0;
++#  if __FreeBSD__ >= 12
++    elf_aux_info(AT_HWCAP2, &hwcaps, sizeof(hwcaps));
++#  else
++    size_t len = sizeof(hwcaps);
++    sysctlbyname("hw.cpu_features", &hwcaps, &len, NULL, 0);
++#  endif
++#endif
+ 
+     ppc_crypto_support_ = hwcaps & PPC_FEATURE2_VEC_CRYPTO && disable_hw_crypto == NULL;
+ }

Property changes on: files/patch-bug1602386
___________________________________________________________________
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## -0,0 +1 ##
+yes
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+native
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