diff -ruN devel/psptoolchain-newlib.orig/Makefile devel/psptoolchain-newlib/Makefile
--- devel/psptoolchain-newlib.orig/Makefile	2018-12-05 22:15:06.351072000 +0100
+++ devel/psptoolchain-newlib/Makefile	2018-12-05 22:20:09.948377000 +0100
@@ -23,10 +23,12 @@
 
 USES=			gmake makeinfo
 HAS_CONFIGURE=		yes
-CONFIGURE_ENV=		PATH=${LOCALBASE}/${PSP_GCC_STAGE_PREFIX}/bin:${PATH}
+
+# psp-gcc doesn't need -march=... in CFLAGS (e.g. set by CPUTYPE in make.conf); also need -g on psp for some reason
+CONFIGURE_ENV=		PATH=${LOCALBASE}/${PSP_GCC_STAGE_PREFIX}/bin:${PATH} \
+			CFLAGS="${CFLAGS:C/(^|[[:space:]])-march=[^[:space:]]*//g} -g"
 MAKE_ENV=		PATH=${LOCALBASE}/${PSP_GCC_STAGE_PREFIX}/bin:${PATH}
 CONFIGURE_ARGS=		--prefix=${PREFIX} --target="psp"
-MAKE_ARGS+=		CC="${CC}" CFLAGS="${CFLAGS} -g" # Apparently, it doesn't work on the PSP without debug information
 
 # Disable installation of .info files and fix includedir reference.
 post-patch: