Index: Makefile.inc1
===================================================================
--- Makefile.inc1
+++ Makefile.inc1
@@ -637,7 +637,7 @@
 .elif ${WANT_COMPILER_TYPE} == clang || \
     (defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == clang)
 TARGET_ABI?=	unknown
-TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/:C/hf$//}-${TARGET_ABI}-freebsd12.0
+TARGET_TRIPLE?=	${TARGET_ARCH:C/amd64/x86_64/:C/hf$//:S/mipsn32/mips64/}-${TARGET_ABI}-freebsd12.0
 XCFLAGS+=	-target ${TARGET_TRIPLE}
 .endif
 XCFLAGS+=	--sysroot=${WORLDTMP}