diff --git a/lib/libclang_rt/compiler-rt-vars.mk b/lib/libclang_rt/compiler-rt-vars.mk
--- a/lib/libclang_rt/compiler-rt-vars.mk
+++ b/lib/libclang_rt/compiler-rt-vars.mk
@@ -8,7 +8,7 @@
     (!defined(CPUTYPE) || ${CPUTYPE:M*soft*} == "")
 CRTARCH?=	armhf
 .else
-CRTARCH?=	${MACHINE_ARCH:S/amd64/x86_64/:C/hf$//:S/mipsn32/mips64/}
+CRTARCH?=	${MACHINE_ARCH:S/amd64/x86_64/:C/hf$//:C/sf$//:S/mipsn32/mips64/}
 .endif
 
 .if ${COMPILER_TYPE} == "clang"