diff --git a/lib/libc/tests/ssp/Makefile b/lib/libc/tests/ssp/Makefile
--- a/lib/libc/tests/ssp/Makefile
+++ b/lib/libc/tests/ssp/Makefile
@@ -30,7 +30,7 @@
 # now on amd64 when it trips the stack bounds specified in t_ssp.sh . This
 # probably needs to be fixed as it's currently hardcoded.
 .if ${COMPILER_TYPE} == "clang" && !defined(_SKIP_BUILD) && \
-    (!defined(_RECURSING_PROGS) || ${PROG} == "h_raw")
+    (!defined(_RECURSING_PROGS) || ${PROG} == "h_raw") && ${MK_TOOLCHAIN} == "yes"
 .include "${SRCTOP}/lib/libclang_rt/compiler-rt-vars.mk"
 _libclang_rt_ubsan=	${SYSROOT}${SANITIZER_LIBDIR}/libclang_rt.ubsan_standalone-${CRTARCH}.a
 .if exists(${_libclang_rt_ubsan})