Index: libexec/rtld-elf/i386/Makefile.inc
===================================================================
--- libexec/rtld-elf/i386/Makefile.inc
+++ libexec/rtld-elf/i386/Makefile.inc
@@ -1,3 +1,7 @@
 # $FreeBSD$
 
+.if ${COMPILER_TYPE} == "gcc"
+# GCC 9 requires functions from libcompiler_rt.
+LIBADD+=	compiler_rt
+.endif
 CFLAGS+=	${CFLAGS_NO_SIMD} -msoft-float -fvisibility=hidden