diff --git a/sys/conf/Makefile.i386 b/sys/conf/Makefile.i386
--- a/sys/conf/Makefile.i386
+++ b/sys/conf/Makefile.i386
@@ -32,6 +32,13 @@
 
 INCLUDES+= -I$S/contrib/libfdt
 
+.if ${COMPILER_TYPE} == "gcc"
+# GCC requires compiler builtins __divmoddi4, __udivmoddi4,  and __floatundidf
+_LDFLAGS+=	${CC:M--sysroot*} -L=/usr/lib
+SYSTEM_LD= @${SYSTEM_LD_BASECMD} -o ${.TARGET} ${SYSTEM_OBJS} -lcompiler_rt \
+	vers.o
+.endif
+
 %BEFORE_DEPEND
 
 %OBJS