diff --git a/external/gpl3/gcc.old/lib/liblto_plugin/Makefile b/external/gpl3/gcc.old/lib/liblto_plugin/Makefile
index a27c4f407f3a..3fe74e24d84e 100644
--- a/external/gpl3/gcc.old/lib/liblto_plugin/Makefile
+++ b/external/gpl3/gcc.old/lib/liblto_plugin/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.3 2017/07/23 01:12:06 mrg Exp $
+#	$NetBSD: Makefile,v 1.4 2017/11/04 15:59:16 kamil Exp $
 
 .include <bsd.init.mk>
 .include <bsd.shlib.mk>
@@ -31,6 +31,10 @@ LIBDIR=		/usr/libexec
 SHLIB_MAJOR=	0
 SHLIB_MINOR=	0
 
+LIBIBERTYDIR!=	cd ${.CURDIR}/../../lib/libiberty && ${PRINTOBJDIR}
+LDADD+=		-L${LIBIBERTYDIR} -liberty
+DPADD+=		${LIBIBERTYDIR}/libiberty.a
+
 # Yuck, we have to run configure to generate this one...
 CLEANFILES+=	config.h
 HOST_CFLAGS+= -I${.OBJDIR}