Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile
+++ head/devel/flang/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	flang
 DISTVERSION=	5.0-20171019
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
Index: head/devel/flang/files/flang.in
===================================================================
--- head/devel/flang/files/flang.in
+++ head/devel/flang/files/flang.in
@@ -1,2 +1,10 @@
 #!/bin/sh
-%%PREFIX%%/flang/bin/flang -L%%PREFIX%%/flang/lib -lflang -lflangmain -lflangrti -lompstub -lexecinfo -I%%PREFIX%%/flang/include $@
+FLANG_CFS="-I%%PREFIX%%/flang/include"
+FLANG_LFS="-L%%PREFIX%%/flang/lib -lflang -lflangmain -lflangrti -lompstub -lexecinfo"
+for arg in $@; do
+	case "$arg" in
+	-c|-E) FLANG_LFS="";;
+	esac
+done
+
+exec %%PREFIX%%/flang/bin/flang $FLANG_LFS $FLANG_CFS $@