$NetBSD: patch-xen_Makefile,v 1.1 2017/03/30 09:15:09 bouyer Exp $

--- xen/Makefile.orig	2016-02-09 14:44:19.000000000 +0000
+++ xen/Makefile
@@ -135,7 +135,7 @@ include/xen/compile.h: include/xen/compi
 	    -e 's/@@whoami@@/$(XEN_WHOAMI)/g' \
 	    -e 's/@@domain@@/$(XEN_DOMAIN)/g' \
 	    -e 's/@@hostname@@/$(XEN_BUILD_HOST)/g' \
-	    -e 's!@@compiler@@!$(shell $(CC) $(CFLAGS) --version 2>&1 | head -1)!g' \
+	    -e 's!@@compiler@@!$(shell $(CC) $(EXTRA_CFLAGS) $(CFLAGS) --version 2>&1 | head -1)!g' \
 	    -e 's/@@version@@/$(XEN_VERSION)/g' \
 	    -e 's/@@subversion@@/$(XEN_SUBVERSION)/g' \
 	    -e 's/@@extraversion@@/$(XEN_EXTRAVERSION)/g' \
