$NetBSD: patch-xen_Makefile,v 1.1 2015/01/20 16:42:13 bouyer Exp $

--- xen/Makefile.orig	2015-01-12 17:53:24.000000000 +0100
+++ xen/Makefile	2015-01-19 12:29:14.000000000 +0100
@@ -131,7 +131,7 @@
 	    -e 's/@@whoami@@/$(XEN_WHOAMI)/g' \
 	    -e 's/@@domain@@/$(XEN_DOMAIN)/g' \
 	    -e 's/@@hostname@@/$(shell hostname)/g' \
-	    -e 's!@@compiler@@!$(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' \