From 8b8cfa178a2b6b8418cef50cc97b58af70711f19 Mon Sep 17 00:00:00 2001
From: Ian Jackson <iwj@mariner.uk.xensource.com>
Date: Fri, 4 Jul 2008 15:36:11 +0100
Subject: [PATCH] Do not pass -Wno-pointer-sign if not supported

---
 xen-hooks.mak | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/xen-hooks.mak b/xen-hooks.mak
index ec3a1df7..e1894241 100644
--- a/xen-hooks.mak
+++ b/xen-hooks.mak
@@ -10,8 +10,11 @@ endif
 
 QEMU_PROG=qemu-dm
 
-CFLAGS += -Wno-unused -Wno-declaration-after-statement \
- -Wno-pointer-sign
+CFLAGS += -Wno-unused -Wno-declaration-after-statement
+
+ifeq (,$(shell $(CC) -Wno-pointer-sign -E - </dev/null >/dev/null || echo x))
+CFLAGS += -Wno-pointer-sign
+endif 
 
 CFLAGS += $(CMDLINE_CFLAGS)
 
-- 
2.39.5