From: Ian Jackson <iwj@mariner.uk.xensource.com>
Date: Fri, 4 Jul 2008 14:36:11 +0000 (+0100)
Subject: Do not pass -Wno-pointer-sign if not supported
X-Git-Tag: xen-3.3.0-rc1~58^2
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=8b8cfa178a2b6b8418cef50cc97b58af70711f19;p=qemu-xen-3.3-testing.git

Do not pass -Wno-pointer-sign if not supported
---

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)