From: Anthony Liguori <aliguori@us.ibm.com>
Date: Fri, 10 Aug 2012 16:04:12 +0000 (-0500)
Subject: compiler: add macro for GCC weak symbols
X-Git-Tag: v1.2.0-rc0~28^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6ee373a0032b8fa6b630c6df9cd6618a7a02902b;p=thirdparty%2Fqemu.git

compiler: add macro for GCC weak symbols

This lets us provide a default implementation of a symbol which targets can
override.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---

diff --git a/compiler.h b/compiler.h
index 736e77075ae..f76921e5b05 100644
--- a/compiler.h
+++ b/compiler.h
@@ -45,6 +45,7 @@
 #  define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2)))
 #  define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
 # endif
+#define GCC_WEAK __attribute__((weak))
 #else
 #define GCC_ATTR /**/
 #define GCC_FMT_ATTR(n, m)