[Qemu-devel] [PATCH 45/48] compiler: add macro for GCC weak symbols

[Luiz Capitulino]

From: Anthony Liguori <address@hidden>

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

Signed-off-by: Anthony Liguori <address@hidden>
Signed-off-by: Luiz Capitulino <address@hidden>
---
 compiler.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler.h b/compiler.h
index 736e770..f76921e 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)
-- 
1.7.11.2.249.g31c7954.dirty