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[libvirt] [PATCH 4/7] 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>
---
 compiler.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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)
-- 
1.7.5.4


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