Commit 6ee373a0 authored by Anthony Liguori's avatar Anthony Liguori Committed by Luiz Capitulino
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compiler: add macro for GCC weak symbols 



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

Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
Signed-off-by: default avatarLuiz Capitulino <lcapitulino@redhat.com>
parent 01d3c80d

compiler.h

+1 −0
Original line number Diff line number Diff line
@@ -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)