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Don't redefine _FORTIFY_SOURCE macro

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If the _FORTIFY_SOURCE has been already defined, we unconditionally
redefine it, leaving us with warning/error thrown at compilation time.
This commit is contained in:
Michal Privoznik 2013-02-04 14:56:59 +01:00
parent 1648363b85
commit bd84ea26ea
1 changed files with 1 additions and 1 deletions
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acinclude.m4
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@ -46,7 +46,7 @@ AC_DEFUN([VIRT_VIEWER_COMPILE_WARNINGS],[
AH_VERBATIM([FORTIFY_SOURCE],
[/* Enable compile-time and run-time bounds-checking, and some warnings. */
#if defined __OPTIMIZE__ && __OPTIMIZE__
#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
# define _FORTIFY_SOURCE 2
#endif
])