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[BZ #1438]

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2005-10-07  Roland McGrath  <roland@redhat.com>
	[BZ #1438]
	* include/features.h: Make tests on _FORTIFY_SOURCE and __OPTIMIZE__
	friendly to -Wundef.
	(__USE_FORTIFY_LEVEL): Always define it, to 0 if nothing else.
This commit is contained in:
Roland McGrath 2005-10-08 06:27:44 +00:00
parent b3b413967a
commit faa26ad4cf
1 changed files with 7 additions and 4 deletions
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11
include/features.h
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@ -262,12 +262,15 @@
# define __USE_REENTRANT 1
#endif
#if _FORTIFY_SOURCE > 0 && __GNUC_PREREQ (4, 1) && __OPTIMIZE__ > 0
# if _FORTIFY_SOURCE == 1
# define __USE_FORTIFY_LEVEL 1
# elif _FORTIFY_SOURCE > 1
#if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \
&& __GNUC_PREREQ (4, 1) && defined __OPTIMIZE__ && __OPTIMIZE__ > 0
# if _FORTIFY_SOURCE > 1
# define __USE_FORTIFY_LEVEL 2
# else
# define __USE_FORTIFY_LEVEL 1
# endif
#else
# define __USE_FORTIFY_LEVEL 0
#endif
/* We do support the IEC 559 math functionality, real and complex. */