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merge from gcc

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DJ Delorie 2001-03-06 18:26:32 +00:00
parent bf11a54f54
commit 25ee9ae285
2 changed files with 19 additions and 0 deletions
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5
include/ChangeLog
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@ -1,3 +1,8 @@
2001-03-06 Zack Weinberg <zackw@stanford.edu>
* libiberty.h: Prototype C_alloca; define alloca to either
__builtin_alloca or C_alloca as appropriate.
2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
* safe-ctype.h (_sch_test): Cast enum bit to unsigned short int for pcc

14
include/libiberty.h
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@ -206,6 +206,20 @@ extern int vasprintf PARAMS ((char **, const char *, va_list))
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
/* Drastically simplified alloca configurator. If we're using GCC,
we use __builtin_alloca; otherwise we use the C alloca. The C
alloca is always available. You can override GCC by defining
USE_C_ALLOCA yourself. */
extern PTR C_alloca PARAMS((size_t));
#undef alloca
#if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA
# define alloca(x) __builtin_alloca(x)
#else
# define alloca(x) C_alloca(x)
# undef USE_C_ALLOCA
# define USE_C_ALLOCA 1
#endif
#ifdef __cplusplus
}
#endif