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Fix alloca definition when using gcc on non-gnu systems.

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* configure.in: Use the code sequence indicated by "info autoconf"
for alloca (bug#6170).
This commit is contained in:
Dan Nicolaescu 2010-06-01 19:32:43 -07:00
parent 3aeb940248
commit 8923d6176b
3 changed files with 32 additions and 18 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2010-06-02 Dan Nicolaescu <dann@ics.uci.edu>
Fix alloca definition when using gcc on non-gnu systems.
* configure.in: Use the code sequence indicated by "info autoconf"
for alloca (bug#6170).
2010-05-30 Stefan Monnier <monnier@iro.umontreal.ca>
* .bzrignore: Ignore new files from trunk, which appear if you use

22
configure.in
View file

@ -3604,15 +3604,19 @@ extern char *getenv ();
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifndef __GNUC__
# ifdef HAVE_ALLOCA_H
# include <alloca.h>
# else /* AIX files deal with #pragma. */
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# endif
# endif /* HAVE_ALLOCA_H */
#endif /* __GNUC__ */
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#elif defined __GNUC__
# define alloca __builtin_alloca
#elif defined _AIX
# define alloca __alloca
#else
# include <stddef.h>
# ifdef __cplusplus
extern "C"
# endif
void *alloca (size_t);
#endif
#ifndef HAVE_SIZE_T
typedef unsigned size_t;
#endif

22
src/config.in
View file

@ -1164,15 +1164,19 @@ extern char *getenv ();
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifndef __GNUC__
# ifdef HAVE_ALLOCA_H
# include <alloca.h>
# else /* AIX files deal with #pragma. */
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# endif
# endif /* HAVE_ALLOCA_H */
#endif /* __GNUC__ */
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#elif defined __GNUC__
# define alloca __builtin_alloca
#elif defined _AIX
# define alloca __alloca
#else
# include <stddef.h>
# ifdef __cplusplus
extern "C"
# endif
void *alloca (size_t);
#endif
#ifndef HAVE_SIZE_T
typedef unsigned size_t;
#endif