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Patch from Richard Henderson to fix alpha-linux alloca redefinition problems. 

* alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
	if not already defined, and USE_C_ALLOCA not defined.

From-SVN: r14977
This commit is contained in:
Richard Henderson 1997-08-27 16:50:04 -07:00 committed by Jim Wilson
parent 7818d6fcb2
commit ba64ca335a
2 changed files with 13 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
* alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
if not already defined, and USE_C_ALLOCA not defined.
Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
* config.guess: Replace with script that uses ../config.guess.

10
gcc/config/alpha/xm-alpha.h
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@ -41,12 +41,18 @@ Boston, MA 02111-1307, USA. */
#define SUCCESS_EXIT_CODE 0
#define FATAL_EXIT_CODE 33
/* If not compiled with GNU C, use the builtin alloca. */
#if !defined(__GNUC__) && !defined(_WIN32)
/* If compiled with GNU C, use the builtin alloca. */
#ifndef alloca
#if defined(__GNUC__) && !defined(USE_C_ALLOCA)
#define alloca __builtin_alloca
#else
#if !defined(_WIN32) && !defined(USE_C_ALLOCA)
#include <alloca.h>
#else
extern void *alloca ();
#endif
#endif
#endif
/* The host compiler has problems with enum bitfields since it makes
them signed so we can't fit all our codes in. */