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| author | Bruno Haible <bruno@clisp.org> | 2006-10-20 13:50:26 +0000 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2006-10-20 13:50:26 +0000 |
| commit | 2f4895969d1eb99a897b757c5c55c2b526a8ab06 (patch) | |
| tree | dd5a900a87f088eebbdc421c2912e6bc9cc7ddfb /m4/alloca.m4 | |
| parent | 261c6a58b8a6011552b2074009fd61d9060023b0 (diff) | |
| download | gnulib-2f4895969d1eb99a897b757c5c55c2b526a8ab06.tar.gz | |
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Diffstat (limited to 'm4/alloca.m4')
| -rw-r--r-- | m4/alloca.m4 | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/m4/alloca.m4 b/m4/alloca.m4 index a9e3f452c9..3e70d12a7c 100644 --- a/m4/alloca.m4 +++ b/m4/alloca.m4 @@ -1,5 +1,5 @@ -# alloca.m4 serial 5 -dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +# alloca.m4 serial 6 +dnl Copyright (C) 2002-2004, 2006 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -17,16 +17,21 @@ AC_DEFUN([gl_FUNC_ALLOCA], # Define an additional variable used in the Makefile substitution. if test $ac_cv_working_alloca_h = yes; then - AC_EGREP_CPP([Need own alloca], [ + AC_CACHE_VAL([gl_cv_rpl_alloca], [ + AC_EGREP_CPP([Need own alloca], [ #if defined __GNUC__ || defined _AIX || defined _MSC_VER - Need own alloca + Need own alloca #endif - ], - [AC_DEFINE(HAVE_ALLOCA, 1, - [Define to 1 if you have `alloca' after including <alloca.h>, - a header that may be supplied by this distribution.]) - ALLOCA_H=alloca.h], - [ALLOCA_H=]) + ], [gl_cv_rpl_alloca=yes], [gl_cv_rpl_alloca=no]) + ]) + if test $gl_cv_rpl_alloca = yes; then + AC_DEFINE([HAVE_ALLOCA], 1, + [Define to 1 if you have `alloca' after including <alloca.h>, + a header that may be supplied by this distribution.]) + ALLOCA_H=alloca.h + else + ALLOCA_H= + fi else ALLOCA_H=alloca.h fi |