2 dnl Copyright (C) 2007 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 # Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it
10 # fails), and replace malloc if it is not.
11 AC_DEFUN([gl_FUNC_MALLOC_POSIX],
13 AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant],
14 [gl_cv_func_malloc_posix],
16 dnl It is too dangerous to try to allocate a large amount of memory:
17 dnl some systems go to their knees when you do that. So assume that
18 dnl all Unix implementations of the function are POSIX compliant.
20 [#if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
23 ], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no])
25 if test $gl_cv_func_malloc_posix = yes; then
27 AC_DEFINE([HAVE_MALLOC_POSIX], 1,
28 [Define if the 'malloc' function is POSIX compliant.])
33 AC_SUBST([HAVE_MALLOC_POSIX])