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_REQUIRE([gl_CHECK_MALLOC_POSIX])
14
if test $gl_cv_func_malloc_posix = yes; then
16
AC_DEFINE([HAVE_MALLOC_POSIX], 1,
17
[Define if the 'malloc' function is POSIX compliant.])
22
AC_SUBST([HAVE_MALLOC_POSIX])
25
# Test whether malloc, realloc, calloc are POSIX compliant,
26
# Set gl_cv_func_malloc_posix to yes or no accordingly.
27
AC_DEFUN([gl_CHECK_MALLOC_POSIX],
29
AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant],
30
[gl_cv_func_malloc_posix],
32
dnl It is too dangerous to try to allocate a large amount of memory:
33
dnl some systems go to their knees when you do that. So assume that
34
dnl all Unix implementations of the function are POSIX compliant.
36
[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
39
], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no])