2 dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
3 dnl This file is free software, distributed under the terms of the GNU
4 dnl General Public License. As a special exception to the GNU General
5 dnl Public License, this file may be distributed as part of a program
6 dnl that contains a configuration script generated by Autoconf, under
7 dnl the same distribution terms as the rest of that program.
9 AC_DEFUN([gl_FUNC_ALLOCA],
11 AC_REQUIRE([AC_FUNC_ALLOCA])
12 if test $ac_cv_func_alloca_works = no; then
16 # Define an additional variable used in the Makefile substitution.
18 AC_EGREP_CPP([Need own alloca], [
19 #if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H
28 # Prerequisites of lib/alloca.c.
29 # STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
30 AC_DEFUN([gl_PREREQ_ALLOCA], [
31 AC_CHECK_HEADERS_ONCE(stdlib.h string.h)