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 dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
12 AC_REQUIRE([AC_PROG_CPP])
13 AC_REQUIRE([AC_PROG_EGREP])
15 AC_REQUIRE([AC_FUNC_ALLOCA])
16 if test $ac_cv_func_alloca_works = no; then
20 # Define an additional variable used in the Makefile substitution.
22 AC_EGREP_CPP([Need own alloca], [
23 #if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H
32 # Prerequisites of lib/alloca.c.
33 # STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
34 AC_DEFUN([gl_PREREQ_ALLOCA], [:])