2 # Copyright (C) 2006-2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # See how well the rebuild rule handles an aclocal.m4 that was
18 # generated for another version of autoconf.
22 echo AC_OUTPUT >>configure.ac
32 sed '1,20 s/m4_defn(\[AC_AUTOCONF_VERSION\]),/9999,/' < aclocal.m4 > aclocal.tmp
33 cmp aclocal.m4 aclocal.tmp && Exit 1
35 mv aclocal.tmp aclocal.m4
37 $MAKE 2>stderr || { cat cat stderr >&2; Exit 1; }
39 grep 'You have another version of autoconf' stderr
40 grep 'aclocal.m4:.*this file was generated for' stderr
42 $MAKE 2>stderr || { cat cat stderr >&2; Exit 1; }
44 grep 'You have another version of autoconf' stderr && Exit 1
45 grep 'aclocal.m4:.*this file was generated for' stderr && Exit 1