2 # Copyright (C) 2008-2012 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 # Make sure autoconf version checks in aclocal.m4 are robust.
19 am_create_testdirs
=empty
22 cat > configure.ac
<<END
23 m4_define([AC_AUTOCONF_VERSION], [9999a])
24 dnl!! m4_define([a], [oops])
27 AC_CONFIG_FILES([Makefile])
34 $AUTOCONF 2>stderr ||
{ cat stderr
>&2; exit 1; }
36 grep 'You have another version of autoconf' stderr
37 grep 'aclocal.m4:.*this file was generated for' stderr
42 sed 's/^dnl!! //' < configure.ac
> configure.tmp
43 cmp configure.ac configure.tmp
&& fatal_
'failed to edit configure.ac'
44 mv -f configure.tmp configure.ac
46 $MAKE 2>stderr ||
{ cat stderr
>&2; exit 1; }
48 grep 'You have another version of autoconf' stderr
49 grep 'aclocal.m4:.*this file was generated for autoconf 9999a' stderr