2 # Copyright (C) 2003-2013 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 changes to m4_included files also cause aclocal.m4 to change.
21 cat > configure.ac << 'END'
22 AC_INIT([m4sinclude], [1.0])
24 m4_include([somefile.m4])
25 AC_CONFIG_FILES([Makefile])
29 cat >Makefile.am <<'EOF'
31 test -f "$(srcdir)/somefile.m4"
32 test -f "$(srcdir)/m4/version1.m4"
33 test -f "$(srcdir)/m4/otherfile.m4"
38 echo MACRO1 >somefile.m4
39 echo 'AC_PREREQ([2.58])' >m4/otherfile.m4
41 cat >m4/version1.m4 <<EOF
44 m4_sinclude(m4/otherfile.m4)
47 cat >m4/version2.m4 <<EOF
52 grep version2 aclocal.m4
53 grep version1 aclocal.m4 && exit 1
56 echo MACRO2 >somefile.m4
59 grep version2 aclocal.m4 && exit 1
60 grep version1 aclocal.m4
63 # aclocal.m4 should change if we touch otherfile.m4
66 is_newest aclocal.m4 m4/otherfile.m4