2 # Copyright (C) 2011-2013 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 # The stub rules emitted to work around the "deleted header problem"
18 # for '.m4' files shouldn't prevent "make" from diagnosing a missing
19 # required '.m4' file from a distribution tarball.
20 # See discussion about automake bug#9768.
21 # See also sister test 'dist-missing-included-m4.sh'.
25 cat >> configure.ac <<'END'
26 m4_pattern_forbid([^MY_])
33 echo 'AC_DEFUN([MY_FOOBAR], [:])' > m4/foobar.m4
34 echo 'AC_DEFUN([MY_ZARDOZ], [:])' > m4/zardoz.m4
36 echo 'ACLOCAL_AMFLAGS = -I m4' > Makefile.am
44 # A faulty distribution tarball, with a required '.m4' file missing.
45 # Building from it should fail, both for in-tree and VPATH builds.
46 ocwd=$(pwd) || fatal_ "cannot get current working directory"
47 for vpath in false :; do
49 test -f $distdir/m4/zardoz.m4 # Sanity check.
50 rm -f $distdir/m4/zardoz.m4
52 # We can't just build in a subdirectory of $distdir, otherwise
53 # we'll hit automake bug#10111.
62 # This error will come from autoconf, not make, so we can be stricter
63 # in our grepping of it.
64 grep 'possibly undefined .*MY_ZARDOZ' output
65 grep 'MY_FOOBAR' output && exit 1 # No spurious error, please.
66 cd "$ocwd" || fatal_ "cannot chdir back to top-level test directory"