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#! /bin/sh
# Copyright (C) 2011-2021 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Check that our remake rules doesn't give spurious successes in
# some corner case situations where they should actually fail.
# See automake bug#10111.
# To be clear, we are speaking about *very* corner-case situations here,
# and the fact that the remake rules might get confused in them is not a
# big deal in practice (in fact, this test *currently fails*). Still,
# keeping the limitation exposed is a good idea anyway.
. test-init.sh
cat >> configure.ac <<'END'
m4_include([foobar.m4])
AC_OUTPUT
END
: > foobar.m4
cat > Makefile.am <<'END'
$(srcdir)/foobar.m4:
echo ': foobar was here :' > $@
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE
./configure
# OK, so the developer wants to interactively try out how the
# "distributed form" of his package behaves.
$MAKE distdir
cd $distdir
# He's interested in trying out a VPATH build.
mkdir build
cd build
../configure
# He wants to verify that the rules he's written to rebuild a file
# included by configure.ac works also in VPATH builds.
rm -f ../foobar.m4
$MAKE
grep ': foobar was here :' ../configure
$MAKE distcheck
:
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