#! /bin/sh
# Copyright (C) 2003, 2004  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 3, 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 <http://www.gnu.org/licenses/>.

# Test to make sure that AC_CONFIG_LINKS using a variable source
# is not broken.

. ./defs || Exit 1

set -e

# Skip platforms where `test -e' does not work.  (Note that Changing
# all `test -e' into `test -h' will not work when AC_CONFIG_LINKS
# copies or hardlinks files.)
(test -e configure.in) >/dev/null 2>&1 || Exit 77

cat > Makefile.am << 'END'
SUBDIRS = sdir
test: distdir
	test ! -e $(distdir)/sdir/dest3
	test ! -e $(distdir)/sdir/dest2
	test ! -e $(distdir)/dest3
	test ! -e $(distdir)/dest2
	test -f $(distdir)/src2
## src3 cannot be distributed, Automake knows nothing about it
	test ! -e $(distdir)/sdir/src3
	test ! -e $(distdir)/src3
END

: > src
: > src2
mkdir sdir
: > sdir/Makefile.am
: > sdir/src3

cat >>configure.in << 'EOF'
AC_CONFIG_FILES(sdir/Makefile)
my_src_dir=sdir
my_dest=dest
AC_CONFIG_LINKS(sdir/dest2:src2 sdir/dest3:$my_src_dir/src3)
AC_CONFIG_LINKS($my_dest:src)
# the following is a link whose source is itself a link
AC_CONFIG_LINKS(dest4:sdir/dest2)
# Some package prefer to compute links.
cmplink='dest5:src';
AC_CONFIG_LINKS($cmplink)
AC_OUTPUT
EOF

$ACLOCAL
$AUTOCONF
$AUTOMAKE

# $my_src_dir and $my_dest are variables local to configure, they should
# not appear in Makefile.
grep my_src_dir Makefile.in && Exit 1
grep my_dest Makefile.in && Exit 1

./configure
test -e sdir/dest2
test -e sdir/dest3
test -e dest
test -e dest4
test -e dest5
$MAKE test

$MAKE distclean
test ! -e sdir/dest2
test ! -e sdir/dest3
test -e dest  # Should still exist, Automake knows nothing about it.
test -e dest5 # ditto
rm -f dest dest5
test ! -e dest4

## Cannot do the following, because at the time of writing Autoconf
## (2.59) does not support AC_CONFIG_LINKS source in the build tree.
# mkdir build
# cd build
# ../configure
# $MAKE test