#! /bin/sh
# tagtrace.test - check the LT_SUPPORTED_TAGS interface

# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
# This is free software; see the source for copying conditions.  There is NO
# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

# 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 of the License, 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, a copy can be downloaded from
# http://www.gnu.org/copyleft/gpl.html, or by writing to the Free
# Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.

. tests/defs || exit 1

: ${fnord=$srcdir/fnord$$}

"$AUTOCONF" --version > /dev/null 2>&1 || func_skip "This test requires GNU Autoconf"
if touch $fnord; then
  rm $fnord
else
  func_skip "This test requires write access to the source tree"
fi

# Abort as soon as something fails.
set -e

# Retrieve the list of tags supported by our main libtool script.
traced_tags=`cd "$srcdir" && "$AUTOCONF" --trace 'LT_SUPPORTED_TAG:$1'`

test -n "$traced_tags"

# Ensure each of them is accepted by --tag.
# (We do some useless operation like erasing an empty file, because
# we are just interested in whether --tag accepts the tag or not.)
for tag in $traced_tags; do
  $LIBTOOL -n --mode=link --tag=$tag compiler -o liba.la foo.lo >output 2>&1
  cat output
  if grep 'ignoring unknown tag' output; then
    exit $EXIT_FAILURE
  else
    :
  fi
done

# Ensure the above command would have failed for unknown tags
$LIBTOOL -n --mode=link --tag=UnKnOwN compiler -o liba.la foo.lo >output 2>&1
cat output
grep 'ignoring unknown tag' output

rm -f output