#! /bin/sh
# Copyright (C) 2010, 2011 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 <http://www.gnu.org/licenses/>.

# Make sure that our macro `AM_MAINTAINER_MODE' adds proper text to
# the configure help screen.  Also make sure the "checking ..." messages
# related to the enabling/disabling of maintainer mode are correct (see
# automake bug#9890).

. ./defs || Exit 1

set -e

set_maintmode ()
{
  rm -rf autom4te*.cache # Just to be sure not to use a stale cache.
  echo "AC_INIT([$me], [1.0])" > configure.in
  case $1 in
    DEFAULT) echo AM_MAINTAINER_MODE;;
          *) echo "AM_MAINTAINER_MODE([$*])";;
  esac >> configure.in
}

check_configure_message_with ()
{
  answer=$1; shift
  ./configure ${1+"$@"} >stdout || { cat stdout; Exit 1; }
  cat stdout
  grep "^checking whether to enable maintainer-specific.*\\.\\.\\. $answer$" stdout
  test `grep -c 'checking.*maint' stdout` -eq 1
  :
}

set_maintmode "DEFAULT"

$ACLOCAL

$AUTOCONF --force

./configure --help >stdout || { cat stdout; Exit 1; }
cat stdout
grep '^  *--enable-maintainer-mode.* enable make rules' stdout

check_configure_message_with "no"
check_configure_message_with "yes" --enable-maintainer-mode

set_maintmode "disable"

$AUTOCONF --force
./configure --help >stdout || { cat stdout; Exit 1; }
cat stdout
grep '^  *--enable-maintainer-mode.* enable make rules' stdout

check_configure_message_with "no"
check_configure_message_with "yes" --enable-maintainer-mode

set_maintmode "enable"

$AUTOCONF --force
./configure --help >stdout || { cat stdout; Exit 1; }
cat stdout
grep '^  *--disable-maintainer-mode.* disable make rules' stdout

check_configure_message_with "yes"
check_configure_message_with "no" --disable-maintainer-mode

: