#! /bin/sh
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation.  Portions created by Netscape are
# Copyright (C) 1999 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Stephen Lamm <slamm@netscape.com>
#

# mozconfig2client-mk - Translates .mozconfig into options for client.mk.
#    Prints defines to stdout.
#
# See mozconfig2configure for more details

print_header() {
  _mozconfig=${MOZCONFIG:-$HOME/.mozconfig}
  cat >> $tmp_file <<EOF
# gmake
# This file is automatically generated for client.mk.
# Do not edit. Edit $_mozconfig instead.
# To create a new .mozconfig file, you can visit,
#   http://webtools.mozilla.org/build/config.cgi

EOF
}

ac_add_options() {
  echo "# $* is used by configure (not client.mk)" >> $tmp_file
}

mk_add_options() {
  for _opt
  do
    # Escape shell characters, space, tab, dollar, quote, backslash,
    # and substitute '@<word>@' with '$(<word>)'.
    _opt=`echo "$_opt" | sed -e 's/\([\"\\]\)/\\\1/g; s/@\([^@]*\)@/\$(\1)/g;'`
    echo $_opt;
    opts="${opts:+$opts^}$_opt";
  done >> $tmp_file
}

mk_echo_options() {
  echo "Adding client.mk options from $MOZCONFIG:"
  IFS=^
  for _opt in $opts; do
    echo "    $_opt"
  done
}

# Main
#--------------------------------------------------

scriptdir=`dirname $0`
topsrcdir=$1
out_file=$2
tmp_file="$out_file-tmp$$"
opts=""

trap "rm -f $tmp_file; exit 1" 1 2 15

MOZCONFIG=`$scriptdir/mozconfig-find $topsrcdir`

print_header > $tmp_file

# If the path changes, configure should be rerun
echo "# PATH=$PATH" >> $tmp_file

if [ "$MOZCONFIG" ]
then
  . $MOZCONFIG
fi

if [ "$opts" ]; then
  mk_echo_options
fi

if test -f $out_file && cmp -s $tmp_file $out_file; then
  rm $tmp_file
else
  mv -f $tmp_file $out_file
fi