gecko/build/autoconf/mozconfig-find

#! /bin/sh
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla 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
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# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1999
# the Initial Developer. All Rights Reserved.
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# Contributor(s):
#   Stephen Lamm <slamm@netscape.com>
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# ***** END LICENSE BLOCK *****

# mozconfigfind - Loads options from .mozconfig onto configure's
#    command-line. The .mozconfig file is searched for in the 
#    order:
#       if $MOZCONFIG is set, use that.
#       Otherwise, use $TOPSRCDIR/.mozconfig
#       Otherwise, use $HOME/.mozconfig
#
topsrcdir=$1

absolute_path() {
  if [ -n "${1%%/*}" ]; then
    echo $topsrcdir/$1
  else
    echo $1
  fi
}

if [ -n "$MOZCONFIG" ]; then
  MOZCONFIG=`absolute_path "$MOZCONFIG"`
  if ! [ -f "$MOZCONFIG" ]; then
    echo "Specified MOZCONFIG \"$MOZCONFIG\" does not exist!"
    exit 1
  fi
fi

for _config in "$MOZCONFIG" \
               "$topsrcdir/.mozconfig" \
               "$topsrcdir/mozconfig" \
               "$topsrcdir/mozconfig.sh" \
               "$topsrcdir/myconfig.sh" \
               "$HOME/.mozconfig" \
               "$HOME/.mozconfig.sh" \
               "$HOME/.mozmyconfig.sh"
do
  if test -f "$_config"; then
    echo "$_config";
    exit 0
  fi
done