gecko-dev/build/autoconf/mozconfig2configure

#! /bin/sh
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# mozconfig2configure - Loads options from .mozconfig onto configure's
#    command-line. See mozconfig-find for how the config file is
#    found
#
#    The options from .mozconfig are inserted into the command-line
#    before the real command-line options. This way the real options
#    will override any .mozconfig options.
#
# .mozconfig is a shell script. To add an option to configure's
#    command-line use the pre-defined function, ac_add_options,
#
#       ac_add_options  <configure-option> [<configure-option> ... ]
#
#    For example,
#
#       ac_add_options --with-pthreads --enable-debug
#
# ac_add_options can be called multiple times in .mozconfig.
#    Each call adds more options to configure's command-line.

# Note: $_AUTOCONF_TOOLS_DIR must be defined in the script that includes this.

ac_add_options() {
  for _opt
  do
    # Escape shell characters, space, tab, dollar, quote, backslash, parentheses.
    _opt=`echo $_opt | sed -e 's/\([\ \	\$\"\\\(\)]\)/\\\\\1/g;s/@\([^@]*\)@/\$\1/g;'`
    _opt=`echo $_opt | sed -e 's/@\([^@]*\)@/\$(\1)/g'`

    # Avoid adding duplicates
    case "$ac_options" in
      # Note that all options in $ac_options are enclosed in quotes,
      # so there will always be a last character to match [^-A-Za-z0-9_]
      *"\"$_opt[^-A-Za-z0-9_]"* ) ;;
      * ) mozconfig_ac_options="$mozconfig_ac_options $_opt" ;;
    esac
  done
}

ac_add_app_options() {
  APP=$1
  shift;
  if [ "$APP" = "$MOZ_BUILD_APP" ]; then
      ac_add_options "$*";
  fi
}

mk_add_options() {
  # These options are for client.mk
  # configure can safely ignore them.
  :
}

ac_echo_options() {
  echo "Adding configure options from $FOUND_MOZCONFIG:"
  eval "set -- $mozconfig_ac_options"
  for _opt
  do
    echo "  $_opt"
  done
}

# Main
#--------------------------------------------------
topsrcdir=`dirname $0`
ac_options=
mozconfig_ac_options=

# Save the real command-line options
for _opt
do
  # Escape shell characters, space, tab, dollar, quote, backslash.
  _opt=`echo $_opt | sed -e 's/\([\ \	\$\"\\]\)/\\\\\1/g;'`
  ac_options="$ac_options \"$_opt\""
done


# If FOUND_MOZCONFIG isn't set, look for it and make sure the script doesn't error out
isfoundset=${FOUND_MOZCONFIG+yes}
if [ -z $isfoundset ]; then
  FOUND_MOZCONFIG=`$_AUTOCONF_TOOLS_DIR/mozconfig-find $topsrcdir`
  if [ $? -ne 0 ]; then
    echo "Fix above errors before continuing." 1>&2
    exit 1
  fi
fi

if [ "$FOUND_MOZCONFIG" ]; then
  . "$FOUND_MOZCONFIG"
fi
export FOUND_MOZCONFIG

if [ "$mozconfig_ac_options" ]; then
  ac_echo_options 1>&2
fi

eval "set -- $mozconfig_ac_options $ac_options"