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

dnl Output the contents of config.log when configure exits with an
dnl error code.
define([MOZ_CONFIG_LOG_TRAP],
[changequote(<<<, >>>)dnl
trap '[ "$?" != 0 ] && echo "------ config.log ------" && tail -n 25 config.log' EXIT
changequote([, ])dnl
])

dnl Wrap AC_INIT_PREPARE to add the above trap.
define([_MOZ_AC_INIT_PREPARE], defn([AC_INIT_PREPARE]))
define([AC_INIT_PREPARE],
[_MOZ_AC_INIT_PREPARE($1)
MOZ_CONFIG_LOG_TRAP
])

dnl Disable the trap when running sub-configures.
define(GEN_MOZ_AC_OUTPUT_SUBDIRS, [
define([_MOZ_AC_OUTPUT_SUBDIRS], [
patsubst($@, [$srcdir/$ac_config_dir], [$srcdir/$moz_config_srcdir])
])
])
GEN_MOZ_AC_OUTPUT_SUBDIRS(defn([AC_OUTPUT_SUBDIRS]))

define([AC_OUTPUT_SUBDIRS],
[trap '' EXIT
for moz_config_dir in $1; do
  case "$moz_config_dir" in
  *:*)
    moz_config_srcdir=$(echo $moz_config_dir | awk -F: '{print [$]1}')
    moz_config_dir=$(echo $moz_config_dir | awk -F: '{print [$]2}')
    ;;
  *)
    moz_config_srcdir=$moz_config_dir
    ;;
  esac
  _CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
  case "$host" in
  *-mingw*)
    _CONFIG_SHELL=$(cd $(dirname $_CONFIG_SHELL); pwd -W)/$(basename $_CONFIG_SHELL)
    if test ! -e "$_CONFIG_SHELL" -a -e "${_CONFIG_SHELL}.exe"; then
        _CONFIG_SHELL="${_CONFIG_SHELL}.exe"
    fi
    ;;
  esac

  if test -d "$moz_config_dir"; then
    (cd "$moz_config_dir"; eval $PYTHON $_topsrcdir/build/subconfigure.py dump "$_CONFIG_SHELL" $ac_configure_args)
  else
    mkdir -p "$moz_config_dir"
  fi
  _save_cache_file="$cache_file"
  ifelse($2,,cache_file="$moz_config_dir/config.cache",cache_file="$2")
  cache_file="$(cd $(dirname "$cache_file"); pwd -W 2>/dev/null || pwd)/$(basename "$cache_file")"
  _MOZ_AC_OUTPUT_SUBDIRS($moz_config_dir)
  cache_file="$_save_cache_file"
  (cd "$moz_config_dir"; $PYTHON $_topsrcdir/build/subconfigure.py adjust $ac_sub_configure)
done

MOZ_CONFIG_LOG_TRAP
])

dnl Print error messages in config.log as well as stderr
define([AC_MSG_ERROR],
[{ echo "configure: error: $1" 1>&2; echo "configure: error: $1" 1>&5; exit 1; }])