# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

if [ -z "${FLAGS_board}" ]; then
  error "--board is required."
  exit 1
fi

BOARD="${FLAGS_board}"
BOARD_ROOT="/build/${BOARD}"
ARCH=$(get_board_arch ${BOARD})

# What cross-build are we targeting?
. "${BOARD_ROOT}/etc/portage/make.conf"

# check if any of the given use flags are enabled for a pkg
pkg_use_enabled() {
  local pkg="$1"
  shift
  # for every flag argument, turn it into `-e ^+flag` for grep
  local grep_args="${@/#/-e ^+}"

  equery-"${BOARD}" -q uses "${pkg}" | grep -q ${grep_args}
  return $?
}