## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-

import os.path

def configure(conf):

    if conf.env['ENABLE_THREADING']:

        conf.env['ENABLE_TAP'] = conf.check(header_name='linux/if_tun.h',

                                            define_name='HAVE_IF_TUN_H')

        conf.report_optional_feature("TapBridge", "Tap Bridge",

                                     conf.env['ENABLE_TAP'],

                                     "<linux/if_tun.h> include not detected")

    else:

        conf.report_optional_feature("TapBridge", "Tap Bridge",

                                     False,

                                     "needs threading support which is not available")

    if conf.env['ENABLE_TAP']:

        blddir = os.path.abspath(os.path.join(conf.blddir, conf.env.variant()))

        tapcreatordir = os.path.abspath(os.path.join(blddir, "src/devices/tap-bridge"))

        conf.env.append_value('NS3_EXECUTABLE_PATH', tapcreatordir)

def build(bld):

    module.source = [

        ]

    headers = bld.new_task_gen('ns3header')

    headers.module = 'tap-bridge'

    headers.source = [

        'tap.h',

        ]

    env = bld.env_of_name('default')

    if env['ENABLE_TAP']:

        module.source.extend([

                'tap-bridge.cc',

                'tap-encode-decode.cc',

                ])

        headers.source.extend([

                'tap-bridge.h',

                ])

        if not env['PLATFORM'].startswith('freebsd'):

            obj = bld.create_suid_program('tap-creator')

            obj.source = [

                'tap-creator.cc',

                'tap-encode-decode.cc',

                ]