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

import sys

import Params

def set_options(opt):

    opt.add_option('--high-precision-as-double',

                   help=('Whether to use a double floating point'

                         ' type for high precision time values'

                         ' WARNING: this option only has effect '

                         'with the configure command.'),

                   action="store_true", default=False,

                   dest='high_precision_as_double')

def configure(conf):

    if Params.g_options.high_precision_as_double:

        conf.add_define('USE_HIGH_PRECISION_DOUBLE', 1)

        conf.env['USE_HIGH_PRECISION_DOUBLE'] = 1

        highprec = 'long double'

    else:

        conf.env['USE_HIGH_PRECISION_DOUBLE'] = 0

        highprec = '128-bit integer'

    conf.check_message_custom('high precision time', 'implementation', highprec)

    e = conf.create_header_configurator()

    e.mandatory = False

    e.name = 'stdint.h'

    e.define = 'HAVE_STDINT_H'

    e.run()

    e = conf.create_header_configurator()

    e.mandatory = False

    e.name = 'inttypes.h'

    e.define = 'HAVE_INTTYPES_H'

    e.run()

    e = conf.create_header_configurator()

    e.mandatory = False

    e.name = 'sys/inttypes.h'

    e.define = 'HAVE_SYS_INT_TYPES_H'

    e.run()

    conf.write_config_header('ns3/simulator-config.h')

def build(bld):

    sim = bld.create_ns3_module('simulator', ['core'])

    sim.source = [

        'high-precision.cc',

        'time.cc',

        'event-id.cc',

        'scheduler.cc',

        'scheduler-factory.cc',

        'scheduler-list.cc',

        'scheduler-heap.cc',

        'scheduler-map.cc',

        'event-impl.cc',

        'simulator.cc',

        'time-default-value.cc',

        'timer.cc',

        'event-garbage-collector.cc',

        ]

    headers = bld.create_obj('ns3header')

    headers.source = [

        'high-precision.h',

        'nstime.h',

        'event-id.h',

        'event-impl.h',

        'simulator.h',

        'scheduler.h',

        'scheduler-factory.h',

        'simulation-singleton.h',

        'time-default-value.h',

        'timer.h'

        ]

    env = bld.env_of_name('default')

    if env['USE_HIGH_PRECISION_DOUBLE']:

        sim.source.extend([

            'high-precision-double.cc',

            ])

        headers.source.extend([

            'high-precision-double.h',

            ])

    else:

        sim.source.extend([

            'high-precision-128.cc',

            'cairo-wideint.c',

            ])

        headers.source.extend([

            'high-precision-128.h',

            'cairo-wideint-private.h',

            ])