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

import sys

import Options

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 conf.check(header_name='stdlib.h'):

        conf.define('HAVE_STDLIB_H', 1)

        conf.define('HAVE_GETENV', 1)

    conf.check(header_name='signal.h', define_name='HAVE_SIGNAL_H')

    # Check for POSIX threads

    test_env = conf.env.copy()

    if Options.platform != 'darwin' and Options.platform != 'cygwin':

        test_env.append_value('LINKFLAGS', '-pthread')

        test_env.append_value('CXXFLAGS', '-pthread')

        test_env.append_value('CCFLAGS', '-pthread')

    fragment = r"""

#include <pthread.h>

int main ()

{

   pthread_mutex_t m;

   pthread_mutex_init (&m, NULL);

   return 0;

}

"""

    have_pthread = conf.check(header_name='pthread.h', define_name='HAVE_PTHREAD_H',

                              env=test_env, fragment=fragment,

                              errmsg='Could not find pthread support (build/config.log for details)',

                              mandatory=False)

    if have_pthread:

        # darwin accepts -pthread but prints a warning saying it is ignored

        if Options.platform != 'darwin' and Options.platform != 'cygwin':

            conf.env['CXXFLAGS_PTHREAD'] = '-pthread'

            conf.env['CCFLAGS_PTHREAD'] = '-pthread'

            conf.env['LINKFLAGS_PTHREAD'] = '-pthread'

    conf.env['ENABLE_THREADING'] = have_pthread

    conf.report_optional_feature("Threading", "Threading Primitives",

                                 conf.env['ENABLE_THREADING'],

                                 "<pthread.h> include not detected")

    a = conf.check(type_name='uint128_t', define_name='HAVE_UINT128_T')

    b = conf.check(type_name='__uint128_t', define_name='HAVE___UINT128_T')

    if Options.options.high_precision_as_double:

        conf.define('USE_HIGH_PRECISION_DOUBLE', 1)

        conf.env['USE_HIGH_PRECISION_DOUBLE'] = 1

        highprec = 'long double'

    elif a or b:

        conf.define('USE_HIGH_PRECISION_128', 1)

        conf.env['USE_HIGH_PRECISION_128'] = 1

        highprec = '128-bit integer'

    else:

        conf.define('USE_HIGH_PRECISION_CAIRO', 1)

        conf.env['USE_HIGH_PRECISION_CAIRO'] = 1

        highprec = 'cairo 128-bit integer'

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

    conf.check(header_name='stdint.h', define_name='HAVE_STDINT_H')

    conf.check(header_name='inttypes.h', define_name='HAVE_INTTYPES_H')

    conf.check(header_name='sys/inttypes.h', define_name='HAVE_SYS_INT_TYPES_H')

    if not conf.check(lib='rt', uselib='RT', define_name='HAVE_RT'):

        conf.report_optional_feature("RealTime", "Real Time Simulator",

                                     False, "librt is not available")

    else:

        conf.report_optional_feature("RealTime", "Real Time Simulator",

                                     conf.env['ENABLE_THREADING'],

                                     "threading not enabled")

        conf.env["ENABLE_REAL_TIME"] = conf.env['ENABLE_THREADING']

    conf.write_config_header('ns3/core-config.h', top=True)

def build(bld):

    core = bld.create_ns3_module('core')

    core.source = [

        'model/high-precision.cc',

        'model/time-base.cc',

        'model/time.cc',

        'model/event-id.cc',

        'model/scheduler.cc',

        'model/list-scheduler.cc',

        'model/map-scheduler.cc',

        'model/heap-scheduler.cc',

        'model/calendar-scheduler.cc',

        'model/ns2-calendar-scheduler.cc',

        'model/event-impl.cc',

        'model/simulator.cc',

        'model/simulator-impl.cc',

        'model/default-simulator-impl.cc',

        'model/timer.cc',

        'model/watchdog.cc',

        'model/synchronizer.cc',

        'model/make-event.cc',

        'model/log.cc',

        'model/breakpoint.cc',

        'model/type-id.cc',

        'model/attribute-list.cc',

        'model/object-base.cc',

        'model/ref-count-base.cc',

        'model/object.cc',

        'model/test.cc',

        'model/random-variable.cc',

        'model/rng-stream.cc',

        'model/command-line.cc',

        'model/type-name.cc',

        'model/attribute.cc',

        'model/boolean.cc',

        'model/integer.cc',

        'model/uinteger.cc',

        'model/enum.cc',

        'model/double.cc',

        'model/string.cc',

        'model/pointer.cc',

        'model/object-vector.cc',

        'model/object-factory.cc',

        'model/global-value.cc',

        'model/trace-source-accessor.cc',

        'model/config.cc',

        'model/callback.cc',

        'model/names.cc',

        'model/vector.cc',

        'model/fatal-impl.cc',

        'test/attribute-test-suite.cc',

        'test/callback-test-suite.cc',

        'test/names-test-suite.cc',

        'test/type-traits-test-suite.cc',

        'test/traced-callback-test-suite.cc',

        'test/ptr-test-suite.cc',

        ]

    headers = bld.new_task_gen('ns3header')

    headers.module = 'core'

    headers.source = [

        'model/high-precision.h',

        'model/time-base.h',

        'model/nstime.h',

        'model/event-id.h',

        'model/event-impl.h',

        'model/simulator.h',

        'model/simulator-impl.h',

        'model/default-simulator-impl.h',

        'model/scheduler.h',

        'model/list-scheduler.h',

        'model/map-scheduler.h',

        'model/heap-scheduler.h',

        'model/calendar-scheduler.h',

        'model/ns2-calendar-scheduler.h',

        'model/simulation-singleton.h',

        'model/timer.h',

        'model/timer-impl.h',

        'model/watchdog.h',

        'model/synchronizer.h',

        'model/make-event.h',

        'model/system-wall-clock-ms.h',

        'model/empty.h',

        'model/callback.h',

        'model/object-base.h',

        'model/ref-count-base.h',

        'model/simple-ref-count.h',

        'model/type-id.h',

        'model/attribute-list.h',

        'model/ptr.h',

        'model/object.h',

        'model/log.h',

        'model/assert.h',

        'model/breakpoint.h',

        'model/fatal-error.h',

        'model/test.h',

        'model/random-variable.h',

        'model/rng-stream.h',

        'model/command-line.h',

        'model/type-name.h',

        'model/type-traits.h',

        'model/int-to-type.h',

        'model/attribute.h',

        'model/attribute-accessor-helper.h',

        'model/boolean.h',

        'model/integer.h',

        'model/uinteger.h',

        'model/double.h',

        'model/enum.h',

        'model/string.h',

        'model/pointer.h',

        'model/object-factory.h',

        'model/attribute-helper.h',

        'model/global-value.h',

        'model/traced-callback.h',

        'model/traced-value.h',

        'model/trace-source-accessor.h',

        'model/config.h',

        'model/object-vector.h',

        'model/deprecated.h',

        'model/abort.h',

        'model/names.h',

        'model/vector.h',

        'model/default-deleter.h',

        'model/fatal-impl.h',

        ]

    if sys.platform == 'win32':

        core.source.extend([

            'model/win32-system-wall-clock-ms.cc',

            ])

    else:

        core.source.extend([

            'model/unix-system-wall-clock-ms.cc',

            ])

    env = bld.env_of_name('default')

    if env['USE_HIGH_PRECISION_DOUBLE']:

        headers.source.extend(['model/high-precision-double.h'])

    elif env['USE_HIGH_PRECISION_128']:

        headers.source.extend(['model/high-precision-128.h'])

        core.source.extend(['model/high-precision-128.cc'])

    elif env['USE_HIGH_PRECISION_CAIRO']:

        core.source.extend([

            'model/high-precision-cairo.cc',

#            'model/cairo-wideint.c',

            ])

        headers.source.extend([

            'model/high-precision-cairo.h',

            'model/cairo-wideint-private.h',

            ])

    if env['ENABLE_REAL_TIME']:

        headers.source.extend([

                'model/realtime-simulator-impl.h',

                'model/wall-clock-synchronizer.h',

                ])

        core.source.extend([

                'model/realtime-simulator-impl.cc',

                'model/wall-clock-synchronizer.cc',

                ])

        core.uselib = 'RT'

    else:

        core.uselib = ''

    if env['ENABLE_THREADING']:

        core.source.extend([

            'model/unix-fd-reader.cc',

            'model/unix-system-thread.cc',

            'model/unix-system-mutex.cc',

            'model/unix-system-condition.cc',

            ])

        core.uselib = core.uselib + ' PTHREAD'

        headers.source.extend([

                'model/unix-fd-reader.h',

                'model/system-mutex.h',

                'model/system-thread.h',

                'model/system-condition.h',

                ])

    if env['ENABLE_GSL']:

        core.uselib = core.uselib + ' GSL GSLCBLAS M'

        core.source.extend(['test/rng-test-suite.cc'])

    pymod = bld.ns3_python_bindings()

    if pymod is not None:

        pymod.source += ['bindings/module_helpers.cc']