# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
#
# Copyright (c) 2014, Regents of the University of California
#
# GPL 3.0 license, see the COPYING.md file for more information

from waflib import Options

BOOST_ASIO_HAS_LOCAL_SOCKETS_CHECK = '''
#include <iostream>
#include <boost/asio.hpp>
int main() {
#ifdef BOOST_ASIO_HAS_LOCAL_SOCKETS
    return 0;
#else
#error "Unix sockets are not available on this platform"
#endif
    return 0;
}
'''

def addUnixOptions(self, opt):
    opt.add_option('--force-unix-socket', action='store_true', default=False,
                   dest='force_unix_socket', help='''Forcefully enable UNIX sockets support''')
setattr(Options.OptionsContext, "addUnixOptions", addUnixOptions)

def configure(conf):
    def boost_asio_has_local_sockets():
        return conf.check_cxx(features="cxx",
                              msg='Checking if UNIX sockets are supported',
                              fragment=BOOST_ASIO_HAS_LOCAL_SOCKETS_CHECK,
                              use='BOOST', mandatory=False)

    if conf.options.force_unix_socket or boost_asio_has_local_sockets():
        conf.define('HAVE_UNIX_SOCKETS', 1)
        conf.env['HAVE_UNIX_SOCKETS'] = True