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

import os
import sys
import Params

all_modules = [
    'core',
    'common',
    'simulator',
    'node',
    'internet-node',
    'devices/p2p',
    'applications',
    ]


def set_options(opt):
    opt.sub_options('simulator')
    opt.add_option('--enable-rpath',
                   help=("Link programs with rpath"),
                   action="store_true", dest='enable_rpath',
                   default=(sys.platform != 'linux2'))
    opt.add_option('--disable-rpath',
                   help=("Don't link programs with rpath"),
                   action="store_false", dest='enable_rpath',
                   default=(sys.platform != 'linux2'))

def configure(conf):
    conf.sub_config('core')
    conf.sub_config('simulator')

    conf.env['ENABLE_RPATH'] = Params.g_options.enable_rpath


def build(bld):

    ## Add a global RPATH pointing to each module, so that programs can find the libs
    ## Note: this is slightly evil; we get away because our programs
    ## and libs are not supposed to be installed system wide.
    env = bld.env_of_name('default')
    if not env['ENABLE_RPATH']:
        for module in all_modules:
            node = bld.m_curdirnode.find_dir(module)
            if sys.platform == 'win32':
                os.environ["PATH"] = ';'.join([os.environ["PATH"], node.abspath(env)])
            else:
                env.append_value('RPATH', '-Wl,-rpath=%s' % (node.abspath(env),))
    
    bld.add_subdirs(all_modules)