gjc

## -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-import os.pathimport Actionimport Paramsimport Taskfrom Params import fataltry:    import pyplusplusexcept ImportError, ex:    HAVE_PYPLUSPLUS = False    _PYPLUSPLUS_ERROR = str(ex)else:    HAVE_PYPLUSPLUS = Truedef set_options(opt):    opt.tool_options('python')def configure(conf):    ## Check for Python    if not (conf.check_tool('python')            and conf.check_python_version((2,4,2))            and	conf.check_python_headers()):        fatal("Error: missing Python development environment.\n"              "(Hint: if you do not have a debugging Python library installed"              " try using the configure option '--debug-level release')")    ## Check for Boost::Python    e = conf.create_header_enumerator()    e.mandatory = True    e.uselib = 'PYEXT'    e.name = 'boost/python.hpp'    e.run()    ## Check for Py++    conf.check_message('Py++', '', HAVE_PYPLUSPLUS,                       (HAVE_PYPLUSPLUS and pyplusplus.__version__ or _PYPLUSPLUS_ERROR))    if not HAVE_PYPLUSPLUS:        fatal("Py++ is missing (%s)" % (_PYPLUSPLUS_ERROR,))    def pyplusplus_codegen(task):    assert len(task.m_outputs) == 1    header_files = [node.abspath(task.m_env) for node in task.m_inputs]    mb = pyplusplus.module_builder.module_builder_t(        header_files,        include_paths=[Params.g_build.m_curdirnode.abspath(task.m_env)])        outnode = task.m_outputs[0]    module_name, _ = os.path.splitext(outnode.m_name)    mb.build_code_creator(module_name)    mb.write_module(outnode.abspath(task.m_env))        return 0def build(bld):    Action.Action('py++', func=pyplusplus_codegen)    ## get the ns3 headers    for ns3headers in bld.m_outstanding_objs:        if ns3headers.name == 'ns3headers':            break    else:        raise AssertionError    task = Task.Task('py++', bld.env_of_name('default'), 5)    inputs = []    ns3_dir_node = Params.g_build.m_srcnode.find_dir("ns3")    for source in ns3headers.to_list(ns3headers.source):        inputs.append(ns3_dir_node.find_build(os.path.basename(source)))    task.set_inputs(inputs)    outputs = [bld.m_curdirnode.find_build('ns3.cpp')]    task.set_outputs(outputs)    pymod = bld.create_obj('cpp', 'shlib', 'pyext')    pymod.source = 'ns3.cpp'    pymod.target = 'ns3'    pymod.add_objects = "ns3"