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

     2 import Object

     3 

     4 def build(bld):

     5     env = bld.env_of_name('default')

     6 

     7     if env['NS3_ENABLED_MODULES']:

     8         modules = env['NS3_ENABLED_MODULES']

     9         changed = True

    10         while changed:

    11             changed = False

    12             for module in modules:

    13                 module_obj = Object.name_to_obj(module)

    14                 if module_obj is None:

    15                     raise ValueError("module %s not found" % module)

    16                 for dep in module_obj.add_objects:

    17                     if not dep.startswith('ns3-'):

    18                         continue

    19                     if dep not in modules:

    20                         modules.append(dep)

    21                         changed = True

    22 

    23         ## remove objects that depend on modules not listed

    24         for obj in list(Object.g_allobjs):

    25             if hasattr(obj, 'ns3_module_dependencies'):

    26                 for dep in obj.ns3_module_dependencies:

    27                     if dep not in modules:

    28                         Object.g_allobjs.remove(obj)

    29                         break

    30             if obj.name in env['NS3_MODULES'] and obj.name not in modules:

    31                 Object.g_allobjs.remove(obj)

    32 

    33 

    34 

    35     ## Create a single ns3 library containing all modules

    36     lib = bld.create_obj('cpp', 'shlib')

    37     lib.name = 'ns3'

    38     lib.target = 'ns3'

    39     if env['NS3_ENABLED_MODULES']:

    40         lib.add_objects = list(modules)

    41     else:

    42         lib.add_objects = list(env['NS3_MODULES'])

    43 

    44