tools/build/src/tools/make.py

   1 # Status: ported.
   2 # Base revision: 64068
   3
   4 # Copyright 2003 Dave Abrahams
   5 # Copyright 2003 Douglas Gregor
   6 # Copyright 2006 Rene Rivera
   7 # Copyright 2002, 2003, 2004, 2005, 2006 Vladimir Prus
   8 # Distributed under the Boost Software License, Version 1.0.
   9 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #  This module defines the 'make' main target rule.
  12
  13 from b2.build.targets import BasicTarget
  14 from b2.build.virtual_target import Action, FileTarget
  15 from b2.build import type
  16 from b2.manager import get_manager
  17 import b2.build.property_set
  18
  19
  20 class MakeTarget(BasicTarget):
  21
  22     def construct(self, name, source_targets, property_set):
  23
  24         action_name = property_set.get("<action>")[0]
  25         action = Action(get_manager(), source_targets, action_name[1:], property_set)
  26         target = FileTarget(self.name(), type.type(self.name()),
  27                             self.project(), action, exact=True)
  28         return [ b2.build.property_set.empty(),
  29                  [self.project().manager().virtual_targets().register(target)]]
  30
  31 def make (target_name, sources, generating_rule,
  32           requirements=None, usage_requirements=None):
  33
  34     target_name = target_name[0]
  35     generating_rule = generating_rule[0]
  36     if generating_rule[0] != '@':
  37         generating_rule = '@' + generating_rule
  38
  39     if not requirements:
  40         requirements = []
  41
  42
  43     requirements.append("<action>%s" % generating_rule)
  44
  45     m = get_manager()
  46     targets = m.targets()
  47     project = m.projects().current()
  48     engine = m.engine()
  49     engine.register_bjam_action(generating_rule)
  50
  51     targets.main_target_alternative(MakeTarget(
  52         target_name, project,
  53         targets.main_target_sources(sources, target_name),
  54         targets.main_target_requirements(requirements, project),
  55         targets.main_target_default_build([], project),
  56         targets.main_target_usage_requirements(usage_requirements or [], project)))
  57
  58 get_manager().projects().add_rule("make", make)
  59