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
13from b2.build.targets import BasicTarget
14from b2.build.virtual_target import Action, FileTarget
15from b2.build import type
16from b2.manager import get_manager
17import b2.build.property_set
18
19
20class 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
31def 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
58get_manager().projects().add_rule("make", make)
59
60