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* New feature <relevant> which is automatically deduced in most cases. * Features which are not relevant do not affect target paths and do not prevent merging of virtual targets. * generators.jam: generator.run always returns usage-requirements to allow usage-requirements in non-top-level generators. This is necessary because we're using usage-requirements to track relevance from flags. * New rule toolset.uses-features to specify features that the rule checks manually, instead of using toolset.flags. In the future, we should consider restricting the properties actually passed, to detect errors. * Adjust tests to handle the new paths (verified by inspection). * Add temporary option --ignore-relevance to consider all features relevant to aid migration. * New rule property.evaluate-conditional-relevance which helps tracking relevance in <conditional>. * Widely scattered changes to use the new interfaces.
67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
# Copyright 2003 Dave Abrahams
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# Copyright 2003 Douglas Gregor
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# Copyright 2006 Rene Rivera
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# Copyright 2002, 2003, 2004, 2005, 2006 Vladimir Prus
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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# This module defines the 'make' main target rule.
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import "class" : new ;
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import project ;
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import property-set ;
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import targets ;
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class make-target-class : basic-target
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{
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import "class" : new ;
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import indirect ;
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import toolset ;
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import type ;
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import virtual-target ;
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rule __init__ ( name : project : sources * : requirements *
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: default-build * : usage-requirements * )
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{
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basic-target.__init__ $(name) : $(project) : $(sources) :
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$(requirements) : $(default-build) : $(usage-requirements) ;
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}
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rule construct ( name : source-targets * : property-set )
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{
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local action-name = [ $(property-set).get <action> ] ;
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# 'm' will always be set -- we add '@' ourselves in the 'make' rule
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# below.
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local m = [ MATCH ^@(.*) : $(action-name) ] ;
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local relevant = [ toolset.relevant [ indirect.get-rule $(m[1]) ] ] ;
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local a = [ new action $(source-targets) : $(m[1]) : [ $(property-set).add $(relevant) ] ] ;
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local t = [ new file-target $(self.name) exact : [ type.type
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$(self.name) ] : $(self.project) : $(a) ] ;
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return $(relevant) [ virtual-target.register $(t) ] ;
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}
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}
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# Declares the 'make' main target.
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#
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rule make ( target-name : sources * : generating-rule + : requirements * :
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usage-requirements * )
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{
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# The '@' sign causes the feature.jam module to qualify rule name with the
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# module name of current project, if needed.
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local m = [ MATCH ^(@).* : $(generating-rule) ] ;
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if ! $(m)
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{
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generating-rule = @$(generating-rule) ;
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}
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targets.create-metatarget make-target-class : [ project.current ] :
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$(target-name) : $(sources) : $(requirements) <action>$(generating-rule)
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: : $(usage-requirements) ;
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}
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IMPORT $(__name__) : make : : make ;
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