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# Copyright 2003, 2005, 2007 Dave Abrahams |
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# Copyright 2006, 2007 Rene Rivera |
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# Copyright 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 http: |
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# This file is part of Boost Build version 2. You can think of it as forming the |
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# main() routine. It is invoked by the bootstrapping code in bootstrap.jam. |
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import build-request ; |
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import builtin ; |
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import "class" : new ; |
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import errors ; |
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import feature ; |
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import make ; |
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import modules ; |
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import os ; |
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import path ; |
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import project ; |
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import property-set ; |
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import regex ; |
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import sequence ; |
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import targets ; |
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import toolset ; |
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import utility ; |
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import version ; |
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import virtual-target ; |
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import generators ; |
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import configure ; |
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################################################################################ |
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# |
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# Module global data. |
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# |
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################################################################################ |
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# Shortcut used in this module for accessing used command-line parameters. |
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.argv = [ modules.peek : ARGV ] ; |
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# Flag indicating we should display additional debugging information related to |
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# locating and loading Boost Build configuration files. |
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.debug-config = [ MATCH ^(--debug-configuration)$ : $(.argv) ] ; |
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# Legacy option doing too many things, some of which are not even documented. |
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# Should be phased out. |
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# * Disables loading site and user configuration files. |
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# * Disables auto-configuration for toolsets specified explicitly on the |
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# command-line. |
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# * Causes --toolset command-line options to be ignored. |
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# * Prevents the default toolset from being used even if no toolset has been |
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# configured at all. |
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.legacy-ignore-config = [ MATCH ^(--ignore-config)$ : $(.argv) ] ; |
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# The cleaning is tricky. Say, if user says 'bjam --clean foo' where 'foo' is a |
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# directory, then we want to clean targets which are in 'foo' as well as those |
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# in any children Jamfiles under foo but not in any unrelated Jamfiles. To |
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# achieve this we collect a list of projects under which cleaning is allowed. |
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.project-targets = ; |
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# Virtual targets obtained when building main targets references on the command |
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# line. When running 'bjam --clean main_target' we want to clean only files |
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# belonging to that main target so we need to record which targets are produced |
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# for it. |
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.results-of-main-targets = ; |
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# Was an XML dump requested? |
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.out-xml = [ MATCH ^--out-xml=(.*)$ : $(.argv) ] ; |
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# Default toolset & version to be used in case no other toolset has been used |
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# explicitly by either the loaded configuration files, the loaded project build |
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# scripts or an explicit toolset request on the command line. If not specified, |
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# an arbitrary default will be used based on the current host OS. This value, |
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# while not strictly necessary, has been added to allow testing Boost-Build's |
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# default toolset usage functionality. |
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.default-toolset = ; |
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.default-toolset-version = ; |
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################################################################################ |
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# |
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# Public rules. |
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# |
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################################################################################ |
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# Returns the property set with the free features from the currently processed |
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# build request. |
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# |
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rule command-line-free-features ( ) |
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{ |
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return $(.command-line-free-features) ; |
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} |
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# Returns the location of the build system. The primary use case is building |
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# Boost where it is sometimes needed to get the location of other components |
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# (e.g. BoostBook files) and it is convenient to use locations relative to the |
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# Boost Build path. |
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# |
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rule location ( ) |
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{ |
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local r = [ modules.binding build-system ] ; |
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return $(r:P) ; |
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} |
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# Sets the default toolset & version to be used in case no other toolset has |
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# been used explicitly by either the loaded configuration files, the loaded |
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# project build scripts or an explicit toolset request on the command line. For |
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# more detailed information see the comment related to used global variables. |
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# |
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rule set-default-toolset ( toolset : version ? ) |
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{ |
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.default-toolset = $(toolset) ; |
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.default-toolset-version = $(version) ; |
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} |
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rule set-pre-build-hook ( function ) |
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{ |
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.pre-build-hook = $(function) ; |
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} |
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rule set-post-build-hook ( function ) |
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{ |
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.post-build-hook = $(function) ; |
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} |
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################################################################################ |
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# |
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# Local rules. |
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# |
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################################################################################ |
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# Returns actual Jam targets to be used for executing a clean request. |
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# |
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local rule actual-clean-targets ( ) |
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{ |
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# Construct a list of projects explicitly detected as targets on this build |
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# system run. These are the projects under which cleaning is allowed. |
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for local t in $(targets) |
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{ |
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if [ class.is-a $(t) : project-target ] |
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{ |
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.project-targets += [ $(t).project-module ] ; |
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} |
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} |
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# Construct a list of targets explicitly detected on this build system run |
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# as a result of building main targets. |
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local targets-to-clean ; |
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for local t in $(.results-of-main-targets) |
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{ |
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# Do not include roots or sources. |
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targets-to-clean += [ virtual-target.traverse $(t) ] ; |
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} |
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targets-to-clean = [ sequence.unique $(targets-to-clean) ] ; |
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local to-clean ; |
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for local t in [ virtual-target.all-targets ] |
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{ |
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local p = [ $(t).project ] ; |
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# Remove only derived targets. |
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if [ $(t).action ] |
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{ |
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if $(t) in $(targets-to-clean) || |
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[ should-clean-project [ $(p).project-module ] ] = true |
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{ |
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to-clean += $(t) ; |
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} |
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} |
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} |
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local to-clean-actual ; |
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for local t in $(to-clean) |
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{ |
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to-clean-actual += [ $(t).actualize ] ; |
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} |
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return $(to-clean-actual) ; |
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} |
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# Given a target id, try to find and return the corresponding target. This is |
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# only invoked when there is no Jamfile in ".". This code somewhat duplicates |
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# code in project-target.find but we can not reuse that code without a |
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# project-targets instance. |
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# |
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local rule find-target ( target-id ) |
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{ |
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local split = [ MATCH (.*)//(.*) : $(target-id) ] ; |
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local pm ; |
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if $(split) |
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{ |
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pm = [ project.find $(split[1]) : "." ] ; |
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} |
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else |
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{ |
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pm = [ project.find $(target-id) : "." ] ; |
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} |
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local result ; |
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if $(pm) |
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{ |
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result = [ project.target $(pm) ] ; |
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} |
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if $(split) |
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{ |
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result = [ $(result).find $(split[2]) ] ; |
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} |
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return $(result) ; |
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} |
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# Initializes a new configuration module. |
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# |
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local rule initialize-config-module ( module-name : location ? ) |
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{ |
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project.initialize $(module-name) : $(location) ; |
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if USER_MODULE in [ RULENAMES ] |
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{ |
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USER_MODULE $(module-name) ; |
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} |
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} |
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# Helper rule used to load configuration files. Loads the first configuration |
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# file with the given 'filename' at 'path' into module with name 'module-name'. |
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# Not finding the requested file may or may not be treated as an error depending |
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# on the must-find parameter. Returns a normalized path to the loaded |
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# configuration file or nothing if no file was loaded. |
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# |
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local rule load-config ( module-name : filename : path + : must-find ? ) |
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{ |
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if $(.debug-config) |
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{ |
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ECHO "notice: Searching" "$(path)" "for" "$(module-name)" |
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"configuration file" "$(filename)" "." ; |
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} |
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local where = [ GLOB $(path) : $(filename) ] ; |
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if $(where) |
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{ |
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where = [ NORMALIZE_PATH $(where[1]) ] ; |
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if $(.debug-config) |
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{ |
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ECHO "notice: Loading" "$(module-name)" "configuration file" |
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"$(filename)" "from" $(where) "." ; |
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} |
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# Set source location so that path-constant in config files |
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# with relative paths work. This is of most importance |
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# for project-config.jam, but may be used in other |
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# config files as well. |
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local attributes = [ project.attributes $(module-name) ] ; |
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$(attributes).set source-location : $(where:D) : exact ; |
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modules.load $(module-name) : $(filename) : $(path) ; |
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project.load-used-projects $(module-name) ; |
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} |
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else |
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{ |
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if $(must-find) |
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{ |
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errors.user-error "Configuration file" "$(filename)" "not found in" |
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"$(path)" "." ; |
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} |
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if $(.debug-config) |
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{ |
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ECHO "notice:" "Configuration file" "$(filename)" "not found in" |
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"$(path)" "." ; |
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} |
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} |
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return $(where) ; |
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} |
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# Loads all the configuration files used by Boost Build in the following order: |
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# |
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# -- test-config -- |
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# Loaded only if specified on the command-line using the --test-config |
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# command-line parameter. It is ok for this file not to exist even if specified. |
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# If this configuration file is loaded, regular site and user configuration |
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# files will not be. If a relative path is specified, file is searched for in |
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# the current folder. |
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# |
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# -- site-config -- |
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# Always named site-config.jam. Will only be found if located on the system |
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# root path (Windows), /etc (non-Windows), user's home folder or the Boost Build |
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# path, in that order. Not loaded in case the test-config configuration file is |
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# loaded or either the --ignore-site-config or the --ignore-config command-line |
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# option is specified. |
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# |
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# -- user-config -- |
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# Named user-config.jam by default or may be named explicitly using the |
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# --user-config command-line option or the BOOST_BUILD_USER_CONFIG environment |
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# variable. If named explicitly the file is looked for from the current working |
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# directory and if the default one is used then it is searched for in the |
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# user's home directory and the Boost Build path, in that order. Not loaded in |
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# case either the test-config configuration file is loaded, --ignore-config |
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# command-line option is specified or an empty file name is explicitly |
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# specified. If the file name has been given explicitly then the file must |
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# exist. |
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# |
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# Test configurations have been added primarily for use by Boost Build's |
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# internal unit testing system but may be used freely in other places as well. |
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# |
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local rule load-configuration-files |
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{ |
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# Flag indicating that site configuration should not be loaded. |
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local ignore-site-config = |
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[ MATCH ^(--ignore-site-config)$ : $(.argv) ] ; |
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if $(.legacy-ignore-config) && $(.debug-config) |
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{ |
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ECHO "notice: Regular site and user configuration files will be ignored" ; |
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ECHO "notice: due to the --ignore-config command-line option." ; |
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} |
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initialize-config-module test-config ; |
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local test-config = [ MATCH ^--test-config=(.*)$ : $(.argv) ] ; |
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local uq = [ MATCH \"(.*)\" : $(test-config) ] ; |
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if $(uq) |
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{ |
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test-config = $(uq) ; |
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} |
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if $(test-config) |
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{ |
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local where = |
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[ load-config test-config : $(test-config:BS) : $(test-config:D) ] ; |
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if $(where) |
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{ |
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if $(.debug-config) && ! $(.legacy-ignore-config) |
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{ |
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ECHO "notice: Regular site and user configuration files will" ; |
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ECHO "notice: be ignored due to the test configuration being" |
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"loaded." ; |
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} |
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} |
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else |
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{ |
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test-config = ; |
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} |
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} |
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local user-path = [ os.home-directories ] [ os.environ BOOST_BUILD_PATH ] ; |
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local site-path = /etc $(user-path) ; |
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if [ os.name ] in NT CYGWIN |
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{ |
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site-path = [ modules.peek : SystemRoot ] $(user-path) ; |
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} |
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if $(ignore-site-config) && !$(.legacy-ignore-config) |
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{ |
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ECHO "notice: Site configuration files will be ignored due to the" ; |
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ECHO "notice: --ignore-site-config command-line option." ; |
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} |
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initialize-config-module site-config ; |
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if ! $(test-config) && ! $(ignore-site-config) && ! $(.legacy-ignore-config) |
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{ |
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load-config site-config : site-config.jam : $(site-path) ; |
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} |
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initialize-config-module user-config ; |
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if ! $(test-config) && ! $(.legacy-ignore-config) |
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{ |
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local user-config = [ MATCH ^--user-config=(.*)$ : $(.argv) ] ; |
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user-config = $(user-config[-1]) ; |
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user-config ?= [ os.environ BOOST_BUILD_USER_CONFIG ] ; |
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# Special handling for the case when the OS does not strip the quotes |
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# around the file name, as is the case when using Cygwin bash. |
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user-config = [ utility.unquote $(user-config) ] ; |
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local explicitly-requested = $(user-config) ; |
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user-config ?= user-config.jam ; |
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if $(user-config) |
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{ |
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if $(explicitly-requested) |
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{ |
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# Treat explicitly entered user paths as native OS path |
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# references and, if non-absolute, root them at the current |
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# working directory. |
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user-config = [ path.make $(user-config) ] ; |
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user-config = [ path.root $(user-config) [ path.pwd ] ] ; |
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user-config = [ path.native $(user-config) ] ; |
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if $(.debug-config) |
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{ |
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ECHO "notice: Loading explicitly specified user" |
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"configuration file:" ; |
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ECHO " $(user-config)" ; |
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} |
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load-config user-config : $(user-config:BS) : $(user-config:D) |
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: must-exist ; |
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} |
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else |
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{ |
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load-config user-config : $(user-config) : $(user-path) ; |
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} |
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} |
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else if $(.debug-config) |
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{ |
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ECHO "notice: User configuration file loading explicitly disabled." ; |
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} |
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} |
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# We look for project-config.jam from "." upward. |
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# I am not sure this is 100% right decision, we might as well check for |
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# it only alonside the Jamroot file. However: |
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# |
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# - We need to load project-root.jam before Jamroot |
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# - We probably would need to load project-root.jam even if there's no |
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# Jamroot - e.g. to implement automake-style out-of-tree builds. |
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local file = [ path.glob "." : project-config.jam ] ; |
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if ! $(file) |
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{ |
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file = [ path.glob-in-parents "." : project-config.jam ] ; |
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} |
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if $(file) |
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{ |
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initialize-config-module project-config : $(file:D) ; |
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load-config project-config : project-config.jam : $(file:D) ; |
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} |
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} |
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# Autoconfigure toolsets based on any instances of --toolset=xx,yy,...zz or |
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# toolset=xx,yy,...zz in the command line. May return additional properties to |
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# be processed as if they had been specified by the user. |
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# |
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local rule process-explicit-toolset-requests |
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{ |
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local extra-properties ; |
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local option-toolsets = [ regex.split-list [ MATCH ^--toolset=(.*)$ : $(.argv) ] : "," ] ; |
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local feature-toolsets = [ regex.split-list [ MATCH ^toolset=(.*)$ : $(.argv) ] : "," ] ; |
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for local t in $(option-toolsets) $(feature-toolsets) |
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{ |
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# Parse toolset-version/properties. |
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local (t-v,t,v) = [ MATCH (([^-/]+)-?([^/]+)?)/?.* : $(t) ] ; |
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local toolset-version = $((t-v,t,v)[1]) ; |
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local toolset = $((t-v,t,v)[2]) ; |
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local version = $((t-v,t,v)[3]) ; |
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if $(.debug-config) |
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{ |
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ECHO notice: [cmdline-cfg] Detected command-line request for |
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$(toolset-version): "toolset=" $(toolset) "version=" |
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$(version) ; |
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} |
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# If the toolset is not known, configure it now. |
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local known ; |
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if $(toolset) in [ feature.values <toolset> ] |
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{ |
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known = true ; |
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} |
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if $(known) && $(version) && ! [ feature.is-subvalue toolset |
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: $(toolset) : version : $(version) ] |
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{ |
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known = ; |
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} |
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# TODO: we should do 'using $(toolset)' in case no version has been |
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# specified and there are no versions defined for the given toolset to |
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# allow the toolset to configure its default version. For this we need |
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# to know how to detect whether a given toolset has any versions |
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# defined. An alternative would be to do this whenever version is not |
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# specified but that would require that toolsets correctly handle the |
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# case when their default version is configured multiple times which |
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# should be checked for all existing toolsets first. |
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if ! $(known) |
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{ |
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if $(.debug-config) |
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{ |
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ECHO "notice: [cmdline-cfg] toolset $(toolset-version) not" |
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"previously configured; attempting to auto-configure now" ; |
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} |
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toolset.using $(toolset) : $(version) ; |
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} |
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else |
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{ |
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if $(.debug-config) |
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{ |
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ECHO notice: [cmdline-cfg] toolset $(toolset-version) already |
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configured ; |
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} |
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} |
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# Make sure we get an appropriate property into the build request in |
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# case toolset has been specified using the "--toolset=..." command-line |
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# option form. |
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if ! $(t) in $(.argv) && ! $(t) in $(feature-toolsets) |
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{ |
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if $(.debug-config) |
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{ |
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ECHO notice: [cmdline-cfg] adding toolset=$(t) to the build |
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request. ; |
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} |
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extra-properties += toolset=$(t) ; |
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} |
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} |
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return $(extra-properties) ; |
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} |
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# Returns 'true' if the given 'project' is equal to or is a (possibly indirect) |
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# child to any of the projects requested to be cleaned in this build system run. |
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# Returns 'false' otherwise. Expects the .project-targets list to have already |
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# been constructed. |
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# |
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local rule should-clean-project ( project ) |
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{ |
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if ! $(.should-clean-project.$(project)) |
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{ |
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local r = false ; |
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if $(project) in $(.project-targets) |
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{ |
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r = true ; |
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} |
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else |
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{ |
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local parent = [ project.attribute $(project) parent-module ] ; |
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if $(parent) && $(parent) != user-config |
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{ |
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r = [ should-clean-project $(parent) ] ; |
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} |
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} |
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.should-clean-project.$(project) = $(r) ; |
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} |
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return $(.should-clean-project.$(project)) ; |
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} |
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################################################################################ |
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# |
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# main() |
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# ------ |
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# |
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################################################################################ |
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{ |
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if --version in $(.argv) |
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{ |
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version.print ; |
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EXIT ; |
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} |
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version.verify-engine-version ; |
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load-configuration-files ; |
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local extra-properties ; |
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# Note that this causes --toolset options to be ignored if --ignore-config |
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# is specified. |
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if ! $(.legacy-ignore-config) |
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{ |
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extra-properties = [ process-explicit-toolset-requests ] ; |
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} |
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# We always load project in "." so that 'use-project' directives have any |
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# chance of being seen. Otherwise, we would not be able to refer to |
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# subprojects using target ids. |
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local current-project ; |
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if [ project.find "." : "." ] |
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{ |
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current-project = [ project.target [ project.load "." ] ] ; |
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} |
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|
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# In case there are no toolsets currently defined makes the build run using |
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# the default toolset. |
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if ! $(.legacy-ignore-config) && ! [ feature.values <toolset> ] |
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{ |
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local default-toolset = $(.default-toolset) ; |
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local default-toolset-version = ; |
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if $(default-toolset) |
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{ |
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default-toolset-version = $(.default-toolset-version) ; |
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} |
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else |
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{ |
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default-toolset = gcc ; |
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if [ os.name ] = NT |
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{ |
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default-toolset = msvc ; |
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} |
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else if [ os.name ] = MACOSX |
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{ |
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default-toolset = darwin ; |
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} |
|
} |
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|
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toolset.using $(default-toolset) : $(default-toolset-version) ; |
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} |
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|
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# Parse command line for targets and properties. Note that this requires |
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# that all project files already be loaded. |
|
local build-request = [ build-request.from-command-line $(.argv) |
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$(extra-properties) ] ; |
|
local target-ids = [ $(build-request).get-at 1 ] ; |
|
local properties = [ $(build-request).get-at 2 ] ; |
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|
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|
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# Expand properties specified on the command line into multiple property |
|
# sets consisting of all legal property combinations. Each expanded property |
|
# set will be used for a single build run. E.g. if multiple toolsets are |
|
# specified then requested targets will be built with each of them. |
|
if $(properties) |
|
{ |
|
expanded = [ build-request.expand-no-defaults $(properties) ] ; |
|
local xexpanded ; |
|
for local e in $(expanded) |
|
{ |
|
xexpanded += [ property-set.create [ feature.split $(e) ] ] ; |
|
} |
|
expanded = $(xexpanded) ; |
|
} |
|
else |
|
{ |
|
expanded = [ property-set.empty ] ; |
|
} |
|
|
|
|
|
# Check that we actually found something to build. |
|
if ! $(current-project) && ! $(target-ids) |
|
{ |
|
errors.user-error "error: no Jamfile in current directory found, and no" |
|
"target references specified." ; |
|
EXIT ; |
|
} |
|
|
|
|
|
# Flags indicating that this build system run has been started in order to |
|
# clean existing instead of create new targets. Note that these are not the |
|
# final flag values as they may get changed later on due to some special |
|
# targets being specified on the command line. |
|
local clean ; if "--clean" in $(.argv) { clean = true ; } |
|
local cleanall ; if "--clean-all" in $(.argv) { cleanall = true ; } |
|
|
|
|
|
# List of explicitly requested files to build. Any target references read |
|
# from the command line parameter not recognized as one of the targets |
|
# defined in the loaded Jamfiles will be interpreted as an explicitly |
|
# requested file to build. If any such files are explicitly requested then |
|
# only those files and the targets they depend on will be built and they |
|
# will be searched for among targets that would have been built had there |
|
# been no explicitly requested files. |
|
local explicitly-requested-files |
|
|
|
|
|
# List of Boost Build meta-targets, virtual-targets and actual Jam targets |
|
# constructed in this build system run. |
|
local targets ; |
|
local virtual-targets ; |
|
local actual-targets ; |
|
|
|
|
|
# Process each target specified on the command-line and convert it into |
|
# internal Boost Build target objects. Detect special clean target. If no |
|
# main Boost Build targets were explictly requested use the current project |
|
# as the target. |
|
for local id in $(target-ids) |
|
{ |
|
if $(id) = clean |
|
{ |
|
clean = true ; |
|
} |
|
else |
|
{ |
|
local t ; |
|
if $(current-project) |
|
{ |
|
t = [ $(current-project).find $(id) : no-error ] ; |
|
} |
|
else |
|
{ |
|
t = [ find-target $(id) ] ; |
|
} |
|
|
|
if ! $(t) |
|
{ |
|
ECHO "notice: could not find main target" $(id) ; |
|
ECHO "notice: assuming it is a name of file to create." ; |
|
explicitly-requested-files += $(id) ; |
|
} |
|
else |
|
{ |
|
targets += $(t) ; |
|
} |
|
} |
|
} |
|
if ! $(targets) |
|
{ |
|
targets += [ project.target [ project.module-name "." ] ] ; |
|
} |
|
|
|
if [ option.get dump-generators : : true ] |
|
{ |
|
generators.dump ; |
|
} |
|
|
|
# We wish to put config.log in the build directory corresponding |
|
# to Jamroot, so that the location does not differ depending on |
|
# directory where we do build. The amount of indirection necessary |
|
# here is scary. |
|
local first-project = [ $(targets[0]).project ] ; |
|
local first-project-root-location = [ $(first-project).get project-root ] ; |
|
local first-project-root-module = [ project.load $(first-project-root-location) ] ; |
|
local first-project-root = [ project.target $(first-project-root-module) ] ; |
|
local first-build-build-dir = [ $(first-project-root).build-dir ] ; |
|
configure.set-log-file $(first-build-build-dir)/config.log ; |
|
|
|
# Now that we have a set of targets to build and a set of property sets to |
|
# build the targets with, we can start the main build process by using each |
|
# property set to generate virtual targets from all of our listed targets |
|
# and any of their dependants. |
|
for local p in $(expanded) |
|
{ |
|
.command-line-free-features = [ property-set.create [ $(p).free ] ] ; |
|
for local t in $(targets) |
|
{ |
|
local g = [ $(t).generate $(p) ] ; |
|
if ! [ class.is-a $(t) : project-target ] |
|
{ |
|
.results-of-main-targets += $(g[2-]) ; |
|
} |
|
virtual-targets += $(g[2-]) ; |
|
} |
|
} |
|
|
|
|
|
# Convert collected virtual targets into actual raw Jam targets. |
|
for t in $(virtual-targets) |
|
{ |
|
actual-targets += [ $(t).actualize ] ; |
|
} |
|
|
|
|
|
# If XML data output has been requested prepare additional rules and targets |
|
# so we can hook into Jam to collect build data while its building and have |
|
# it trigger the final XML report generation after all the planned targets |
|
# have been built. |
|
if $(.out-xml) |
|
{ |
|
# Get a qualified virtual target name. |
|
rule full-target-name ( target ) |
|
{ |
|
local name = [ $(target).name ] ; |
|
local project = [ $(target).project ] ; |
|
local project-path = [ $(project).get location ] ; |
|
return $(project-path)//$(name) ; |
|
} |
|
|
|
# Generate an XML file containing build statistics for each constituent. |
|
# |
|
rule out-xml ( xml-file : constituents * ) |
|
{ |
|
# Prepare valid XML header and footer with some basic info. |
|
local nl = " |
|
" ; |
|
local os = [ modules.peek : OS OSPLAT JAMUNAME ] "" ; |
|
local timestamp = [ modules.peek : JAMDATE ] ; |
|
local cwd = [ PWD ] ; |
|
local command = $(.argv) ; |
|
local bb-version = [ version.boost-build ] ; |
|
.header on $(xml-file) = |
|
"<?xml version=\"1.0\" encoding=\"utf-8\"?>" |
|
"$(nl)<build format=\"1.0\" version=\"$(bb-version)\">" |
|
"$(nl) <os name=\"$(os[1])\" platform=\"$(os[2])\"><![CDATA[$(os[3-]:J= )]]></os>" |
|
"$(nl) <timestamp><![CDATA[$(timestamp)]]></timestamp>" |
|
"$(nl) <directory><![CDATA[$(cwd)]]></directory>" |
|
"$(nl) <command><![CDATA[\"$(command:J=\" \")\"]]></command>" |
|
; |
|
.footer on $(xml-file) = |
|
"$(nl)</build>" ; |
|
|
|
# Generate the target dependency graph. |
|
.contents on $(xml-file) += |
|
"$(nl) <targets>" ; |
|
for local t in [ virtual-target.all-targets ] |
|
{ |
|
local action = [ $(t).action ] ; |
|
if $(action) |
|
# If a target has no action, it has no dependencies. |
|
{ |
|
local name = [ full-target-name $(t) ] ; |
|
local sources = [ $(action).sources ] ; |
|
local dependencies ; |
|
for local s in $(sources) |
|
{ |
|
dependencies += [ full-target-name $(s) ] ; |
|
} |
|
|
|
local path = [ $(t).path ] ; |
|
local jam-target = [ $(t).actual-name ] ; |
|
|
|
.contents on $(xml-file) += |
|
"$(nl) <target>" |
|
"$(nl) <name><![CDATA[$(name)]]></name>" |
|
"$(nl) <dependencies>" |
|
"$(nl) <dependency><![CDATA[$(dependencies)]]></dependency>" |
|
"$(nl) </dependencies>" |
|
"$(nl) <path><![CDATA[$(path)]]></path>" |
|
"$(nl) <jam-target><![CDATA[$(jam-target)]]></jam-target>" |
|
"$(nl) </target>" |
|
; |
|
} |
|
} |
|
.contents on $(xml-file) += |
|
"$(nl) </targets>" ; |
|
|
|
# Build $(xml-file) after $(constituents). Do so even if a |
|
# constituent action fails and regenerate the xml on every bjam run. |
|
INCLUDES $(xml-file) : $(constituents) ; |
|
ALWAYS $(xml-file) ; |
|
__ACTION_RULE__ on $(xml-file) = build-system.out-xml.generate-action ; |
|
out-xml.generate $(xml-file) ; |
|
} |
|
|
|
# The actual build actions are here; if we did this work in the actions |
|
# clause we would have to form a valid command line containing the |
|
# result of @(...) below (the name of the XML file). |
|
# |
|
rule out-xml.generate-action ( args * : xml-file |
|
: command status start end user system : output ? ) |
|
{ |
|
local contents = |
|
[ on $(xml-file) return $(.header) $(.contents) $(.footer) ] ; |
|
local f = @($(xml-file):E=$(contents)) ; |
|
} |
|
|
|
# Nothing to do here; the *real* actions happen in |
|
# out-xml.generate-action. |
|
actions quietly out-xml.generate { } |
|
|
|
# Define the out-xml file target, which depends on all the targets so |
|
# that it runs the collection after the targets have run. |
|
out-xml $(.out-xml) : $(actual-targets) ; |
|
|
|
# Set up a global __ACTION_RULE__ that records all the available |
|
# statistics about each actual target in a variable "on" the --out-xml |
|
# target. |
|
# |
|
rule out-xml.collect ( xml-file : target : command status start end user |
|
system : output ? ) |
|
{ |
|
local nl = " |
|
" ; |
|
# Open the action with some basic info. |
|
.contents on $(xml-file) += |
|
"$(nl) <action status=\"$(status)\" start=\"$(start)\" end=\"$(end)\" user=\"$(user)\" system=\"$(system)\">" ; |
|
|
|
# If we have an action object we can print out more detailed info. |
|
local action = [ on $(target) return $(.action) ] ; |
|
if $(action) |
|
{ |
|
local action-name = [ $(action).action-name ] ; |
|
local action-sources = [ $(action).sources ] ; |
|
local action-props = [ $(action).properties ] ; |
|
|
|
# The qualified name of the action which we created the target. |
|
.contents on $(xml-file) += |
|
"$(nl) <name><![CDATA[$(action-name)]]></name>" ; |
|
|
|
# The sources that made up the target. |
|
.contents on $(xml-file) += |
|
"$(nl) <sources>" ; |
|
for local source in $(action-sources) |
|
{ |
|
local source-actual = [ $(source).actual-name ] ; |
|
.contents on $(xml-file) += |
|
"$(nl) <source><![CDATA[$(source-actual)]]></source>" ; |
|
} |
|
.contents on $(xml-file) += |
|
"$(nl) </sources>" ; |
|
|
|
# The properties that define the conditions under which the |
|
# target was built. |
|
.contents on $(xml-file) += |
|
"$(nl) <properties>" ; |
|
for local prop in [ $(action-props).raw ] |
|
{ |
|
local prop-name = [ MATCH ^<(.*)>$ : $(prop:G) ] ; |
|
.contents on $(xml-file) += |
|
"$(nl) <property name=\"$(prop-name)\"><![CDATA[$(prop:G=)]]></property>" ; |
|
} |
|
.contents on $(xml-file) += |
|
"$(nl) </properties>" ; |
|
} |
|
|
|
local locate = [ on $(target) return $(LOCATE) ] ; |
|
locate ?= "" ; |
|
.contents on $(xml-file) += |
|
"$(nl) <jam-target><![CDATA[$(target)]]></jam-target>" |
|
"$(nl) <path><![CDATA[$(target:G=:R=$(locate))]]></path>" |
|
"$(nl) <command><![CDATA[$(command)]]></command>" |
|
"$(nl) <output><![CDATA[$(output)]]></output>" ; |
|
.contents on $(xml-file) += |
|
"$(nl) </action>" ; |
|
} |
|
|
|
# When no __ACTION_RULE__ is set "on" a target, the search falls back to |
|
# the global module. |
|
module |
|
{ |
|
__ACTION_RULE__ = build-system.out-xml.collect |
|
[ modules.peek build-system : .out-xml ] ; |
|
} |
|
|
|
IMPORT |
|
build-system : |
|
out-xml.collect |
|
out-xml.generate-action |
|
: : |
|
build-system.out-xml.collect |
|
build-system.out-xml.generate-action |
|
; |
|
} |
|
|
|
local j = [ option.get jobs ] ; |
|
if $(j) |
|
{ |
|
modules.poke : PARALLELISM : $(j) ; |
|
} |
|
|
|
local k = [ option.get keep-going : true : true ] ; |
|
if $(k) in "on" "yes" "true" |
|
{ |
|
modules.poke : KEEP_GOING : 1 ; |
|
} |
|
else if $(k) in "off" "no" "false" |
|
{ |
|
modules.poke : KEEP_GOING : 0 ; |
|
} |
|
else |
|
{ |
|
ECHO "error: Invalid value for the --keep-going option" ; |
|
EXIT ; |
|
} |
|
|
|
# The 'all' pseudo target is not strictly needed expect in the case when we |
|
# use it below but people often assume they always have this target |
|
# available and do not declare it themselves before use which may cause |
|
# build failures with an error message about not being able to build the |
|
# 'all' target. |
|
NOTFILE all ; |
|
|
|
# And now that all the actual raw Jam targets and all the dependencies |
|
# between them have been prepared all that is left is to tell Jam to update |
|
# those targets. |
|
if $(explicitly-requested-files) |
|
{ |
|
# Note that this case can not be joined with the regular one when only |
|
# exact Boost Build targets are requested as here we do not build those |
|
# requested targets but only use them to construct the dependency tree |
|
# needed to build the explicitly requested files. |
|
UPDATE $(explicitly-requested-files:G=e) $(.out-xml) ; |
|
} |
|
else if $(cleanall) |
|
{ |
|
UPDATE clean-all ; |
|
} |
|
else if $(clean) |
|
{ |
|
common.Clean clean : [ actual-clean-targets ] ; |
|
UPDATE clean ; |
|
} |
|
else |
|
{ |
|
configure.print-configure-checks-summary ; |
|
|
|
if $(.pre-build-hook) |
|
{ |
|
$(.pre-build-hook) ; |
|
} |
|
|
|
DEPENDS all : $(actual-targets) ; |
|
if UPDATE_NOW in [ RULENAMES ] |
|
{ |
|
local ok = [ UPDATE_NOW all $(.out-xml) ] ; |
|
if $(.post-build-hook) |
|
{ |
|
$(.post-build-hook) $(ok) ; |
|
} |
|
# Prevent automatic update of the 'all' target, now that |
|
# we have explicitly updated what we wanted. |
|
UPDATE ; |
|
} |
|
else |
|
{ |
|
UPDATE all $(.out-xml) ; |
|
} |
|
} |
|
} |
|
|