| # Copyright 2003, 2005, 2007 Dave Abrahams |
| # Copyright 2006, 2007 Rene Rivera |
| # Copyright 2003, 2004, 2005, 2006 Vladimir Prus |
| # Distributed under the Boost Software License, Version 1.0. |
| # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
| |
| # This file is part of Boost Build version 2. You can think of it as forming the |
| # main() routine. It is invoked by the bootstrapping code in bootstrap.jam. |
| |
| import build-request ; |
| import builtin ; |
| import "class" : new ; |
| import errors ; |
| import feature ; |
| import make ; |
| import modules ; |
| import os ; |
| import path ; |
| import project ; |
| import property-set ; |
| import regex ; |
| import sequence ; |
| import targets ; |
| import toolset ; |
| import utility ; |
| import version ; |
| import virtual-target ; |
| import generators ; |
| import configure ; |
| |
| ################################################################################ |
| # |
| # Module global data. |
| # |
| ################################################################################ |
| |
| # Shortcut used in this module for accessing used command-line parameters. |
| .argv = [ modules.peek : ARGV ] ; |
| |
| # Flag indicating we should display additional debugging information related to |
| # locating and loading Boost Build configuration files. |
| .debug-config = [ MATCH ^(--debug-configuration)$ : $(.argv) ] ; |
| |
| # Legacy option doing too many things, some of which are not even documented. |
| # Should be phased out. |
| # * Disables loading site and user configuration files. |
| # * Disables auto-configuration for toolsets specified explicitly on the |
| # command-line. |
| # * Causes --toolset command-line options to be ignored. |
| # * Prevents the default toolset from being used even if no toolset has been |
| # configured at all. |
| .legacy-ignore-config = [ MATCH ^(--ignore-config)$ : $(.argv) ] ; |
| |
| # The cleaning is tricky. Say, if user says 'bjam --clean foo' where 'foo' is a |
| # directory, then we want to clean targets which are in 'foo' as well as those |
| # in any children Jamfiles under foo but not in any unrelated Jamfiles. To |
| # achieve this we collect a list of projects under which cleaning is allowed. |
| .project-targets = ; |
| |
| # Virtual targets obtained when building main targets references on the command |
| # line. When running 'bjam --clean main_target' we want to clean only files |
| # belonging to that main target so we need to record which targets are produced |
| # for it. |
| .results-of-main-targets = ; |
| |
| # Was an XML dump requested? |
| .out-xml = [ MATCH ^--out-xml=(.*)$ : $(.argv) ] ; |
| |
| # Default toolset & version to be used in case no other toolset has been used |
| # explicitly by either the loaded configuration files, the loaded project build |
| # scripts or an explicit toolset request on the command line. If not specified, |
| # an arbitrary default will be used based on the current host OS. This value, |
| # while not strictly necessary, has been added to allow testing Boost-Build's |
| # default toolset usage functionality. |
| .default-toolset = ; |
| .default-toolset-version = ; |
| |
| |
| ################################################################################ |
| # |
| # Public rules. |
| # |
| ################################################################################ |
| |
| # Returns the property set with the free features from the currently processed |
| # build request. |
| # |
| rule command-line-free-features ( ) |
| { |
| return $(.command-line-free-features) ; |
| } |
| |
| |
| # Returns the location of the build system. The primary use case is building |
| # Boost where it is sometimes needed to get the location of other components |
| # (e.g. BoostBook files) and it is convenient to use locations relative to the |
| # Boost Build path. |
| # |
| rule location ( ) |
| { |
| local r = [ modules.binding build-system ] ; |
| return $(r:P) ; |
| } |
| |
| |
| # Sets the default toolset & version to be used in case no other toolset has |
| # been used explicitly by either the loaded configuration files, the loaded |
| # project build scripts or an explicit toolset request on the command line. For |
| # more detailed information see the comment related to used global variables. |
| # |
| rule set-default-toolset ( toolset : version ? ) |
| { |
| .default-toolset = $(toolset) ; |
| .default-toolset-version = $(version) ; |
| } |
| |
| rule set-pre-build-hook ( function ) |
| { |
| .pre-build-hook = $(function) ; |
| } |
| |
| rule set-post-build-hook ( function ) |
| { |
| .post-build-hook = $(function) ; |
| } |
| |
| ################################################################################ |
| # |
| # Local rules. |
| # |
| ################################################################################ |
| |
| # Returns actual Jam targets to be used for executing a clean request. |
| # |
| local rule actual-clean-targets ( ) |
| { |
| # Construct a list of projects explicitly detected as targets on this build |
| # system run. These are the projects under which cleaning is allowed. |
| for local t in $(targets) |
| { |
| if [ class.is-a $(t) : project-target ] |
| { |
| .project-targets += [ $(t).project-module ] ; |
| } |
| } |
| |
| # Construct a list of targets explicitly detected on this build system run |
| # as a result of building main targets. |
| local targets-to-clean ; |
| for local t in $(.results-of-main-targets) |
| { |
| # Do not include roots or sources. |
| targets-to-clean += [ virtual-target.traverse $(t) ] ; |
| } |
| targets-to-clean = [ sequence.unique $(targets-to-clean) ] ; |
| |
| local to-clean ; |
| for local t in [ virtual-target.all-targets ] |
| { |
| local p = [ $(t).project ] ; |
| |
| # Remove only derived targets. |
| if [ $(t).action ] |
| { |
| if $(t) in $(targets-to-clean) || |
| [ should-clean-project [ $(p).project-module ] ] = true |
| { |
| to-clean += $(t) ; |
| } |
| } |
| } |
| |
| local to-clean-actual ; |
| for local t in $(to-clean) |
| { |
| to-clean-actual += [ $(t).actualize ] ; |
| } |
| return $(to-clean-actual) ; |
| } |
| |
| |
| # Given a target id, try to find and return the corresponding target. This is |
| # only invoked when there is no Jamfile in ".". This code somewhat duplicates |
| # code in project-target.find but we can not reuse that code without a |
| # project-targets instance. |
| # |
| local rule find-target ( target-id ) |
| { |
| local split = [ MATCH (.*)//(.*) : $(target-id) ] ; |
| |
| local pm ; |
| if $(split) |
| { |
| pm = [ project.find $(split[1]) : "." ] ; |
| } |
| else |
| { |
| pm = [ project.find $(target-id) : "." ] ; |
| } |
| |
| local result ; |
| if $(pm) |
| { |
| result = [ project.target $(pm) ] ; |
| } |
| |
| if $(split) |
| { |
| result = [ $(result).find $(split[2]) ] ; |
| } |
| |
| return $(result) ; |
| } |
| |
| |
| # Initializes a new configuration module. |
| # |
| local rule initialize-config-module ( module-name ) |
| { |
| project.initialize $(module-name) ; |
| if USER_MODULE in [ RULENAMES ] |
| { |
| USER_MODULE $(module-name) ; |
| } |
| } |
| |
| |
| # Helper rule used to load configuration files. Loads the first configuration |
| # file with the given 'filename' at 'path' into module with name 'module-name'. |
| # Not finding the requested file may or may not be treated as an error depending |
| # on the must-find parameter. Returns a normalized path to the loaded |
| # configuration file or nothing if no file was loaded. |
| # |
| local rule load-config ( module-name : filename : path + : must-find ? ) |
| { |
| if $(.debug-config) |
| { |
| ECHO "notice: Searching" "$(path)" "for" "$(module-name)" |
| "configuration file" "$(filename)" "." ; |
| } |
| local where = [ GLOB $(path) : $(filename) ] ; |
| if $(where) |
| { |
| where = [ NORMALIZE_PATH $(where[1]) ] ; |
| if $(.debug-config) |
| { |
| ECHO "notice: Loading" "$(module-name)" "configuration file" |
| "$(filename)" "from" $(where) "." ; |
| } |
| |
| # Set source location so that path-constant in config files |
| # with relative paths work. This is of most importance |
| # for project-config.jam, but may be used in other |
| # config files as well. |
| local attributes = [ project.attributes $(module-name) ] ; |
| $(attributes).set source-location : $(where:D) : exact ; |
| modules.load $(module-name) : $(filename) : $(path) ; |
| project.load-used-projects $(module-name) ; |
| } |
| else |
| { |
| if $(must-find) |
| { |
| errors.user-error "Configuration file" "$(filename)" "not found in" |
| "$(path)" "." ; |
| } |
| if $(.debug-config) |
| { |
| ECHO "notice:" "Configuration file" "$(filename)" "not found in" |
| "$(path)" "." ; |
| } |
| } |
| return $(where) ; |
| } |
| |
| |
| # Loads all the configuration files used by Boost Build in the following order: |
| # |
| # -- test-config -- |
| # Loaded only if specified on the command-line using the --test-config |
| # command-line parameter. It is ok for this file not to exist even if specified. |
| # If this configuration file is loaded, regular site and user configuration |
| # files will not be. If a relative path is specified, file is searched for in |
| # the current folder. |
| # |
| # -- site-config -- |
| # Always named site-config.jam. Will only be found if located on the system |
| # root path (Windows), /etc (non-Windows), user's home folder or the Boost Build |
| # path, in that order. Not loaded in case the test-config configuration file is |
| # loaded or either the --ignore-site-config or the --ignore-config command-line |
| # option is specified. |
| # |
| # -- user-config -- |
| # Named user-config.jam by default or may be named explicitly using the |
| # --user-config command-line option or the BOOST_BUILD_USER_CONFIG environment |
| # variable. If named explicitly the file is looked for from the current working |
| # directory and if the default one is used then it is searched for in the |
| # user's home directory and the Boost Build path, in that order. Not loaded in |
| # case either the test-config configuration file is loaded, --ignore-config |
| # command-line option is specified or an empty file name is explicitly |
| # specified. If the file name has been given explicitly then the file must |
| # exist. |
| # |
| # Test configurations have been added primarily for use by Boost Build's |
| # internal unit testing system but may be used freely in other places as well. |
| # |
| local rule load-configuration-files |
| { |
| # Flag indicating that site configuration should not be loaded. |
| local ignore-site-config = |
| [ MATCH ^(--ignore-site-config)$ : $(.argv) ] ; |
| |
| if $(.legacy-ignore-config) && $(.debug-config) |
| { |
| ECHO "notice: Regular site and user configuration files will be ignored" ; |
| ECHO "notice: due to the --ignore-config command-line option." ; |
| } |
| |
| initialize-config-module test-config ; |
| local test-config = [ MATCH ^--test-config=(.*)$ : $(.argv) ] ; |
| local uq = [ MATCH \"(.*)\" : $(test-config) ] ; |
| if $(uq) |
| { |
| test-config = $(uq) ; |
| } |
| if $(test-config) |
| { |
| local where = |
| [ load-config test-config : $(test-config:BS) : $(test-config:D) ] ; |
| if $(where) |
| { |
| if $(.debug-config) && ! $(.legacy-ignore-config) |
| { |
| ECHO "notice: Regular site and user configuration files will" ; |
| ECHO "notice: be ignored due to the test configuration being" |
| "loaded." ; |
| } |
| } |
| else |
| { |
| test-config = ; |
| } |
| } |
| |
| local user-path = [ os.home-directories ] [ os.environ BOOST_BUILD_PATH ] ; |
| local site-path = /etc $(user-path) ; |
| if [ os.name ] in NT CYGWIN |
| { |
| site-path = [ modules.peek : SystemRoot ] $(user-path) ; |
| } |
| |
| if $(ignore-site-config) && !$(.legacy-ignore-config) |
| { |
| ECHO "notice: Site configuration files will be ignored due to the" ; |
| ECHO "notice: --ignore-site-config command-line option." ; |
| } |
| |
| initialize-config-module site-config ; |
| if ! $(test-config) && ! $(ignore-site-config) && ! $(.legacy-ignore-config) |
| { |
| load-config site-config : site-config.jam : $(site-path) ; |
| } |
| |
| initialize-config-module user-config ; |
| if ! $(test-config) && ! $(.legacy-ignore-config) |
| { |
| local user-config = [ MATCH ^--user-config=(.*)$ : $(.argv) ] ; |
| user-config = $(user-config[-1]) ; |
| user-config ?= [ os.environ BOOST_BUILD_USER_CONFIG ] ; |
| # Special handling for the case when the OS does not strip the quotes |
| # around the file name, as is the case when using Cygwin bash. |
| user-config = [ utility.unquote $(user-config) ] ; |
| local explicitly-requested = $(user-config) ; |
| user-config ?= user-config.jam ; |
| |
| if $(user-config) |
| { |
| if $(explicitly-requested) |
| { |
| # Treat explicitly entered user paths as native OS path |
| # references and, if non-absolute, root them at the current |
| # working directory. |
| user-config = [ path.make $(user-config) ] ; |
| user-config = [ path.root $(user-config) [ path.pwd ] ] ; |
| user-config = [ path.native $(user-config) ] ; |
| |
| if $(.debug-config) |
| { |
| ECHO "notice: Loading explicitly specified user" |
| "configuration file:" ; |
| ECHO " $(user-config)" ; |
| } |
| |
| load-config user-config : $(user-config:BS) : $(user-config:D) |
| : must-exist ; |
| } |
| else |
| { |
| load-config user-config : $(user-config) : $(user-path) ; |
| } |
| } |
| else if $(.debug-config) |
| { |
| ECHO "notice: User configuration file loading explicitly disabled." ; |
| } |
| } |
| |
| # We look for project-config.jam from "." upward. |
| # I am not sure this is 100% right decision, we might as well check for |
| # it only alonside the Jamroot file. However: |
| # |
| # - We need to load project-root.jam before Jamroot |
| # - We probably would need to load project-root.jam even if there's no |
| # Jamroot - e.g. to implement automake-style out-of-tree builds. |
| local file = [ path.glob "." : project-config.jam ] ; |
| if ! $(file) |
| { |
| file = [ path.glob-in-parents "." : project-config.jam ] ; |
| } |
| if $(file) |
| { |
| initialize-config-module project-config ; |
| load-config project-config : project-config.jam : $(file:D) ; |
| } |
| } |
| |
| |
| # Autoconfigure toolsets based on any instances of --toolset=xx,yy,...zz or |
| # toolset=xx,yy,...zz in the command line. May return additional properties to |
| # be processed as if they had been specified by the user. |
| # |
| local rule process-explicit-toolset-requests |
| { |
| local extra-properties ; |
| |
| local option-toolsets = [ regex.split-list [ MATCH ^--toolset=(.*)$ : $(.argv) ] : "," ] ; |
| local feature-toolsets = [ regex.split-list [ MATCH ^toolset=(.*)$ : $(.argv) ] : "," ] ; |
| |
| for local t in $(option-toolsets) $(feature-toolsets) |
| { |
| # Parse toolset-version/properties. |
| local (t-v,t,v) = [ MATCH (([^-/]+)-?([^/]+)?)/?.* : $(t) ] ; |
| local toolset-version = $((t-v,t,v)[1]) ; |
| local toolset = $((t-v,t,v)[2]) ; |
| local version = $((t-v,t,v)[3]) ; |
| |
| if $(.debug-config) |
| { |
| ECHO notice: [cmdline-cfg] Detected command-line request for |
| $(toolset-version): "toolset=" $(toolset) "version=" |
| $(version) ; |
| } |
| |
| # If the toolset is not known, configure it now. |
| local known ; |
| if $(toolset) in [ feature.values <toolset> ] |
| { |
| known = true ; |
| } |
| if $(known) && $(version) && ! [ feature.is-subvalue toolset |
| : $(toolset) : version : $(version) ] |
| { |
| known = ; |
| } |
| # TODO: we should do 'using $(toolset)' in case no version has been |
| # specified and there are no versions defined for the given toolset to |
| # allow the toolset to configure its default version. For this we need |
| # to know how to detect whether a given toolset has any versions |
| # defined. An alternative would be to do this whenever version is not |
| # specified but that would require that toolsets correctly handle the |
| # case when their default version is configured multiple times which |
| # should be checked for all existing toolsets first. |
| |
| if ! $(known) |
| { |
| if $(.debug-config) |
| { |
| ECHO "notice: [cmdline-cfg] toolset $(toolset-version) not" |
| "previously configured; attempting to auto-configure now" ; |
| } |
| toolset.using $(toolset) : $(version) ; |
| } |
| else |
| { |
| if $(.debug-config) |
| { |
| ECHO notice: [cmdline-cfg] toolset $(toolset-version) already |
| configured ; |
| } |
| } |
| |
| # Make sure we get an appropriate property into the build request in |
| # case toolset has been specified using the "--toolset=..." command-line |
| # option form. |
| if ! $(t) in $(.argv) && ! $(t) in $(feature-toolsets) |
| { |
| if $(.debug-config) |
| { |
| ECHO notice: [cmdline-cfg] adding toolset=$(t) to the build |
| request. ; |
| } |
| extra-properties += toolset=$(t) ; |
| } |
| } |
| |
| return $(extra-properties) ; |
| } |
| |
| |
| # Returns 'true' if the given 'project' is equal to or is a (possibly indirect) |
| # child to any of the projects requested to be cleaned in this build system run. |
| # Returns 'false' otherwise. Expects the .project-targets list to have already |
| # been constructed. |
| # |
| local rule should-clean-project ( project ) |
| { |
| if ! $(.should-clean-project.$(project)) |
| { |
| local r = false ; |
| if $(project) in $(.project-targets) |
| { |
| r = true ; |
| } |
| else |
| { |
| local parent = [ project.attribute $(project) parent-module ] ; |
| if $(parent) && $(parent) != user-config |
| { |
| r = [ should-clean-project $(parent) ] ; |
| } |
| } |
| .should-clean-project.$(project) = $(r) ; |
| } |
| |
| return $(.should-clean-project.$(project)) ; |
| } |
| |
| |
| ################################################################################ |
| # |
| # main() |
| # ------ |
| # |
| ################################################################################ |
| |
| { |
| if --version in $(.argv) |
| { |
| version.print ; |
| EXIT ; |
| } |
| |
| |
| load-configuration-files ; |
| |
| local extra-properties ; |
| # Note that this causes --toolset options to be ignored if --ignore-config |
| # is specified. |
| if ! $(.legacy-ignore-config) |
| { |
| extra-properties = [ process-explicit-toolset-requests ] ; |
| } |
| |
| |
| # We always load project in "." so that 'use-project' directives have any |
| # chance of being seen. Otherwise, we would not be able to refer to |
| # subprojects using target ids. |
| local current-project ; |
| if [ project.find "." : "." ] |
| { |
| current-project = [ project.target [ project.load "." ] ] ; |
| } |
| |
| |
| # In case there are no toolsets currently defined makes the build run using |
| # the default toolset. |
| if ! $(.legacy-ignore-config) && ! [ feature.values <toolset> ] |
| { |
| local default-toolset = $(.default-toolset) ; |
| local default-toolset-version = ; |
| if $(default-toolset) |
| { |
| default-toolset-version = $(.default-toolset-version) ; |
| } |
| else |
| { |
| default-toolset = gcc ; |
| if [ os.name ] = NT |
| { |
| default-toolset = msvc ; |
| } |
| else if [ os.name ] = MACOSX |
| { |
| default-toolset = darwin ; |
| } |
| } |
| |
| ECHO "warning: No toolsets are configured." ; |
| ECHO "warning: Configuring default toolset" \"$(default-toolset)\". ; |
| ECHO "warning: If the default is wrong, your build may not work correctly." ; |
| ECHO "warning: Use the \"toolset=xxxxx\" option to override our guess." ; |
| ECHO "warning: For more configuration options, please consult" ; |
| ECHO "warning: http://boost.org/boost-build2/doc/html/bbv2/advanced/configuration.html" ; |
| |
| toolset.using $(default-toolset) : $(default-toolset-version) ; |
| } |
| |
| |
| # Parse command line for targets and properties. Note that this requires |
| # that all project files already be loaded. |
| local build-request = [ build-request.from-command-line $(.argv) |
| $(extra-properties) ] ; |
| local target-ids = [ $(build-request).get-at 1 ] ; |
| local properties = [ $(build-request).get-at 2 ] ; |
| |
| |
| # 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 jam = [ version.jam ] ; |
| 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) <jam version=\"$(jam:J=.)\" />" |
| "$(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) ; |
| } |
| } |
| } |
