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Diffstat (limited to 'jam-files/boost-build/build/configure.jam')
| -rw-r--r-- | jam-files/boost-build/build/configure.jam | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/jam-files/boost-build/build/configure.jam b/jam-files/boost-build/build/configure.jam new file mode 100644 index 00000000..14c1328a --- /dev/null +++ b/jam-files/boost-build/build/configure.jam @@ -0,0 +1,237 @@ +# Copyright (c) 2010 Vladimir Prus. +# +# Use, modification and distribution is subject to the Boost Software +# License Version 1.0. (See accompanying file LICENSE_1_0.txt or +# http://www.boost.org/LICENSE_1_0.txt) + +# This module defines function to help with two main tasks: +# +# - Discovering build-time configuration for the purposes of adjusting +# build process. +# - Reporting what is built, and how it is configured. + +import targets ; +import errors ; +import targets ; +import sequence ; +import property ; +import property-set ; +import "class" : new ; +import common ; +import path ; + +rule log-summary ( ) +{ + +} + +.width = 30 ; + +rule set-width ( width ) +{ + .width = $(width) ; +} + +# Declare that the components specified by the parameter exist. +rule register-components ( components * ) +{ + .components += $(components) ; +} + +# Declare that the components specified by the parameters will +# be build. +rule components-building ( components * ) +{ + .built-components += $(components) ; +} + +# Report something about component configuration that the +# user should better know. +rule log-component-configuration ( component : message ) +{ + # FIXME: implement per-property-set logs + .component-logs.$(component) += $(message) ; +} + + + +rule log-check-result ( result ) +{ + if ! $(.announced-checks) + { + ECHO "Performing configuration checks\n" ; + .announced-checks = 1 ; + } + + ECHO $(result) ; + #.check-results += $(result) ; +} + +rule log-library-search-result ( library : result ) +{ + local x = [ PAD " - $(library) : $(result)" : $(.width) ] ; + log-check-result "$(x)" ; +} + +rule print-component-configuration ( ) +{ + local c = [ sequence.unique $(.components) ] ; + + ECHO "\nComponent configuration:\n" ; + for c in $(.components) + { + local s ; + if $(c) in $(.built-components) + { + s = "building" ; + } + else + { + s = "not building" ; + } + ECHO [ PAD " - $(c)" : $(.width) ] ": $(s)" ; + for local m in $(.component-logs.$(c)) + { + ECHO " -" $(m) ; + } + } + ECHO ; +} + +rule print-configure-checks-summary ( ) +{ + # FIXME: the problem with that approach is tha + # the user sees checks summary when all checks are + # done, and has no progress reporting while the + # checks are being executed. + if $(.check-results) + { + ECHO "Configuration checks summary\n" ; + + for local r in $(.check-results) + { + ECHO $(r) ; + } + ECHO ; + } +} + +# Attempt to build a metatarget named by 'metatarget-reference' +# in context of 'project' with properties 'ps'. +# Returns non-empty value if build is OK. +rule builds-raw ( metatarget-reference : project : ps : what : retry ? ) +{ + local result ; + + if ! $(retry) && ! $(.$(what)-tested.$(ps)) + { + .$(what)-tested.$(ps) = true ; + + local targets = [ targets.generate-from-reference + $(metatarget-reference) : $(project) : $(ps) ] ; + + local jam-targets ; + for local t in $(targets[2-]) + { + jam-targets += [ $(t).actualize ] ; + } + + if ! UPDATE_NOW in [ RULENAMES ] + { + # Cannot determine. Assume existance. + } + else + { + local x = [ PAD " - $(what)" : $(.width) ] ; + if [ UPDATE_NOW $(jam-targets) : + $(.log-fd) : ignore-minus-n : ignore-minus-q ] + { + .$(what)-supported.$(ps) = yes ; + result = true ; + log-check-result "$(x) : yes" ; + } + else + { + log-check-result "$(x) : no" ; + } + } + return $(result) ; + } + else + { + return $(.$(what)-supported.$(ps)) ; + } +} + +rule builds ( metatarget-reference : properties * : what ? : retry ? ) +{ + what ?= "$(metatarget-reference) builds" ; + + # FIXME: this should not be hardcoded. Other checks might + # want to consider different set of features as relevant. + local toolset = [ property.select <toolset> : $(properties) ] ; + local toolset-version-property = "<toolset-$(toolset:G=):version>" ; + local relevant = [ property.select <target-os> <toolset> $(toolset-version-property) + <address-model> <architecture> + : $(properties) ] ; + local ps = [ property-set.create $(relevant) ] ; + local t = [ targets.current ] ; + local p = [ $(t).project ] ; + + return [ builds-raw $(metatarget-reference) : $(p) : $(ps) : $(what) : $(retry) ] ; +} + + +# Called by Boost.Build startup code to specify name of a file +# that will receive results of configure checks. This +# should never be called by users. +rule set-log-file ( log-file ) +{ + path.makedirs [ path.parent $(log-file) ] ; + + .log-fd = [ FILE_OPEN $(log-file) : "w" ] ; +} + +# Frontend rules + +class check-target-builds-worker +{ + import configure ; + import property-set ; + import targets ; + import property ; + + rule __init__ ( target message ? : true-properties * : false-properties * ) + { + self.target = $(target) ; + self.message = $(message) ; + self.true-properties = $(true-properties) ; + self.false-properties = $(false-properties) ; + } + + rule check ( properties * ) + { + local choosen ; + if [ configure.builds $(self.target) : $(properties) : $(self.message) ] + { + choosen = $(self.true-properties) ; + } + else + { + choosen = $(self.false-properties) ; + } + return [ property.evaluate-conditionals-in-context $(choosen) : $(properties) ] ; + } +} + + +rule check-target-builds ( target message ? : true-properties * : false-properties * ) +{ + local instance = [ new check-target-builds-worker $(target) $(message) : $(true-properties) + : $(false-properties) ] ; + return <conditional>@$(instance).check ; +} + +IMPORT $(__name__) : check-target-builds : : check-target-builds ; + + |