import modules ; import option ; import os ; import path ; import project ; import build-system ; import version ; #Shell with trailing line removed http://lists.boost.org/boost-build/2007/08/17051.php rule trim-nl ( str extras * ) { return [ MATCH "([^ ]*)" : $(str) ] $(extras) ; } rule _shell ( cmd : extras * ) { return [ trim-nl [ SHELL $(cmd) : $(extras) ] ] ; } cxxflags = [ os.environ "CXXFLAGS" ] ; cflags = [ os.environ "CFLAGS" ] ; ldflags = [ os.environ "LDFLAGS" ] ; #Run g++ with empty main and these arguments to see if it passes. rule test_flags ( flags * ) { flags = $(cxxflags) $(ldflags) $(flags) ; local cmd = "bash -c \"g++ "$(flags:J=" ")" -x c++ - <<<'int main() {}' -o /dev/null >/dev/null 2>/dev/null\"" ; local ret = [ SHELL $(cmd) : exit-status ] ; if --debug-configuration in [ modules.peek : ARGV ] { echo $(cmd) ; echo $(ret) ; } if $(ret[2]) = 0 { return true ; } else { return ; } } rule test_header ( name ) { return [ test_flags "-include $(name)" ] ; } rule test_library ( name ) { return [ test_flags "-l$(name)" ] ; } { local cleaning = [ option.get "clean" : : yes ] ; cleaning ?= [ option.get "clean-all" : no : yes ] ; if "clean" in [ modules.peek : ARGV ] { cleaning = yes ; } constant CLEANING : $(cleaning) ; } requirements = ; FORCE-STATIC = [ option.get "static" : : "yes" ] ; if $(FORCE-STATIC) { requirements += static ; } #Determine if a library can be compiled statically. rule auto-shared ( name : additional * ) { additional ?= "" ; if [ test_flags $(additional)" -static -l"$(name) ] { return ; } else { if $(FORCE-STATIC) { echo "Could not statically link against lib $(name). Your build will probably fail." ; return ; } else { return "shared" ; } } } # MacPorts' default location is /opt/local -- use this if no path is given. with-macports = [ option.get "with-macports" : : "/opt/local" ] ; if $(with-macports) { using darwin ; ECHO "Using --with-macports=$(with-macports), implying use of darwin GCC" ; L-boost-search = -L$(with-macports)/lib ; boost-search = $(with-macports)/lib ; I-boost-include = -I$(with-macports)/include ; boost-include = $(with-macports)/include ; } else { with-boost = [ option.get "with-boost" ] ; with-boost ?= [ os.environ "BOOST_ROOT" ] ; if $(with-boost) { L-boost-search = -L$(with-boost)/lib" "-L$(with-boost)/lib64 ; boost-search = $(with-boost)/lib $(with-boost)/lib64 ; I-boost-include = -I$(with-boost)/include ; boost-include = $(with-boost)/include ; } else { L-boost-search = "" ; boost-search = ; I-boost-include = "" ; boost-include = ; } } #Convenience rule for boost libraries. Defines library boost_$(name). rule boost-lib ( name macro : deps * ) { #Link multi-threaded programs against the -mt version if available. Old #versions of boost do not have -mt tagged versions of all libraries. Sadly, #boost.jam does not handle this correctly. if [ test_flags $(L-boost-search)" -lboost_"$(name)"-mt$(boost-lib-version)" ] { lib inner_boost_$(name) : : single $(boost-search) boost_$(name)$(boost-lib-version) : : $(deps) ; lib inner_boost_$(name) : : multi $(boost-search) boost_$(name)-mt$(boost-lib-version) : : $(deps) ; } else { lib inner_boost_$(name) : : $(boost-search) boost_$(name)$(boost-lib-version) : : $(deps) ; } alias boost_$(name) : inner_boost_$(name) : $(boost-auto-shared) : : shared:BOOST_$(macro) $(boost-include) ; } #Argument is e.g. 103600 rule boost ( min-version ) { local cmd = "bash -c \"g++ "$(I-boost-include)" -dM -x c++ -E /dev/null -include boost/version.hpp 2>/dev/null |grep '#define BOOST_'\"" ; local boost-shell = [ SHELL "$(cmd)" : exit-status ] ; if $(boost-shell[2]) != 0 && $(CLEANING) = no { echo Failed to run "$(cmd)" ; exit Boost does not seem to be installed or g++ is confused. : 1 ; } boost-version = [ MATCH "#define BOOST_VERSION ([0-9]*)" : $(boost-shell[1]) ] ; if $(boost-version) < $(min-version) && $(CLEANING) = no { exit You have Boost $(boost-version). This package requires Boost at least $(min-version) (and preferably newer). : 1 ; } # If matching version tags exist, use them. boost-lib-version = [ MATCH "#define BOOST_LIB_VERSION \"([^\"]*)\"" : $(boost-shell[1]) ] ; if [ test_flags $(L-boost-search)" -lboost_program_options-"$(boost-lib-version) ] { boost-lib-version = "-"$(boost-lib-version) ; } else { boost-lib-version = "" ; } #Are we linking static binaries against shared boost? boost-auto-shared = [ auto-shared "boost_program_options"$(boost-lib-version) : $(L-boost-search) ] ; #See tools/build/v2/contrib/boost.jam in a boost distribution for a table of macros to define. boost-lib system SYSTEM_DYN_LINK ; boost-lib thread THREAD_DYN_DLL : boost_system ; boost-lib program_options PROGRAM_OPTIONS_DYN_LINK ; boost-lib unit_test_framework TEST_DYN_LINK ; boost-lib iostreams IOSTREAMS_DYN_LINK ; boost-lib filesystem FILE_SYSTEM_DYN_LINK ; } #Link normally to a library, but sometimes static isn't installed so fall back to dynamic. rule external-lib ( name : search-path * ) { lib $(name) : : [ auto-shared $(name) : "-L"$(search-path) ] $(search-path) ; } #Write the current command line to previous.sh. This does not do shell escaping. { local build-log = $(TOP)/previous.sh ; if ! [ path.exists $(build-log) ] { SHELL "touch $(build-log) && chmod +x $(build-log)" ; } local script = [ modules.peek : ARGV ] ; if $(script[1]) = "./jam-files/bjam" { #The ./bjam shell script calls ./jam-files/bjam so that appears in argv but #we want ./bjam to appear so the environment variables are set correctly. script = "./bjam "$(script[2-]:J=" ") ; } else { script = $(script:J=" ") ; } script = "#!/bin/sh\n$(script)\n" ; local ignored = @($(build-log):E=$(script)) ; } #Boost jam's static clang for Linux is buggy. requirements += $(cxxflags) $(cflags) $(ldflags) LINUX,clang:shared ; if ! [ option.get "without-libsegfault" : : "yes" ] && ! $(FORCE-STATIC) { #libSegFault prints a stack trace on segfault. Link against it if available. if [ test_flags "-lSegFault" ] { external-lib SegFault ; requirements += SegFault ; } } if [ option.get "git" : : "yes" ] { local revision = [ _shell "git rev-parse --verify HEAD |head -c 7" ] ; constant GITTAG : "/"$(revision) ; } else { constant GITTAG : "" ; } prefix = [ option.get "prefix" ] ; if $(prefix) { prefix = [ path.root $(prefix) [ path.pwd ] ] ; prefix = $(prefix)$(GITTAG) ; } else { prefix = $(TOP)$(GITTAG) ; } bindir = [ option.get "bindir" : $(prefix)/bin ] ; libdir = [ option.get "libdir" : $(prefix)/lib ] ; rule install-bin-libs ( deps * ) { install prefix-bin : $(deps) : $(bindir) on EXE shared:$(libdir) ; install prefix-lib : $(deps) : $(libdir) on LIB shared:$(libdir) ; } rule install-headers ( name : list * : source-root ? ) { local includedir = [ option.get "includedir" : $(prefix)/include ] ; source-root ?= "." ; install $(name) : $(list) : $(includedir) $(source-root) ; } rule build-projects ( projects * ) { for local p in $(projects) { build-project $(p) ; } } #Only one post build hook is allowed. Allow multiple. post-hooks = ; rule post-build ( ok ? ) { for local r in $(post-hooks) { $(r) $(ok) ; } } IMPORT $(__name__) : post-build : : $(__name__).post-build ; build-system.set-post-build-hook $(__name__).post-build ; rule add-post-hook ( names * ) { post-hooks += $(names) ; } #Backend for writing content to files after build completes. post-files = ; post-contents = ; rule save-post-build ( ok ? ) { if $(ok) { while $(post-files) { local ignored = @($(post-files[1]):E=$(post-contents[1])) ; post-files = $(post-files[2-]) ; post-contents = $(post-contents[2-]) ; } } } add-post-hook save-post-build ; #Queue content to be written to file when build completes successfully. rule add-post-write ( name content ) { post-files += $(name) ; post-contents += $(content) ; } #Compare contents of file with current. If they're different, force the targets to rebuild then overwrite the file. rule always-if-changed ( file current : targets * ) { local previous = inconsistent ; if [ path.exists $(file) ] { previous = [ _shell "cat $(file)" ] ; } if $(current) != $(previous) { #Write inconsistent while the build is running if [ path.exists $(file) ] { local ignored = @($(file):E=inconsistent) ; } add-post-write $(file) $(current) ; for local i in $(targets) { always $(i) ; } } } if [ option.get "sanity-test" : : "yes" ] { local current_version = [ modules.peek : JAM_VERSION ] ; if ( $(current_version[0]) < 2000 && [ version.check-jam-version 3 1 16 ] ) || [ version.check-jam-version 2011 0 0 ] { EXIT "Sane" : 0 ; } else { EXIT "Bad" : 1 ; } }