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) ] ] ;
}
rule shell_or_fail ( cmd ) {
local ret = [ SHELL $(cmd) : exit-status ] ;
if $(ret[2]) != 0 {
exit $(cmd) failed : 1 ;
}
}
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 $(TOP)/dummy >/dev/null 2>/dev/null && rm $(TOP)/dummy 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)" ] ;
}
requirements = ;
FORCE-STATIC = [ option.get "static" : : "yes" ] ;
if $(FORCE-STATIC) {
requirements += static static ;
}
rule test_library ( name ) {
if $(FORCE-STATIC) {
return [ test_flags "-l$(name) -static" ] ;
} else {
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) ;
}
#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 ;
}
#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 : "" ;
}
local prefix = [ option.get "prefix" ] ;
if $(prefix) {
prefix = [ path.root $(prefix) [ path.pwd ] ] ;
prefix = $(prefix)$(GITTAG) ;
} else {
prefix = $(TOP)$(GITTAG) ;
}
path-constant PREFIX : $(prefix) ;
path-constant BINDIR : [ option.get "bindir" : $(PREFIX)/bin ] ;
path-constant 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 += $(names) ;
}
import feature : feature ;
feature options-to-write : : free ;
import toolset : flags ;
flags write-options OPTIONS-TO-WRITE ;
actions write-options {
echo "$(OPTIONS-TO-WRITE)" > $(<) ;
}
#Compare contents of file with current. If they're different, write to the
#file. This file can then be used with $(file) to force
#recompilation.
rule update-if-changed ( file current ) {
if ( ! [ path.exists $(file) ] ) || ( [ _shell "cat $(file)" ] != $(current) ) {
make $(file) : : $(__name__).write-options : $(current) ;
always $(file) ;
}
}
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 ;
}
}
#Hack to act like alias in the sense that no lib is built, but only build cpp files once.
import type ;
rule fakelib ( name : deps * : requirements * : default-build * : usage-requirements * ) {
local c-files = ;
local real-deps = ;
for local c in $(deps) {
if [ type.type $(c) ] = CPP {
c-files += $(c) ;
} else {
real-deps += $(c) ;
}
}
for local c in $(c-files) {
obj $(c:B).o : $(c) $(real-deps) : $(requirements) : $(default-build) : $(usage_requirements) ;
}
alias $(name) : $(c-files:B).o $(real-deps) : $(requirements) : $(default-build) : $(usage-requirements) ;
}
use-project /top : . ;