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# $Id: Jamfile.v2 42230 2007-12-21 11:51:05Z anthonyw $
# Copyright 2006-2007 Roland Schwarz.
# Copyright 2007 Anthony Williams
# Distributed under the Boost Software License, Version 1.0. (See
# accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#########################################################################
# The boost threading library can be built on top of different API's
# Currently this is the win32 API and the pthreads API.
# Pthread is native on unix variants.
# To get pthread on windows you need the pthread win32 library
# http://sourceware.org/pthreads-win32 which is available under LGPL.
#
# You need to provide the include path and lib path in the variables
# PTW32_INCLUDE and PTW32_LIB respectively. You can specify these
# paths in site-config.jam, user-config.jam or in the environment.
# A new feature is provided to request a specific API:
# <threadapi>win32 and <threadapi)pthread.
#
# The naming of the resulting libraries is mostly the same for the
# variant native to the build platform, i.e.
# boost_thread and the boost specific tagging.
# For the library variant that is not native on the build platform
# an additional tag is applied:
# boost_thread_pthread for the pthread variant on windows, and
# boost_thread_win32 for the win32 variant (likely when built on cygwin).
#
# To request the pthread variant on windows, from boost root you would
# say e.g:
# bjam msvc-8.0 --with-thread install threadapi=pthread
#########################################################################
import os ;
import feature ;
import indirect ;
import path ;
project boost/thread
: source-location ../src
: requirements <threading>multi
<link>static:<define>BOOST_THREAD_BUILD_LIB=1
<link>shared:<define>BOOST_THREAD_BUILD_DLL=1
-<tag>@$(BOOST_JAMROOT_MODULE)%$(BOOST_JAMROOT_MODULE).tag
<tag>@$(__name__).tag
: default-build <threading>multi
;
local rule default_threadapi ( )
{
local api = pthread ;
if [ os.name ] = "NT" { api = win32 ; }
return $(api) ;
}
feature.feature threadapi : pthread win32 : propagated ;
feature.set-default threadapi : [ default_threadapi ] ;
rule tag ( name : type ? : property-set )
{
local result = $(name) ;
if $(type) in STATIC_LIB SHARED_LIB IMPORT_LIB
{
local api = [ $(property-set).get <threadapi> ] ;
# non native api gets additional tag
if $(api) != [ default_threadapi ] {
result = $(result)_$(api) ;
}
}
# forward to the boost tagging rule
return [ indirect.call $(BOOST_JAMROOT_MODULE)%$(BOOST_JAMROOT_MODULE).tag
$(result) : $(type) : $(property-set) ] ;
}
rule win32_pthread_paths ( properties * )
{
local result ;
local PTW32_INCLUDE ;
local PTW32_LIB ;
PTW32_INCLUDE = [ modules.peek : PTW32_INCLUDE ] ;
PTW32_LIB = [ modules.peek : PTW32_LIB ] ;
PTW32_INCLUDE ?= [ modules.peek user-config : PTW32_INCLUDE ] ;
PTW32_LIB ?= [ modules.peek user-config : PTW32_LIB ] ;
PTW32_INCLUDE ?= [ modules.peek site-config : PTW32_INCLUDE ] ;
PTW32_LIB ?= [ modules.peek site-config : PTW32_LIB ] ;
if ! ( $(PTW32_INCLUDE) && $(PTW32_LIB) )
{
if ! $(.notified)
{
echo "************************************************************" ;
echo "Trying to build Boost.Thread with pthread support." ;
echo "If you need pthread you should specify the paths." ;
echo "You can specify them in site-config.jam, user-config.jam" ;
echo "or in the environment." ;
echo "For example:" ;
echo "PTW32_INCLUDE=C:\\Program Files\\ptw32\\Pre-built2\\include" ;
echo "PTW32_LIB=C:\\Program Files\\ptw32\\Pre-built2\\lib" ;
echo "************************************************************" ;
.notified = true ;
}
}
else
{
local include_path = [ path.make $(PTW32_INCLUDE) ] ;
local lib_path = [ path.make $(PTW32_LIB) ] ;
local libname = pthread ;
if <toolset>msvc in $(properties)
{
libname = $(libname)VC2.lib ;
}
if <toolset>gcc in $(properties)
{
libname = lib$(libname)GC2.a ;
}
lib_path = [ path.glob $(lib_path) : $(libname) ] ;
if ! $(lib_path)
{
if ! $(.notified)
{
echo "************************************************************" ;
echo "Trying to build Boost.Thread with pthread support." ;
echo "But the library" $(libname) "could not be found in path" ;
echo $(PTW32_LIB) ;
echo "************************************************************" ;
.notified = true ;
}
}
else
{
result += <include>$(include_path) ;
result += <library>$(lib_path) ;
}
}
return $(result) ;
}
rule usage-requirements ( properties * )
{
local result ;
if <threadapi>pthread in $(properties)
{
result += <define>BOOST_THREAD_POSIX ;
if <target-os>windows in $(properties)
{
result += [ win32_pthread_paths $(properties) ] ;
# TODO: What is for static linking? Is the <library> also needed
# in that case?
}
}
return $(result) ;
}
rule requirements ( properties * )
{
local result ;
if <threadapi>pthread in $(properties)
{
result += <define>BOOST_THREAD_POSIX ;
if <target-os>windows in $(properties)
{
local paths = [ win32_pthread_paths $(properties) ] ;
if $(paths)
{
result += $(paths) ;
}
else
{
result = <build>no ;
}
}
}
return $(result) ;
}
alias thread_sources
: ## win32 sources ##
win32/thread.cpp
win32/exceptions.cpp
win32/tss_dll.cpp
win32/tss_pe.cpp
: ## requirements ##
<threadapi>win32
;
alias thread_sources
: ## pthread sources ##
pthread/thread.cpp
pthread/exceptions.cpp
pthread/once.cpp
: ## requirements ##
<threadapi>pthread
;
explicit thread_sources ;
lib boost_thread
: thread_sources
: <conditional>@requirements
:
: <link>shared:<define>BOOST_THREAD_USE_DLL=1
<link>static:<define>BOOST_THREAD_USE_LIB=1
<conditional>@usage-requirements
;
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