FM / tools

/usr/share/boost-build/src/tools

Name	Size	Mode	Actions
doxygen/	-	0755	rm
features/	-	0755	rm
generators/	-	0755	rm
types/	-	0755	rm
xsltproc/	-	0755	rm
acc.jam	4800	0644	edit dl rm
asciidoctor.jam	6480	0644	edit dl rm
auto-index.jam	8324	0644	edit dl rm
bison.jam	589	0644	edit dl rm
boostbook-config.jam	389	0644	edit dl rm
boostbook.jam	24056	0644	edit dl rm
borland.jam	9992	0644	edit dl rm
builtin.jam	3037	0644	edit dl rm
bzip2.jam	8066	0644	edit dl rm
cast.jam	3237	0644	edit dl rm
clang-darwin.jam	6713	0644	edit dl rm
clang-linux.jam	9984	0644	edit dl rm
clang-vxworks.jam	4026	0644	edit dl rm
clang-win.jam	6094	0644	edit dl rm
clang.jam	2310	0644	edit dl rm
common.jam	31679	0644	edit dl rm
como-linux.jam	3528	0644	edit dl rm
como-win.jam	4237	0644	edit dl rm
como.jam	2063	0644	edit dl rm
convert.jam	1987	0644	edit dl rm
cray.jam	41128	0644	edit dl rm
cw-config.jam	1283	0644	edit dl rm
cw.jam	9549	0644	edit dl rm
cygwin.jam	403	0644	edit dl rm
darwin.jam	22165	0644	edit dl rm
diab.jam	4307	0644	edit dl rm
dmc.jam	6094	0644	edit dl rm
docutils.jam	3444	0644	edit dl rm
doxproc.py	36621	0644	edit dl rm
doxygen-config.jam	388	0644	edit dl rm
doxygen.jam	24745	0644	edit dl rm
embarcadero.jam	21487	0644	edit dl rm
emscripten.jam	3779	0644	edit dl rm
flags.jam	4570	0644	edit dl rm
fop.jam	1693	0644	edit dl rm
fortran.jam	1989	0644	edit dl rm
gcc.jam	55288	0644	edit dl rm
generate.jam	3339	0644	edit dl rm
gettext.jam	7663	0644	edit dl rm
gfortran.jam	1008	0644	edit dl rm
hpfortran.jam	902	0644	edit dl rm
hp_cxx.jam	8089	0644	edit dl rm
ifort.jam	1495	0644	edit dl rm
intel-darwin.jam	9785	0644	edit dl rm
intel-linux.jam	9193	0644	edit dl rm
intel-vxworks.jam	7085	0644	edit dl rm
intel-win.jam	16396	0644	edit dl rm
intel.jam	2626	0644	edit dl rm
lex.jam	559	0644	edit dl rm
libjpeg.jam	7362	0644	edit dl rm
libpng.jam	7104	0644	edit dl rm
libtiff.jam	7208	0644	edit dl rm
link.jam	15021	0644	edit dl rm
lzma.jam	3277	0644	edit dl rm
make.jam	2266	0644	edit dl rm
mc.jam	1311	0644	edit dl rm
message.jam	1667	0644	edit dl rm
midl.jam	5367	0644	edit dl rm
mipspro.jam	5291	0644	edit dl rm
mpi.jam	21826	0644	edit dl rm
msvc-config.jam	393	0644	edit dl rm
msvc.jam	84672	0644	edit dl rm
notfile.jam	1654	0644	edit dl rm
openssl.jam	3613	0644	edit dl rm
package.jam	9281	0644	edit dl rm
pathscale.jam	6629	0644	edit dl rm
pch.jam	2719	0644	edit dl rm
pgi.jam	4879	0644	edit dl rm
pkg-config.jam	13443	0644	edit dl rm
python-config.jam	836	0644	edit dl rm
python.jam	43679	0644	edit dl rm
qcc.jam	10836	0644	edit dl rm
qt.jam	530	0644	edit dl rm
qt3.jam	6810	0644	edit dl rm
qt4.jam	23974	0644	edit dl rm
qt5.jam	26517	0644	edit dl rm
quickbook-config.jam	1266	0644	edit dl rm
quickbook.jam	13277	0644	edit dl rm
rc.jam	5364	0644	edit dl rm
sass.jam	5702	0644	edit dl rm
saxonhe.jam	1329	0644	edit dl rm
stage.jam	28513	0644	edit dl rm
stlport.jam	11880	0644	edit dl rm
sun.jam	8054	0644	edit dl rm
symlink.jam	4351	0644	edit dl rm
testing-aux.jam	10238	0644	edit dl rm
testing.jam	27889	0644	edit dl rm
unix.jam	5847	0644	edit dl rm
vacpp.jam	5725	0644	edit dl rm
vmsdecc.jam	20185	0644	edit dl rm
whale.jam	3253	0644	edit dl rm
xlcpp.jam	6121	0644	edit dl rm
xlf.jam	900	0644	edit dl rm
xsltproc-config.jam	838	0644	edit dl rm
xsltproc.jam	5603	0644	edit dl rm
zlib.jam	6976	0644	edit dl rm
zstd.jam	2446	0644	edit dl rm

Edit: /usr/share/boost-build/src/tools/darwin.jam (22165B)

# Copyright 2003 Christopher Currie
# Copyright 2006 Dave Abrahams 
# Copyright 2003, 2004, 2005, 2006 Vladimir Prus 
# Copyright 2005-2007 Mat Marcus
# Copyright 2005-2007 Adobe Systems Incorporated
# Copyright 2007-2010 Rene Rivera
# 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)

#  Please see http://article.gmane.org/gmane.comp.lib.boost.build/3389/
#  for explanation why it's a separate toolset.

import feature : feature ;
import toolset : flags ;
import type ;
import common ;
import generators ;
import path : basename ;
import version ;
import property-set ;
import regex ;
import errors ;

## Use a framework.
feature framework : : free ;

## The MacOSX version to compile for, which maps to the SDK to use (sysroot).
feature macosx-version : : propagated link-incompatible symmetric optional ;

## The minimal MacOSX version to target.
feature macosx-version-min : : propagated optional ;

## A dependency, that is forced to be included in the link.
feature force-load : : free dependency incidental ;

#############################################################################

_ = " " ;

if [ MATCH (--debug-configuration) : [ modules.peek : ARGV ] ]
{
    .debug-configuration = true ;
}

feature.extend toolset : darwin ;
import gcc ;
toolset.inherit-generators darwin : gcc : gcc.mingw.link gcc.mingw.link.dll ;

generators.override darwin.prebuilt : builtin.prebuilt ;
generators.override darwin.searched-lib-generator : searched-lib-generator ;

# Override default do-nothing generators.
generators.override darwin.compile.c.pch   : pch.default-c-pch-generator   ;
generators.override darwin.compile.c++.pch : pch.default-cpp-pch-generator ;

type.set-generated-target-suffix PCH : <toolset>darwin : gch ;

toolset.inherit-rules darwin : gcc : localize ;
toolset.inherit-flags darwin : gcc     
  :  <runtime-link>static
     <architecture>arm/<address-model>32
     <architecture>arm/<address-model>64
     <architecture>arm/<instruction-set>
     <architecture>x86/<address-model>32
     <architecture>x86/<address-model>64
     <architecture>x86/<instruction-set>
     <architecture>power/<address-model>32
     <architecture>power/<address-model>64
     <architecture>power/<instruction-set> 
     <inlining>full  ;

# Options:
#
#   <root>PATH
#       Platform root path. The common autodetection will set this to
#       "/Developer". And when a command is given it will be set to
#       the corresponding "*.platform/Developer" directory.
#
rule init ( version ? : command * : options * : requirement * )
{
    # First time around, figure what is host OSX version
    if ! $(.host-osx-version)  
    {
        .host-osx-version = [ MATCH "^([0-9.]+)"
          : [ SHELL "/usr/bin/sw_vers -productVersion" ] ] ;
        if $(.debug-configuration)
        {
            ECHO notice\: OSX version on this machine is $(.host-osx-version) ;
        }
    }
                      
    # - The root directory of the tool install.
    local root = [ feature.get-values <root> : $(options) ] ;
    
    # - The bin directory where to find the commands to execute.
    local bin ;
    
    # - The configured compile driver command.
    local command = [ common.get-invocation-command darwin : g++ : $(command) ] ;
    
    # The version as reported by the compiler
    local real-version ;
    
    # - Autodetect the root and bin dir if not given.
    if $(command)
    {
        bin ?= [ common.get-absolute-tool-path $(command[1]) ] ;
        if $(bin) = "/usr/bin"
        {
            root ?= /Developer ;
        }
        else
        {
            local r = $(bin:D) ;
            r = $(r:D) ;
            root ?= $(r) ;
        }
    }
    
    # - Autodetect the version if not given.
    if $(command)
    {
        # - The 'command' variable can have multiple elements. When calling
        #   the SHELL builtin we need a single string.
        local command-string = $(command:J=" ") ;
        real-version = [ MATCH "^([0-9.]+)"
            : [ SHELL "$(command-string) -dumpversion" ] ] ;
        version ?= $(real-version) ;
    }
    
    .real-version.$(version) = $(real-version) ;
    
    # - Define the condition for this toolset instance.
    local condition =
        [ common.check-init-parameters darwin $(requirement) : version $(version) ] ;
    
    # - Set the toolset generic common options.
    common.handle-options darwin : $(condition) : $(command) : $(options) ;
    
    real-version = [ regex.split $(real-version) \\. ] ;
    # - GCC 4.0 and higher in Darwin does not have -fcoalesce-templates.
    if [ version.version-less $(real-version) : 4 0 ]
    {
        flags darwin.compile.c++ OPTIONS $(condition) : -fcoalesce-templates ;
    }
    # - GCC 4.2 and higher in Darwin does not have -Wno-long-double.
    if [ version.version-less $(real-version) : 4 2 ]
    {
        flags darwin.compile OPTIONS $(condition) : -Wno-long-double ;
    }
    # - GCC on Darwin with -pedantic, suppress unsupported long long warning
    flags darwin.compile OPTIONS $(condition)/<warnings>pedantic : -Wno-long-long ;

# - GCC on El Capitan (10.11) does not support -finline-functions
    if "10.11.0" <= $(.host-osx-version)
    {
        flags darwin.compile OPTIONS $(condition)/<inlining>full : -Wno-inline ;
    }

# - The symbol strip program.
    local strip ;
    if <striper> in $(options)
    {
        # We can turn off strip by specifying it as empty. In which
        # case we switch to using the linker to do the strip.
        flags darwin.link.dll OPTIONS
            $(condition)/<main-target-type>LIB/<link>shared/<address-model>32/<strip>on : -Wl,-x ;
        flags darwin.link.dll OPTIONS
            $(condition)/<main-target-type>LIB/<link>shared/<address-model>/<strip>on : -Wl,-x ;
        flags darwin.link OPTIONS
            $(condition)/<main-target-type>EXE/<address-model>32/<strip>on : -s ;
        flags darwin.link OPTIONS
            $(condition)/<main-target-type>EXE/<address-model>/<strip>on : -s ;
    }
    else
    {
        # Otherwise we need to find a strip program to use. And hence
        # also tell the link action that we need to use a strip
        # post-process.
        flags darwin.link NEED_STRIP $(condition)/<strip>on : "" ;
        strip =
            [ common.get-invocation-command darwin
                : strip : [ feature.get-values <striper> : $(options) ] : $(bin) : search-path ] ;
        flags darwin.link .STRIP $(condition) : $(strip[1]) ;
        if $(.debug-configuration)
        {
            ECHO notice\: using strip for $(condition) at $(strip[1]) ;
        }
    }

# - The archive builder (libtool is the default as creating
    #   archives in darwin is complicated.
    local archiver =
        [ common.get-invocation-command darwin
            : libtool : [ feature.get-values <archiver> : $(options) ] : $(bin) : search-path ] ;
    flags darwin.archive .LIBTOOL $(condition) : $(archiver[1]) ;
    if $(.debug-configuration)
    {
        ECHO notice\: using archiver for $(condition) at $(archiver[1]) ;
    }
    
    # - Initialize the SDKs available in the root for this tool.
    local sdks = [ init-available-sdk-versions $(condition) : $(root) ] ;
    
    #~ ECHO --- ;
    #~ ECHO --- bin :: $(bin) ;
    #~ ECHO --- root :: $(root) ;
    #~ ECHO --- version :: $(version) ;
    #~ ECHO --- condition :: $(condition) ;
    #~ ECHO --- strip :: $(strip) ;
    #~ ECHO --- archiver :: $(archiver) ;
    #~ ECHO --- sdks :: $(sdks) ;
    #~ ECHO --- ;
    #~ EXIT ;
}

# Add and set options for a discovered SDK version.
local rule init-sdk ( condition * : root ? : version + : version-feature ? )
{
    local rule version-to-feature ( version + )
    {
        switch $(version[1])
        {
            case appletv* :
            {
                return $(version[1])-$(version[2-]:J=.) ;
            }
            case iphone* :
            {
                return $(version[1])-$(version[2-]:J=.) ;
            }
            case mac* :
            {
                return $(version[2-]:J=.) ;
            }
            case * :
            {
                return $(version:J=.) ;
            }
        }
    }
    
    if $(version-feature)
    {
        if $(.debug-configuration)
        {
            ECHO notice\: available sdk for $(condition)/<macosx-version>$(version-feature) at $(root) ;
        }
        
        # Add the version to the features for specifying them.
        if ! $(version-feature) in [ feature.values macosx-version ]
        {
            feature.extend macosx-version : $(version-feature) ;
        }
        if ! $(version-feature) in [ feature.values macosx-version-min ]
        {
            feature.extend macosx-version-min : $(version-feature) ;
        }
        
        # Set the flags the version needs to compile with, first
        # generic options.
        flags darwin.compile OPTIONS $(condition)/<macosx-version>$(version-feature)
            : -isysroot $(root) ;
        flags darwin.link OPTIONS $(condition)/<macosx-version>$(version-feature)
            : -isysroot $(root) ;
        
        # Then device variation options.
        switch $(version[1])
        {
            case appletvsim* :
            {
                local N = $(version[2]) ;
                if ! $(version[3]) { N += 00 ; }
                else if [ regex.match (..) : $(version[3]) ] { N += $(version[3]) ; }
                else { N += 0$(version[3]) ; }
                if ! $(version[4]) { N += 00 ; }
                else if [ regex.match (..) : $(version[4]) ] { N += $(version[4]) ; }
                else { N += 0$(version[4]) ; }
                N = $(N:J=) ;
                flags darwin.compile OPTIONS <macosx-version-min>$(version-feature)
                    : -D__IPHONE_OS_VERSION_MIN_REQUIRED=$(N) ;
                flags darwin.link OPTIONS <macosx-version-min>$(version-feature)
                    : -D__IPHONE_OS_VERSION_MIN_REQUIRED=$(N) ;
            }

case appletv* :
            {
                flags darwin.compile OPTIONS <macosx-version-min>$(version-feature)
                    : -mtvos-version-min=$(version[2-]:J=.) ;
                flags darwin.link OPTIONS <macosx-version-min>$(version-feature)
                    : -mtvos-version-min=$(version[2-]:J=.) ;
            }

case iphonesim* :
            {
                local N = $(version[2]) ;
                if ! $(version[3]) { N += 00 ; }
                else if [ regex.match (..) : $(version[3]) ] { N += $(version[3]) ; }
                else { N += 0$(version[3]) ; }
                if ! $(version[4]) { N += 00 ; }
                else if [ regex.match (..) : $(version[4]) ] { N += $(version[4]) ; }
                else { N += 0$(version[4]) ; }
                N = $(N:J=) ;
                flags darwin.compile OPTIONS <macosx-version-min>$(version-feature)
                    : -D__IPHONE_OS_VERSION_MIN_REQUIRED=$(N) ;
                flags darwin.link OPTIONS <macosx-version-min>$(version-feature)
                    : -D__IPHONE_OS_VERSION_MIN_REQUIRED=$(N) ;
            }

case iphone* :
            {
                flags darwin.compile OPTIONS <macosx-version-min>$(version-feature)
                    : -miphoneos-version-min=$(version[2-]:J=.) ;
                flags darwin.link OPTIONS <macosx-version-min>$(version-feature)
                    : -miphoneos-version-min=$(version[2-]:J=.) ;
            }
            
            case mac* :
            {
                flags darwin.compile OPTIONS <macosx-version-min>$(version-feature)
                    : -mmacosx-version-min=$(version[2-]:J=.) ;
                flags darwin.link OPTIONS <macosx-version-min>$(version-feature)
                    : -mmacosx-version-min=$(version[2-]:J=.) ;
            }
        }
        
        if $(version[3]) > 0
        {
            # We have a minor version of an SDK. We want to set up
            # previous minor versions, plus the current minor version.
            # So we recurse to set up the previous minor versions, up to
            # the current version.
            local minor-minus-1 = [ CALC $(version[3]) - 1 ] ;
            return
                [ init-sdk $(condition) : $(root)
                    : $(version[1-2]) $(minor-minus-1) : [ version-to-feature $(version[1-2]) $(minor-minus-1) ] ]
                $(version-feature) ;
        }
        else
        {
            return $(version-feature) ;
        }
    }
    else if $(version[4])
    {
        # We have a patch version of an SDK. We want to set up
        # both the specific patch version, and the minor version.
        # So we recurse to set up the patch version. Plus the minor version.
        return
            [ init-sdk $(condition) : $(root)
                : $(version[1-3]) : [ version-to-feature $(version[1-3]) ] ]
            [ init-sdk $(condition) : $(root)
                : $(version) : [ version-to-feature $(version) ] ] ;
    }
    else
    {
        # Yes, this is intentionally recursive.
        return
            [ init-sdk $(condition) : $(root)
                : $(version) : [ version-to-feature $(version) ] ] ;
    }
}

# Determine the MacOSX SDK versions installed and their locations.
local rule init-available-sdk-versions ( condition * : root ? )
{
    root ?= /Developer ;
    local sdks-root = $(root)/SDKs ;
    local sdks = [ GLOB $(sdks-root) : MacOSX*.sdk AppleTVOS*.sdk AppleTVSimulator*.sdk iPhoneOS*.sdk iPhoneSimulator*.sdk ] ;
    local result ;
    for local sdk in $(sdks)
    {
        local sdk-match = [ MATCH "([^0-9]+)([0-9]+)[.]([0-9x]+)[.]?([0-9x]+)?" : $(sdk:D=) ] ;
        local sdk-platform = $(sdk-match[1]:L) ;
        local sdk-version = $(sdk-match[2-]) ;
        if $(sdk-version)
        {
            switch $(sdk-platform)
            {
                case macosx :
                {
                    sdk-version = mac $(sdk-version) ;
                }
                case appletvos :
                {
                    sdk-version = appletv $(sdk-version) ;
                }
                case appletvsimulator :
                {
                    sdk-version = appletvsim $(sdk-version) ;
                }
                case iphoneos :
                {
                    sdk-version = iphone $(sdk-version) ;
                }
                case iphonesimulator :
                {
                    sdk-version = iphonesim $(sdk-version) ;
                }
                case * :
                {
                    sdk-version = $(sdk-version:J=-) ;
                }
            }
            result += [ init-sdk $(condition) : $(sdk) : $(sdk-version) ] ;
        }
    }
    return $(result) ;
}

# Generic options.
flags darwin.compile OPTIONS <flags> ;

# The following adds objective-c support to darwin.
# Thanks to http://thread.gmane.org/gmane.comp.lib.boost.build/13759

generators.register-c-compiler darwin.compile.m : OBJECTIVE_C : OBJ : <toolset>darwin ;
generators.register-c-compiler darwin.compile.mm : OBJECTIVE_CPP : OBJ : <toolset>darwin ;

rule setup-address-model ( targets * : sources * : properties * )
{
    local ps = [ property-set.create $(properties) ] ;
    local arch = [ $(ps).get <architecture> ] ;
    local instruction-set = [ $(ps).get <instruction-set> ] ;
    local address-model = [ $(ps).get <address-model> ] ;
    local osx-version = [ $(ps).get <macosx-version> ] ;
    local gcc-version = [ $(ps).get <toolset-darwin:version> ] ;
    gcc-version = $(.real-version.$(gcc-version)) ;
    local options ;
    
    local support-ppc64 = 1 ;
    
    osx-version ?= $(.host-osx-version) ;

switch $(osx-version)
    {
        case iphone* :
        {
            support-ppc64 = ;
        }
        
        case * :
        if $(osx-version) && ! [ version.version-less [ regex.split $(osx-version) \\. ] : 10 6 ]
        {
            # When targeting 10.6:
            # - gcc 4.2 will give a compiler errir if ppc64 compilation is requested
            # - gcc 4.0 will compile fine, somehow, but then fail at link time
            support-ppc64 = ;
        }
    }
    switch $(arch)
    {
        case combined : 
        {
            if $(address-model) = 32_64 {
                if $(support-ppc64) {
                    options = -arch i386 -arch ppc -arch x86_64 -arch ppc64 ;                    
                } else {
                    # Build 3-way binary
                    options = -arch i386 -arch ppc -arch x86_64 ;
                }                                
            } else if $(address-model) = 64 {
                if $(support-ppc64) {
                    options = -arch x86_64 -arch ppc64 ;
                } else {
                    errors.user-error "64-bit PPC compilation is not supported when targeting OSX 10.6 or later" ;
                }                
            } else {
                options = -arch i386 -arch ppc ;
            }
        }
        
        case x86 : 
        {
            if $(address-model) = 32_64 {
                options = -arch i386 -arch x86_64 ;
            } else if $(address-model) = 64 {
                options = -arch x86_64 ;
            } else {
                options = -arch i386 ;
            }
        }        
        
        case power :
        {
            if ! $(support-ppc64) 
              && (  $(address-model) = 32_64 || $(address-model) = 64 )
            {
                errors.user-error "64-bit PPC compilation is not supported when targeting OSX 10.6 or later" ;
            }
            
            if $(address-model) = 32_64 {
                options = -arch ppc -arch ppc64 ;
            } else if $(address-model) = 64 {
                options = -arch ppc64 ;
            } else {
                options = -arch ppc ;
            }
        }
        
        case arm :
        {
            if $(instruction-set) {
                options = -arch$(_)$(instruction-set) ;
            } else {
                options = -arch arm ;
            }
        }
    }
    
    if $(options)
    {
        OPTIONS on $(targets) += $(options) ;
    }            
}

rule compile.m ( targets * : sources * : properties * )
{
    LANG on $(<) = "-x objective-c" ;
    gcc.set-fpic-options $(targets) : $(sources) : $(properties) ;
    setup-address-model $(targets) : $(sources) : $(properties) ;
}

actions compile.m
{
    "$(CONFIG_COMMAND)" $(LANG) $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
}

rule compile.mm  ( targets * : sources * : properties * )
{
    LANG on $(<) = "-x objective-c++" ;
    gcc.set-fpic-options $(targets) : $(sources) : $(properties) ;
    setup-address-model $(targets) : $(sources) : $(properties) ;
}

actions compile.mm
{
    "$(CONFIG_COMMAND)" $(LANG) $(OPTIONS) $(USER_OPTIONS) -D$(DEFINES) -I"$(INCLUDES)" -c -o "$(<)" "$(>)"
}

# Set the max header padding to allow renaming of libs for installation.
flags darwin.link.dll OPTIONS : -headerpad_max_install_names ;

# To link the static runtime we need to link to all the core runtime libraries.
flags darwin.link OPTIONS <runtime-link>static
    : -nodefaultlibs -shared-libgcc -lstdc++-static -lgcc_eh -lgcc -lSystem ;

# Strip as much as possible when optimizing.
flags darwin.link OPTIONS <optimization>speed : -Wl,-dead_strip -no_dead_strip_inits_and_terms ;
flags darwin.link OPTIONS <optimization>space : -Wl,-dead_strip -no_dead_strip_inits_and_terms ;

# Dynamic/shared linking.
flags darwin.compile OPTIONS <link>shared : -dynamic ;

# Misc options.
flags darwin.compile OPTIONS : -gdwarf-2 -fexceptions ;
#~ flags darwin.link OPTIONS : -fexceptions ;

# Add the framework names to use.
flags darwin.link FRAMEWORK <framework> ;

#
flags darwin.link FORCE_LOAD <force-load> ;

# This is flag is useful for debugging the link step
# uncomment to see what libtool is doing under the hood
#~ flags darwin.link.dll OPTIONS : -Wl,-v ;

# set up the -F option to include the paths to any frameworks used.
local rule prepare-framework-path ( target + )
{
    # The -framework option only takes basename of the framework.
    # The -F option specifies the directories where a framework
    # is searched for.  So, if we find <framework> feature
    # with some path, we need to generate property -F option.
    local framework-paths = [ on $(target) return $(FRAMEWORK:D) ] ;

# Be sure to generate no -F if there's no path.
    for local framework-path in $(framework-paths)
    {
        if $(framework-path) != ""
        {
            FRAMEWORK_PATH on $(target) += -F$(framework-path) ;
        }
    }
}

rule link ( targets * : sources * : properties * )
{
    DEPENDS $(targets) : [ on $(targets) return $(FORCE_LOAD) ] ;
    setup-address-model $(targets) : $(sources) : $(properties) ;
    prepare-framework-path $(<) ;
}

# Note that using strip without any options was reported to result in broken
# binaries, at least on OS X 10.5.5, see:
#    http://svn.boost.org/trac/boost/ticket/2347
# So we pass -S -x.
actions link bind LIBRARIES FORCE_LOAD
{
    "$(CONFIG_COMMAND)" -L"$(LINKPATH)" -o "$(<)" "$(>)" -Wl,-force_load$(_)"$(FORCE_LOAD)" "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST) $(FRAMEWORK_PATH) -framework$(_)$(FRAMEWORK:D=:S=) $(OPTIONS) $(USER_OPTIONS)
    $(NEED_STRIP)"$(.STRIP)" $(NEED_STRIP)-S $(NEED_STRIP)-x $(NEED_STRIP)"$(<)"
}

rule link.dll ( targets * : sources * : properties * )
{
    setup-address-model $(targets) : $(sources) : $(properties) ;
    prepare-framework-path $(<) ;
}

actions link.dll bind LIBRARIES
{
    "$(CONFIG_COMMAND)" -dynamiclib -Wl,-single_module -install_name "$(<:B)$(<:S)" -L"$(LINKPATH)" -o "$(<)" "$(>)" "$(LIBRARIES)" -l$(FINDLIBS-SA) -l$(FINDLIBS-ST) $(FRAMEWORK_PATH) -framework$(_)$(FRAMEWORK:D=:S=) $(OPTIONS) $(USER_OPTIONS)
}

# We use libtool instead of ar to support universal binary linking
# TODO: Find a way to use the underlying tools, i.e. lipo, to do this.
actions piecemeal archive
{
    "$(.LIBTOOL)" -static -o "$(<:T)"  $(ARFLAGS)  "$(>:T)"
}

cmd: