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-# Copyright (c) 2004 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 file implements linking semantic common to all unixes. On unix, static
-# libraries must be specified in a fixed order on the linker command line. Generators
-# declared there store information about the order and use it property.
-
-import feature ;
-import "class" : new ;
-import generators ;
-import type ;
-import set ;
-import order ;
-import builtin ;
-
-class unix-linking-generator : linking-generator
-{
- import property-set ;
- import type ;
- import unix ;
-
- rule __init__ ( id
- composing ? : # Specify if generator is composing. The generator will be
- # composing if non-empty string is passed, or parameter is
- # not given. To make generator non-composing, pass empty
- # string ("")
- source-types + : target-types + :
- requirements * )
- {
- composing ?= true ;
- generator.__init__ $(id) $(composing) : $(source-types) : $(target-types) :
- $(requirements) ;
- }
-
- rule run ( project name ? : property-set : sources + )
- {
- local result = [ linking-generator.run $(project) $(name) : $(property-set)
- : $(sources) ] ;
-
- unix.set-library-order $(sources) : $(property-set) : $(result[2-]) ;
-
- return $(result) ;
- }
-
- rule generated-targets ( sources + : property-set : project name ? )
- {
- local sources2 ;
- local libraries ;
- for local l in $(sources)
- {
- if [ type.is-derived [ $(l).type ] LIB ]
- {
- libraries += $(l) ;
- }
- else
- {
- sources2 += $(l) ;
- }
- }
-
- sources = $(sources2) [ unix.order-libraries $(libraries) ] ;
-
- return [ linking-generator.generated-targets $(sources) : $(property-set)
- : $(project) $(name) ] ;
- }
-
-}
-
-class unix-archive-generator : archive-generator
-{
- import unix ;
-
- rule __init__ ( id composing ? : source-types + : target-types + :
- requirements * )
- {
- composing ?= true ;
- archive-generator.__init__ $(id) $(composing) : $(source-types) : $(target-types) :
- $(requirements) ;
- }
-
- rule run ( project name ? : property-set : sources + )
- {
- local result = [ archive-generator.run $(project) $(name) : $(property-set)
- : $(sources) ] ;
-
- unix.set-library-order $(sources) : $(property-set) : $(result[2-]) ;
-
- return $(result) ;
-
- }
-}
-
-class unix-searched-lib-generator : searched-lib-generator
-{
- import unix ;
- rule __init__ ( * : * )
- {
- generator.__init__
- $(1) : $(2) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8) : $(9) ;
- }
-
- rule optional-properties ( )
- {
- return $(self.requirements) ;
- }
-
- rule run ( project name ? : property-set : sources * )
- {
- local result = [ searched-lib-generator.run $(project) $(name)
- : $(property-set) : $(sources) ] ;
-
- unix.set-library-order $(sources) : $(property-set) : $(result[2-]) ;
-
- return $(result) ;
- }
-}
-
-class unix-prebuilt-lib-generator : generator
-{
- import unix ;
- rule __init__ ( * : * )
- {
- generator.__init__ $(1) : $(2) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8) : $(9) ;
- }
-
- rule run ( project name ? : property-set : sources * )
- {
- local f = [ $(property-set).get <file> ] ;
- unix.set-library-order-aux $(f) : $(sources) ;
- return $(f) $(sources) ;
- }
-}
-
-generators.register
- [ new unix-prebuilt-lib-generator unix.prebuilt : : LIB
- : <file> <toolset>unix ] ;
-
-generators.override unix.prebuilt : builtin.lib-generator ;
-
-
-# Declare generators
-generators.register [ new unix-linking-generator unix.link : LIB OBJ : EXE
- : <toolset>unix ] ;
-
-generators.register [ new unix-archive-generator unix.archive : OBJ : STATIC_LIB
- : <toolset>unix ] ;
-
-generators.register [ new unix-linking-generator unix.link.dll : LIB OBJ : SHARED_LIB
- : <toolset>unix ] ;
-
-generators.register [ new unix-searched-lib-generator
- unix.searched-lib-generator : : SEARCHED_LIB : <toolset>unix ] ;
-
-
-# The derived toolset must specify their own actions.
-actions link {
-}
-
-actions link.dll {
-}
-
-actions archive {
-}
-
-actions searched-lib-generator {
-}
-
-actions prebuilt {
-}
-
-
-
-
-
-.order = [ new order ] ;
-
-rule set-library-order-aux ( from * : to * )
-{
- for local f in $(from)
- {
- for local t in $(to)
- {
- if $(f) != $(t)
- {
- $(.order).add-pair $(f) $(t) ;
- }
- }
- }
-}
-
-rule set-library-order ( sources * : property-set : result * )
-{
- local used-libraries ;
- local deps = [ $(property-set).dependency ] ;
- for local l in $(sources) $(deps:G=)
- {
- if [ $(l).type ] && [ type.is-derived [ $(l).type ] LIB ]
- {
- used-libraries += $(l) ;
- }
- }
-
- local created-libraries ;
- for local l in $(result)
- {
- if [ $(l).type ] && [ type.is-derived [ $(l).type ] LIB ]
- {
- created-libraries += $(l) ;
- }
- }
-
- created-libraries = [ set.difference $(created-libraries) : $(used-libraries) ] ;
- set-library-order-aux $(created-libraries) : $(used-libraries) ;
-}
-
-rule order-libraries ( libraries * )
-{
- local r = [ $(.order).order $(libraries) ] ;
- return $(r) ;
-}
- \ No newline at end of file