ceph/src/boost/tools/build/src/tools/make.jam

   1 # Copyright 2003 Dave Abrahams
   2 # Copyright 2003 Douglas Gregor
   3 # Copyright 2006 Rene Rivera
   4 # Copyright 2002, 2003, 2004, 2005, 2006 Vladimir Prus
   5 # Distributed under the Boost Software License, Version 1.0.
   6 # (See accompanying file LICENSE.txt or copy at
   7 # https://www.bfgroup.xyz/b2/LICENSE.txt)
   8
   9 # This module defines the 'make' main target rule.
  10
  11 import "class" : new ;
  12 import param ;
  13 import project ;
  14 import property-set ;
  15 import targets ;
  16
  17
  18 class make-target-class : basic-target
  19 {
  20     import "class" : new ;
  21     import indirect ;
  22     import toolset ;
  23     import type ;
  24     import virtual-target ;
  25
  26     rule __init__ ( name : project : sources * : requirements *
  27         : default-build * : usage-requirements * )
  28     {
  29         basic-target.__init__ $(name) : $(project) : $(sources) :
  30             $(requirements) : $(default-build) : $(usage-requirements) ;
  31     }
  32
  33     rule construct ( name : source-targets * : property-set )
  34     {
  35         local action-name = [ $(property-set).get <action> ] ;
  36         # 'm' will always be set -- we add '@' ourselves in the 'make' rule
  37         # below.
  38         local m = [ MATCH ^@(.*) : $(action-name) ] ;
  39
  40         local relevant = [ toolset.relevant [ indirect.get-rule $(m[1]) ] ] ;
  41         local a = [ new action $(source-targets) : $(m[1]) : [ $(property-set).add $(relevant) ] ] ;
  42         local t = [ new file-target $(self.name) exact : [ type.type
  43             $(self.name) ] : $(self.project) : $(a) ] ;
  44         return $(relevant) [ virtual-target.register $(t) ] ;
  45     }
  46 }
  47
  48
  49 # Declares the 'make' main target.
  50 #
  51 rule make ( target-name : sources * : generating-rule + : requirements * :
  52     usage-requirements * )
  53 {
  54     param.handle-named-params
  55         sources generating-rule requirements default-build usage-requirements ;
  56     # The '@' sign causes the feature.jam module to qualify rule name with the
  57     # module name of current project, if needed.
  58     local m = [ MATCH ^(@).* : $(generating-rule) ] ;
  59     if ! $(m)
  60     {
  61         generating-rule = @$(generating-rule) ;
  62     }
  63     targets.create-metatarget make-target-class : [ project.current ] :
  64         $(target-name) : $(sources) : $(requirements) <action>$(generating-rule)
  65         : : $(usage-requirements) ;
  66 }
  67
  68
  69 IMPORT $(__name__) : make : : make ;