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

   1 # Copyright (c) 2010 Vladimir Prus.
   2 # Copyright (c) 2013 Steven Watanabe
   3 #
   4 # Use, modification and distribution is subject to the Boost Software
   5 # License Version 1.0. (See accompanying file LICENSE_1_0.txt or
   6 # http://www.boost.org/LICENSE_1_0.txt)
   7
   8 # Supports the zstd library
   9 #
  10 # After 'using zstd', the following targets are available:
  11 #
  12 # /zstd//zstd -- The zstd library
  13
  14 import project ;
  15 import ac ;
  16 import errors ;
  17 import feature ;
  18 import "class" : new ;
  19 import targets ;
  20 import path ;
  21 import modules ;
  22 import indirect ;
  23 import property ;
  24 import property-set ;
  25
  26 header = zstd.h ;
  27 names = zstd ;
  28
  29 library-id = 0 ;
  30
  31 if --debug-configuration in [ modules.peek : ARGV ]
  32 {
  33     .debug =  true ;
  34 }
  35
  36 rule init (
  37     version ?
  38     # (currently ignored)
  39
  40     : options *
  41     # A list of the options to use
  42
  43     : requirements *
  44     # The requirements for the target
  45     )
  46 {
  47     local caller = [ project.current ] ;
  48
  49     if ! $(.initialized)
  50     {
  51         .initialized = true ;
  52
  53         project.initialize $(__name__) ;
  54         .project = [ project.current ] ;
  55         project zstd ;
  56     }
  57
  58     local library-path = [ feature.get-values <search> : $(options) ] ;
  59     local include-path = [ feature.get-values <include> : $(options) ] ;
  60     local library-name = [ feature.get-values <name> : $(options) ] ;
  61
  62     condition = [ property-set.create $(requirements) ] ;
  63     condition = [ property-set.create [ $(condition).base ] ] ;
  64
  65     if $(.configured.$(condition))
  66     {
  67         if ! $(options)
  68         {
  69             if $(.debug)
  70             {
  71                 ECHO "notice: [zstd] zstd is already configured" ;
  72             }
  73         }
  74         else
  75         {
  76             errors.user-error "zstd is already configured" ;
  77         }
  78         return ;
  79     }
  80     else
  81     {
  82         if $(.debug)
  83         {
  84             ECHO "notice: [zstd] Using pre-installed library" ;
  85             if $(condition)
  86             {
  87                 ECHO "notice: [zstd] Condition" [ $(condition).raw ] ;
  88             }
  89         }
  90
  91         local mt = [ new ac-library zstd : $(.project) : $(condition) :
  92             $(include-path) : $(library-path) : $(library-name) ] ;
  93         $(mt).set-header $(header) ;
  94         $(mt).set-default-names $(names) ;
  95         targets.main-target-alternative $(mt) ;
  96     }
  97     .configured.$(condition) = true ;
  98 }