ceph/src/boost/libs/numeric/ublas/clblas.jam

   1 # Copyright (c) 2018 Stefan Seefeld
   2 #
   3 # Use, modification and distribution is subject to the Boost Software
   4 # License Version 1.0. (See accompanying file LICENSE_1_0.txt or
   5 # http://www.boost.org/LICENSE_1_0.txt)
   6
   7 # Supports the clblas library
   8 #
   9 # After 'using clblas', the following targets are available:
  10 #
  11 # /clblas//clblas -- The clblas library
  12
  13 import project ;
  14 import ac ;
  15 import errors ;
  16 import feature ;
  17 import "class" : new ;
  18 import targets ;
  19 import modules ;
  20 import property-set ;
  21 import toolset : using ;
  22
  23 using opencl ;
  24
  25 header = clBLAS.h ;
  26 names = clBLAS ;
  27
  28 library-id = 0 ;
  29
  30 if --debug-configuration in [ modules.peek : ARGV ]
  31 {
  32     .debug =  true ;
  33 }
  34
  35 # Initializes the clblas library.
  36 #
  37 # Options for configuring clblas::
  38 #
  39 #   <search>
  40 #       The directory containing the clblas library.
  41 #   <name>
  42 #       Overrides the default library name.
  43 #   <include>
  44 #       The directory containing the clblas headers.
  45 #
  46 # Examples::
  47 #
  48 #   # Find clblas in the default system location
  49 #   using clblas ;
  50 #   # Find clblas in /usr/local
  51 #   using clblas : 1.2.7
  52 #     : <include>/usr/local/include <search>/usr/local/lib ;
  53 #
  54 rule init ( version ? :      # The clblas version (currently ignored)
  55             options * :      # A list of the options to use
  56             requirements * ) # The requirements for the clblas target
  57 {
  58     local caller = [ project.current ] ;
  59
  60     if ! $(.initialized)
  61     {
  62         .initialized = true ;
  63
  64         project.initialize $(__name__) ;
  65         .project = [ project.current ] ;
  66         project clblas ;
  67     }
  68
  69     local library-path = [ feature.get-values <search> : $(options) ] ;
  70     local include-path = [ feature.get-values <include> : $(options) ] ;
  71     local library-name = [ feature.get-values <name> : $(options) ] ;
  72
  73     if ! $(library-path) && ! $(include-path) && ! $(library-name)
  74     {
  75         is-default = true ;
  76     }
  77
  78     condition = [ property-set.create $(requirements) ] ;
  79     condition = [ property-set.create [ $(condition).base ] ] ;
  80
  81     if $(.configured.$(condition))
  82     {
  83         if $(is-default)
  84         {
  85             if $(.debug)
  86             {
  87                 ECHO "notice: [clblas] clblas is already configured" ;
  88             }
  89         }
  90         else
  91         {
  92             errors.user-error "clblas is already configured" ;
  93         }
  94         return ;
  95     }
  96     else
  97     {
  98         if $(.debug)
  99         {
 100             ECHO "notice: [clblas] Using pre-installed library" ;
 101             if $(condition)
 102             {
 103                 ECHO "notice: [clblas] Condition" [ $(condition).raw ] ;
 104             }
 105         }
 106
 107         local mt = [ new ac-library clblas : $(.project) : $(condition) :
 108             $(include-path) : $(library-path) : $(library-name) ] ;
 109         $(mt).set-header $(header) ;
 110         $(mt).set-default-names $(names) ;
 111         targets.main-target-alternative $(mt) ;
 112     }
 113     .configured.$(condition) = true ;
 114 }