112 lines
2.8 KiB
Plaintext
112 lines
2.8 KiB
Plaintext
# Copyright (c) 2018 Stefan Seefeld
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#
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# Use, modification and distribution is subject to the Boost Software
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# License Version 1.0. (See accompanying file LICENSE_1_0.txt or
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# http://www.boost.org/LICENSE_1_0.txt)
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# Supports the opencl library
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#
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# After 'using opencl', the following targets are available:
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#
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# /opencl//opencl -- The OpenCL library
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import project ;
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import ac ;
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import errors ;
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import feature ;
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import "class" : new ;
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import targets ;
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import modules ;
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import property-set ;
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header = CL/cl.h ;
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names = OpenCL ;
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library-id = 0 ;
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if --debug-configuration in [ modules.peek : ARGV ]
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{
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.debug = true ;
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}
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# Initializes the opencl library.
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#
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# Options for configuring opencl::
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#
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# <search>
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# The directory containing the OpenCL library.
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# <name>
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# Overrides the default library name.
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# <include>
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# The directory containing the OpenCL headers.
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#
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# Examples::
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#
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# # Find OpenCL in the default system location
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# using opencl ;
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# # Find opencl in /usr/local
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# using opencl : 1.2.7
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# : <include>/usr/local/include <search>/usr/local/lib ;
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#
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rule init ( version ? : # The opencl version (currently ignored)
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options * : # A list of the options to use
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requirements * ) # The requirements for the opencl target
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{
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local caller = [ project.current ] ;
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if ! $(.initialized)
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{
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.initialized = true ;
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project.initialize $(__name__) ;
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.project = [ project.current ] ;
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project opencl ;
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}
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local library-path = [ feature.get-values <search> : $(options) ] ;
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local include-path = [ feature.get-values <include> : $(options) ] ;
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local library-name = [ feature.get-values <name> : $(options) ] ;
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if ! $(library-path) && ! $(include-path) && ! $(library-name)
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{
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is-default = true ;
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}
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condition = [ property-set.create $(requirements) ] ;
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condition = [ property-set.create [ $(condition).base ] ] ;
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if $(.configured.$(condition))
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{
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if $(is-default)
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{
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if $(.debug)
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{
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ECHO "notice: [opencl] opencl is already configured" ;
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}
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}
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else
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{
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errors.user-error "opencl is already configured" ;
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}
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return ;
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}
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else
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{
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if $(.debug)
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{
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ECHO "notice: [opencl] Using pre-installed library" ;
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if $(condition)
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{
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ECHO "notice: [opencl] Condition" [ $(condition).raw ] ;
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}
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}
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local mt = [ new ac-library opencl : $(.project) : $(condition) :
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$(include-path) : $(library-path) : $(library-name) ] ;
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$(mt).set-header $(header) ;
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$(mt).set-default-names $(names) ;
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targets.main-target-alternative $(mt) ;
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}
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.configured.$(condition) = true ;
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}
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