forked from mirror/ffi-clang
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109 lines
2.9 KiB
Ruby
109 lines
2.9 KiB
Ruby
# Copyright, 2010-2012 by Jari Bakken.
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# Copyright, 2013, by Samuel G. D. Williams. <http://www.codeotaku.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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require 'mkmf'
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module FFI
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module Clang
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module Lib
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extend FFI::Library
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# Use LLVM_CONFIG if it was explicitly specified:
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llvm_config = ENV['LLVM_CONFIG']
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# If we aren't building for a specific version (e.g. travis) try to find llvm-config
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unless ENV['LLVM_VERSION']
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llvm_config ||= MakeMakefile.find_executable0("llvm-config")
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end
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libs = []
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if ENV['LIBCLANG']
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libs << ENV['LIBCLANG']
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else
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begin
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xcode_dir = `xcode-select -p`.chomp
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%W[
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#{xcode_dir}/Toolchains/XcodeDefault.xctoolchain/usr/lib/libclang.dylib
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#{xcode_dir}/usr/lib/libclang.dylib
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].each do |f|
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if File.exist? f
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libs << f
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break
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end
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end
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rescue Errno::ENOENT
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# Ignore
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end
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libs << "clang"
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if llvm_config
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llvm_library_dir = `#{llvm_config} --libdir`.chomp
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platform = FFI::Clang.platform
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case platform
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when :darwin
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libs << llvm_library_dir + '/libclang.dylib'
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when :windows
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llvm_bin_dir = `#{llvm_config} --bindir`.chomp
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libs << llvm_bin_dir + '/libclang.dll'
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else
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libs << llvm_library_dir + '/libclang.so'
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end
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end
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end
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ffi_lib libs
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def self.bitmask_from(enum, opts)
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bitmask = 0
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opts.each do |key, value|
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if int = enum[key]
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bitmask |= int
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else
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raise Error, "unknown option: #{key.inspect}, expected one of #{enum.symbols}"
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end
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end
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bitmask
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end
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def self.opts_from(enum, bitmask)
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bit = 1
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opts = {}
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while bitmask != 0
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if bitmask & 1
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if sym = enum[bit]
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opts[sym] = true
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else
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raise Error, "unknown values: #{bit}, expected one of #{enum.symbols}"
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end
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end
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bitmask >>= 1
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bit <<= 1
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end
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opts
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end
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end
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end
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end
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