92 lines
2.6 KiB
Ruby
92 lines
2.6 KiB
Ruby
# @private
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class DevelopmentTools
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class << self
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def locate(tool)
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# Don't call tools (cc, make, strip, etc.) directly!
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# Give the name of the binary you look for as a string to this method
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# in order to get the full path back as a Pathname.
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(@locate ||= {}).fetch(tool) do |key|
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@locate[key] = if File.executable?(path = "/usr/bin/#{tool}")
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Pathname.new path
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# Homebrew GCCs most frequently; much faster to check this before xcrun
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elsif (path = HOMEBREW_PREFIX/"bin/#{tool}").executable?
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path
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end
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end
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end
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def installed?
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which("clang") || which("gcc")
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end
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def installation_instructions
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"Install Clang or brew install gcc"
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end
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alias_method :custom_installation_instructions,
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:installation_instructions
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def default_cc
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cc = DevelopmentTools.locate "cc"
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cc.realpath.basename.to_s rescue nil
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end
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def default_compiler
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if default_cc =~ /^gcc/
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:gcc
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else
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:clang
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end
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end
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def gcc_40_build_version
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@gcc_40_build_version ||=
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if (path = locate("gcc-4.0"))
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`#{path} --version 2>/dev/null`[/build (\d{4,})/, 1].to_i
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end
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end
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alias_method :gcc_4_0_build_version, :gcc_40_build_version
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def gcc_42_build_version
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@gcc_42_build_version ||=
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begin
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gcc = locate("gcc-4.2") || HOMEBREW_PREFIX.join("opt/apple-gcc42/bin/gcc-4.2")
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if gcc.exist? && !gcc.realpath.basename.to_s.start_with?("llvm")
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`#{gcc} --version 2>/dev/null`[/build (\d{4,})/, 1].to_i
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end
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end
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end
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alias_method :gcc_build_version, :gcc_42_build_version
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def clang_version
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@clang_version ||=
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if (path = locate("clang"))
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`#{path} --version`[/(?:clang|LLVM) version (\d\.\d)/, 1]
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end
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end
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def clang_build_version
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@clang_build_version ||=
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if (path = locate("clang"))
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`#{path} --version`[/clang-(\d{2,})/, 1].to_i
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end
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end
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def non_apple_gcc_version(cc)
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(@non_apple_gcc_version ||= {}).fetch(cc) do
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path = HOMEBREW_PREFIX.join("opt", "gcc", "bin", cc)
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path = locate(cc) unless path.exist?
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version = `#{path} --version`[/gcc(?:-\d(?:\.\d)? \(.+\))? (\d\.\d\.\d)/, 1] if path
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@non_apple_gcc_version[cc] = version
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end
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end
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def clear_version_cache
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@gcc_40_build_version = @gcc_42_build_version = nil
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@clang_version = @clang_build_version = nil
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@non_apple_gcc_version = {}
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end
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end
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end
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require "extend/os/development_tools"
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