101 lines
2.8 KiB
Ruby
101 lines
2.8 KiB
Ruby
require "os/mac/xcode"
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# @private
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class DevelopmentTools
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class << self
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alias generic_locate locate
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undef installed?, default_compiler, curl_handles_most_https_certificates?,
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subversion_handles_most_https_certificates?
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def locate(tool)
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(@locate ||= {}).fetch(tool) do |key|
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@locate[key] = if (located_tool = generic_locate(tool))
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located_tool
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elsif MacOS.version > :tiger
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path = Utils.popen_read("/usr/bin/xcrun", "-no-cache", "-find", tool, err: :close).chomp
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Pathname.new(path) if File.executable?(path)
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end
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end
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end
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# Checks if the user has any developer tools installed, either via Xcode
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# or the CLT. Convenient for guarding against formula builds when building
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# is impossible.
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def installed?
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MacOS::Xcode.installed? || MacOS::CLT.installed?
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end
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def default_compiler
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case default_cc
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# if GCC 4.2 is installed, e.g. via Tigerbrew, prefer it
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# over the system's GCC 4.0
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when /^gcc-4\.0/ then gcc_4_2_build_version ? :gcc_4_2 : :gcc_4_0
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when /^gcc/ then :gcc_4_2
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when "clang" then :clang
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else
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# guess :(
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if MacOS::Xcode.version >= "4.3"
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:clang
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else
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:gcc_4_2
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end
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end
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end
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def curl_handles_most_https_certificates?
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# The system Curl is too old for some modern HTTPS certificates on
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# older macOS versions.
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ENV["HOMEBREW_SYSTEM_CURL_TOO_OLD"].nil?
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end
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def subversion_handles_most_https_certificates?
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# The system Subversion is too old for some HTTPS certificates on
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# older macOS versions.
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MacOS.version >= :sierra
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end
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def installation_instructions
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if MacOS.version >= "10.9"
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<<~EOS
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Install the Command Line Tools:
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xcode-select --install
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EOS
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elsif MacOS.version == "10.8" || MacOS.version == "10.7"
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<<~EOS
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Install the Command Line Tools from
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https://developer.apple.com/download/more/
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or via Xcode's preferences.
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EOS
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else
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<<~EOS
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Install Xcode from
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https://developer.apple.com/download/more/
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EOS
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end
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end
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def custom_installation_instructions
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if MacOS.version > :leopard
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<<~EOS
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Install GNU's GCC
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brew install gcc
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EOS
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elsif MacOS.version > :tiger
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<<~EOS
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Install GNU's GCC
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brew install gcc@4.6
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EOS
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else
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# Tiger doesn't ship with apple-gcc42, and this is required to build
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# some software that doesn't build properly with FSF GCC.
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<<~EOS
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Install Apple's GCC
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brew install apple-gcc42
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or GNU's GCC
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brew install gcc@4.6
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EOS
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end
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end
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end
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end
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