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