# File ext/libv8/compiler.rb, line 44 def check_clang_compiler(name) compiler = `which #{name} 2> /dev/null` return nil unless $?.success? compiler.chomp end
# File ext/libv8/compiler.rb, line 30 def check_gcc_compiler(name) # in SmartOS, `which` returns success with no arguments. 'with_config' above may return nil return nil if "#{name}".empty? compiler = `which #{name} 2> /dev/null` return nil unless $?.success? compiler.chomp! return nil unless `#{compiler} --version` =~ /([0-9]\.[0-9]\.[0-9])/ return nil if $1 < "4.4" compiler end
# File ext/libv8/compiler.rb, line 5 def compiler unless defined?(@compiler) cc = check_gcc_compiler with_config("cxx") cc ||= check_gcc_compiler ENV["CXX"] cc ||= check_gcc_compiler "g++" # Check alternative GCC names # These are common on BSD's after # GCC has been installed by a port cc ||= check_gcc_compiler "g++44" cc ||= check_gcc_compiler "g++46" cc ||= check_gcc_compiler "g++48" if cc.nil? warn "Unable to find a compiler officially supported by v8." warn "It is recommended to use GCC v4.4 or higher" @compiler = cc = 'g++' end @compiler = cc end @compiler end
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