pkg:setup
ENV["NO_FINK"] = "1"
ENV["NO_DARWIN_PORTS"] = "1"
ENV["NO_R_TO_GCC_LINKER"] = "1" 
ENV["PYTHON_PATH"] = which("python")
ENV["PERL_PATH"] = which("perl")
ENV["USE_LIBPCRE2"] = "1"
ENV["INSTALL_SYMLINKS"] = "1"
ENV["LIBPCREDIR"] = Formula["pcre2"].opt_prefix
ENV["V"] = "1" 
perl_version = Utils.popen_read("perl --version")[/v(\d+\.\d+)(?:\.\d+)?/, 1]
ENV["PERLLIB_EXTRA"] = %W[#{MacOS.active_developer_dir} /Library/Developer/CommandLineTools /Applications/Xcode.app/Contents/Developer ].uniq.map do |p|
"#{p}/Library/Perl/#{perl_version}/darwin-thread-multi-2level"