require "requirement" class AprDependency < Requirement fatal true default_formula "apr-util" satisfy { MacOS::CLT.installed? || Formula["apr"].installed? } env do unless MacOS::CLT.installed? ENV.prepend_path "PATH", Formula["apr-util"].opt_bin ENV.prepend_path "PATH", Formula["apr"].opt_bin ENV.prepend_path "PKG_CONFIG_PATH", "#{Formula["apr"].opt_libexec}/lib/pkgconfig" ENV.prepend_path "PKG_CONFIG_PATH", "#{Formula["apr-util"].opt_libexec}/lib/pkgconfig" end end end