install_package "openssl-1.1.1n" "https://www.openssl.org/source/openssl-1.1.1n.tar.gz#40dceb51a4f6a5275bde0e6bf20ef4b91bfc32ed57c0552e2e8e15463372b17a" mac_openssl --if has_broken_mac_openssl
install_package "ruby-2.5.0-preview1" "https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.0-preview1.tar.bz2#1158e0eac184a1d8189fae985f58c9be185d6e7074b022e66567aec798fa3446" warn_eol ldflags_dirs standard verify_openssl