install_package "openssl-1.1.1d" "https://www.openssl.org/source/openssl-1.1.1d.tar.gz#1e3a91bc1f9dfce01af26026f856e064eab4c8ee0a8f457b5ae30b40b8b711f2" mac_openssl --if has_broken_mac_openssl
install_package "ruby-2.6.0-preview1" "https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.0-preview1.tar.bz2#8bd6c373df6ee009441270a8b4f86413d101b8f88e8051c55ef62abffadce462" ldflags_dirs standard verify_openssl