install_package "openssl-1.1.1s" "https://www.openssl.org/source/openssl-1.1.1s.tar.gz#c5ac01e760ee6ff0dab61d6b2bbd30146724d063eb322180c6f18a6f74e4b6aa" openssl --if needs_openssl_101_111
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