install_package "openssl-1.1.1g" "https://www.openssl.org/source/openssl-1.1.1g.tar.gz#ddb04774f1e32f0c49751e21b67216ac87852ceb056b75209af2443400636d46" 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_unsupported ldflags_dirs standard verify_openssl