install_package "openssl-1.0.2p" "https://www.openssl.org/source/openssl-1.0.2p.tar.gz#50a98e07b1a89eb8f6a99477f262df71c6fa7bef77df4dc83025a2845c827d00" mac_openssl --if has_broken_mac_openssl
install_package "ruby-2.4.0-preview1" "https://cache.ruby-lang.org/pub/ruby/2.4/ruby-2.4.0-preview1.tar.bz2#17570f0b84215ca82252f10c167ee50bc075383c018420c6b2601ae1cade0649" ldflags_dirs standard verify_openssl