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-2.6.0-rc2" "https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.0-rc2.tar.bz2#b3d03e471e3136f43bb948013d4f4974abb63d478e8ff7ec2741b22750a3ec50" ldflags_dirs standard verify_openssl