require_cc
install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
install_package "stackless-325-export" "http://www.stackless.com/binaries/stackless-325-export.tar.bz2#b021125e578ddd267d38feee9e1cbdb675f6aab247a2b88f4494abcf23babb05" ldflags_dirs standard verify_py32 ensurepip