curl:zlib:on:required::
curl:openssl:on:required:--with-ssl       --without-ca-bundle       --with-ca-path=/etc/ssl/certs       --without-gnutls --without-nss:
curl:ca-certificates:on:required::
curl:libssh2:off:optional:--with-libssh2=/usr:--without-libssh2
curl:rtmpdump:off:optional::--without-librtmp
curl:c-ares:off:optional:--enable-ares=/usr:--disable-ares
curl:libidn:on:optional:--with-libidn=/usr:--without-libidn
curl:openldap:off:optional:--enable-ldap --enable-ldaps:--disable-ldap --disable-ldaps
