> -WANTLIB =		crypto ssl
> +WANTLIB += c++abi crypto ssl

This looks odd. I assume c++abi is pulled in via libruby onnly amd64. I
wonder if this isn't something that should be handled in ruby.port.mk

On aarch64 you get:

Extra: c++abi.7 gmp.11 ruby34.0

On sparc64:

Extra: c++abi.7 gmp.11