[PATCH] lib, ruby: make use of -Wl,--no-undefined configurable

[Jinwoo Lee]

On Tue, Jun 16, 2015 at 04:43 PM, Jinwoo Lee <jinwoo68 at gmail.com> wrote:
> Turns out my previous error was because I was running tests within Emacs
> eshell, and run_emacs failed.
>
> I tried again in a terminal and it still failed but for a different
> reason.  I don't have readelf on my Mac.

Looks like otool should be used on Mac.  But I have no idea how readelf
is used here and how it should be translated to otool.