From: Eric Hodel <drbrain@...7.net>
Date: 2008-01-31T08:14:11+09:00
Subject: Re: Using gems from C extensions

On Jan 30, 2008, at 03:40 AM, Andre Nathan wrote:
> I'm trying to use the json gem from a C extension. Doing this fails  
> with
> "no such file to load -- json (LoadError)":
>
>    rb_require("rubygems");
>    rb_require("json");
>
> However, if I add
>
>    rb_funcall(rb_mKernel, rb_intern("gem"), 1, rb_str_new2("json"));
>
> before rb_require("json"), then it works fine. Is that how it's  
> supposed
> to work?

Yes.  rb_require calls the base require, not the RubyGems overridden  
one.

Instead of calling #gem, you can rb_funcall require instead.