From: nobu.nokada@...
Date: 2004-06-10T14:06:20+09:00
Subject: Re: #include <re.h> required for Opteron but not Pentium.

Hi,

At Thu, 10 Jun 2004 13:47:54 +0900,
Jim Freeze wrote in [ruby-talk:103037]:
> > > > Should this be fixed in ruby.h?
> > > 
> > > Offhand, it seems to me that nothing is broken (except for the C language
> > > itself, of course :-). Now that I have access to the Ruby sources, I see
> > > that VALUE is a typedef for a long. I guess longs are 64 bits on the
> > > Opteron. Without a prototype or other declaration in scope, the compiler
> > > assumes that rb_reg_regcomp returns an int. Including the right header
> > > file is the fix.
> > 
> > IMHO, It would be the only reasonable solution.  If you use
> > regexp engine stuffs you should include re.h, I guess, since
> > ruby.h doesn't cover them.
>  
>  I understand the problem now.
>  Should ruby.h include re.h?

I don't think so.  All sources using ruby.h don't need regexp
stuffs.

>  I'm trying to find a solution that works on both 32bit and 64bit
>  machines without code changes. And it would be best if I didn't
>  have to have it fail on a 64bit machine to find out.

Why without changes?  It isn't your own code?

-- 
Nobu Nakada