X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-0.7 required=5.0 	tests=AWL,BAYES_50,SPF_HELO_PASS,SPF_PASS
X-Spam-Check-By: sourceware.org
Message-ID: <23849850.post@talk.nabble.com>
Date: Wed, 3 Jun 2009 04:34:31 -0700 (PDT)
From: Marc Girod <marc DOT girod AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Trying to install CPAN Math::GMP. Can libgmp3 provide -libgmp?
In-Reply-To: <23849366.post@talk.nabble.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
References: <23830861 DOT post AT talk DOT nabble DOT com> <4A251615 DOT 5080408 AT gmail DOT com> <23833375 DOT post AT talk DOT nabble DOT com> <4A255EA4 DOT 1070502 AT cygwin DOT com> <23849366 DOT post AT talk DOT nabble DOT com>
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Precedence: bulk
List-Id: <cygwin.cygwin.com>
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com



Marc Girod wrote:
> 
> Where does IV come from is what I'll try to find next.
> 
This seems to be from the perlapi:

       sv_iv   A private implementation of the "SvIVx" macro for compilers
               which can't cope with complex macro expressions. Always use
the
               macro instead.

                       IV      sv_iv(SV* sv)

In /usr/lib/perl5/5.10/i686-cygwin/CORE/perl.h:


...
/*
    The IV type is supposed to be long enough to hold any integral
    value or a pointer.
    --Andy Dougherty	August 1996
*/

typedef IVTYPE IV;


Now, you'd ask... what about IVTYPE?

/usr/lib/perl5/5.10/i686-cygwin/CORE/config.h has:

/* IVTYPE:
 *	This symbol defines the C type used for Perl's IV.
 */
...
#define	IVTYPE		long long		/**/

/usr/lib/perl5/5.10/i686-cygwin/CORE/uconfig.h this:

#define	IVTYPE		long		/**/

and /usr/lib/perl5/5.10/i686-cygwin/Devel/PPPort.pm various definitions
depending on context:

#    ifdef INTSIZE
#ifndef IVSIZE
#  define IVSIZE                         INTSIZE
#endif

#    endif
#  else
#    if defined(convex) || defined(uts)
#ifndef IVTYPE
#  define IVTYPE                         long long
#endif
...
#      ifdef LONGLONGSIZE
#ifndef IVSIZE
#  define IVSIZE                         LONGLONGSIZE
#endif

#      endif
#    else
#ifndef IVTYPE
#  define IVTYPE                         long
#endif

So, it very much depends which definition is hit first...

Marc
-- 
View this message in context: http://www.nabble.com/Trying-to-install-CPAN-Math%3A%3AGMP.-Can-libgmp3-provide--libgmp--tp23830861p23849850.html
Sent from the Cygwin list mailing list archive at Nabble.com.


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/