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Re: [Bug-gnubg] Win builds using gcc4: question + new win distrib.

From: Massimiliano Maini
Subject: Re: [Bug-gnubg] Win builds using gcc4: question + new win distrib.
Date: Mon, 15 Jun 2009 12:23:54 +0200

Jonathan Kinsey <address@hidden> wrote on 15/06/2009 11:54:42:

> I'll answer although I don't know much about gcc4, so this might notbe 100%...
> gcc4 is a big change (under the hood) from gcc3 with the optimisation logic
> totally rewritten. Make sure you try and build with full optimisation set (-O3
> I guess).
> The new sigmoid version uses SSE4 I think, which is supported in
> gcc4, this code
> isn't checked in yet.

> I think you are a bit confused about mixing gcc3 and 4 (or you've
> confused me),
> we only build the one .exe and either compiler will work fine with
> the existing gtk dlls.

I was almost sure that it should work as you say and I tried and it seemed
to work fine. Just wanted to double check. Major fear was about each cmpiler
version needing his own (different) libs.

I've just posted the new distrib (20090615) with:

        - gcc3 wmt/gmt exes
        - gcc4 wmt/gmt exes


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