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Date:      Tue, 11 Sep 2012 10:10:24 -0400
From:      Michael Butler <imb@protected-networks.net>
To:        Christer Solskogen <christer.solskogen@gmail.com>
Cc:        toolchain@freebsd.org, current@freebsd.org
Subject:   Re: Clang as default compiler November 4th
Message-ID:  <504F4650.9090700@protected-networks.net>
In-Reply-To: <CAMVU60ZVmCaYr=MyLsnz9tqD9O5m9Y8bgYiqtqvUXcYcXj-RmQ@mail.gmail.com>
References:  <20120910211207.GC64920@lor.one-eyed-alien.net> <20120911104518.GF37286@deviant.kiev.zoral.com.ua> <20120911120649.GA52235@freebsd.org> <20120911122122.GJ37286@deviant.kiev.zoral.com.ua> <20120911123833.GA54483@freebsd.org> <848C813E-E6EC-4FAF-9374-B5583A077404@cederstrand.dk> <20120911133215.GB87126@troutmask.apl.washington.edu> <CAMVU60ZVmCaYr=MyLsnz9tqD9O5m9Y8bgYiqtqvUXcYcXj-RmQ@mail.gmail.com>

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On 09/11/12 09:44, Christer Solskogen wrote:
> On Tue, Sep 11, 2012 at 3:32 PM, Steve Kargl
> <sgk@troutmask.apl.washington.edu> wrote:
>> Interest twist of history.  GCC is not abandonware.
> 
> Correct, but GCC 4.2.1 is.
> 

While this may be true, I'm not inclined to move any of my gear to a
platform which is built on a tool-chain which is described in terms such
as ..

"In particular, clang/LLVM presently fails to produce correct code for
some operations, and is not performance competitive with gcc for any."

- From the link (http://math-atlas.sourceforge.net/errata.html#WhatComp)
that Steve Kargl referenced (dated July 2012).

While I appreciate the desire and need to move away from a legally
encumbering environment, stability and maturity are both critical
considerations.

This is not to say that GCC 4.2.1 is either bug-free or sufficiently
featureful as more modern versions but its idiosyncrasies are better
known and understood,

	imb

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