From w.northcott at unsw.edu.au  Thu Mar 27 02:20:06 2008
From: w.northcott at unsw.edu.au (Bill Northcott)
Date: Thu, 27 Mar 2008 12:20:06 +1100
Subject: [Rd] R 64 on Intel Mac check problem
In-Reply-To: <C09A9027-5B47-48CC-AC34-E7B9ABB9D636@r-project.org>
References: <mailman.21.1206529204.25461.r-devel@r-project.org>
	<487BB358-F115-451A-85C8-491AF824C0AF@unsw.edu.au>
	<C09A9027-5B47-48CC-AC34-E7B9ABB9D636@r-project.org>
Message-ID: <8DA6E367-BD14-4FFE-A0F2-9C31EE48B5F4@unsw.edu.au>

On 27/03/2008, at 11:51 AM, Simon Urbanek wrote:
> Yes, the gcc-4.2 is known to be broken for x86_64 as you describe  
> above (or in fact it miscompiles a few other things, too).  
> Interestingly llvm-gcc-4.2 suffers from the same problem. That is  
> the reason why the 64-bit binaries are currently not offered.
> Switching to gcc-4.0 breaks other things on other targets, so there  
> is no universal (and maintainable) solution that I'm aware of.

Perhaps we could all file an enhancement bug request to release an  
updated version of the compiler.

Do Apple know that llvm-gcc is affected?

Bill



[Rd] R 64 on Intel Mac check problem
Bill Northcott