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Date: Wed, 24 Jun 2009 18:48:43 -0400
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: 1.7 winbase.h (ilockcmpexch) compile error
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On Wed, Jun 24, 2009 at 04:37:56PM -0500, Brian Ford wrote:
>On Wed, 24 Jun 2009, Christopher Faylor wrote:
>>On Wed, Jun 24, 2009 at 07:40:39PM +0100, Dave Korn wrote:
>>>Brian Ford wrote:
>>>>g++ (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
>>>>
>>>>winsup/cygwin/winbase.h: In member function `int
>>>>pthread_mutex::_trylock(pthread*)': winsup/cygwin/winbase.h:59:
>>>>warning: volatile register variables don't work as you might wish
>>>>winsup/cygwin/winbase.h:63: error: can't find a register in class
>>>>`AREG' while reloading `asm'
>>>>
>>>>http://cygwin.com/ml/cygwin-patches/2009-q2/msg00072.html
>>>
>>>(Haven't used 3.x to build the DLL in ages myself.)
>>
>>I'm comfortable making gcc 4.x a requirement for building Cygwin and
>>its utilities.
>
>I'm prepared to work the problem as my time permits, but I assume you
>are going to get far less help with Cygwin debugging/development if you
>require a compiler that is not yet in the distribution.  (I know you
>think you get next to no help now, and that this isn't a big issue for
>those that do contribute, but it still doesn't seem like a very good
>idea.)

http://cygwin.com/packages/gcc4/
http://cygwin.com/packages-2/gcc4/

cgf

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