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Cc: Steve Naroff <snaroff@apple.com>, gcc mailing list <gcc@gcc.gnu.org>,
        Michael Matz <matz@suse.de>, Ziemowit Laski <zlaski@apple.com>,
        Joe Buck <Joe.Buck@synopsys.com>,
        Andrew Pinski <pinskia@physics.uc.edu>, Mike Stump <mrs@apple.com>
From: Matt Austern <austern@apple.com>
Subject: Re: generalized lvalues -- patch outline
Date: Tue, 23 Nov 2004 19:11:00 -0000
To: Nathan Sidwell <nathan@codesourcery.com>
X-SW-Source: 2004-11/txt/msg00839.txt.bz2

On Nov 23, 2004, at 6:02 AM, Nathan Sidwell wrote:

>> FWIW, this extension is used in at least (determined from just 
>> looking at the compiler errors):
>> wine, elfutils, rpm, freeglut, dietlibc, openswan, xv, xine and 50 
>> other packages.
> ok, that's quite a big list, thank you.  I don't suppose you know which
> version of this extension they're using? :)  Will Ziemowit's 
> restriction
> to pointers satisfy them?

I haven't looked at that list, but one data point: CW restricts this 
cast to pointers, so that's good enough for CW compatibility.  I guess 
we learned just today (thanks, Eric!) that Solaris supports some 
version of this extension, at least for C.  We don't yet know the 
boundaries of Sun's version of the extension.

			--Matt