On Mon, 12 Dec 2011 16:55:04 +0100 (CET), Mark Kettenis wrote:
> > Date: Mon, 12 Dec 2011 16:51:48 +0100
> > From: Pascal Stumpf  <pascal.stu...@cubes.de>
> > 
> > On Mon, 12 Dec 2011 16:26:42 +0100, Marc Espie wrote:
> > > On Mon, Dec 12, 2011 at 04:00:44PM +0100, Pascal Stumpf wrote:
> > > > On Mon, 12 Dec 2011 14:41:45 +0100 (CET), Mark Kettenis wrote:
> > > > > 
> > > > > The s/restrict/__restrict/g in cstdio shouldn't be necessary.
> > > > 
> > > > Apparently, clang++ interprets "restrict" as parameter name, i.e.:
> > > > 
> > > > attr.cc:1:50: error: redefinition of parameter 'restrict'
> > > > extern "C" int foo(const char * restrict, char * restrict, ...) 
> > > >                                                  ^
> > > > attr.cc:1:33: note: previous declaration is here
> > > > extern "C" int foo(const char * restrict, char * restrict, ...) 
> > > >                                 ^
> > > > 
> > > > This might indeed be a bug, but I'd have to read the C++ standard to be
> > > > sure.  In pure C, clang doesn't complain.
> > > 
> > > I'm not that surprised. restrict is C99.  It's not part of C++98.
> > > 
> > > Googling for restrict and C++ show various bug-reports explicitly stating
>  tha
> > > t
> > > library headers should probably adapt.
> > > 
> > > I don't have access to C++ 2011 yet, but from n3242, it seems that it doe
> s
> > > now refer to C99 instead of C89, so restrict is probably leggit in C++201
> 1.
> > > 
> > > So it looks to me like clang in C++98 mode is totally right to not recogn
> ize
> > > restrict as a keyword!
> > 
> > Yes, you're right.  And clang++ -std=c++0x does recognise restrict as a
> > keyword.  cstdio should be adapted (and gcc 4.6 does indeed have
> > __restrict over restrict).
> 
> Still worth checking if only removing the XXX_CHECK defines and
> leaving the XXX_DYNAMIC defines helps.

Yes, it does. :)  Thanks!

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