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List:       kde-commits
Subject:    Re: kdemultimedia/mpeglib/lib/util/render/dither2YUV
From:       Andy Fawcett <andy () athame ! co ! uk>
Date:       2003-08-25 14:35:38
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On Monday 25 August 2003 17:19, Adrian Schroeter wrote:
> On Monday 25 August 2003 16:00, Andy Fawcett wrote:
> > Nope, doesn't work.
> >
> > The problem seems to be that, although __GNUC__ is defined,
> > __GNUC_PREREQ is not known by the system.
> >
> > I'm no compiler expert, so I have no idea how to find out if this
> > is an allowed test.
> >
> > Please let me know if there's anything else I can do here to help.
>
> this one has really to work ... but it would be anyway interessting,
> why the gcc on freebsd does not know this ...
>
> #ifdef __GNUC_PREREQ
> #if __GNUC_PREREQ (3,1)
> # define __attribute_used__ __attribute__ ((__used__))
> #else
> # define __attribute_used__
> #endif
> #else
> # define __attribute_used__
> #endif

That compiles/links fine now. I can't test it until later (it's on a 
remote box), but I will let you know if there are problems.

Thanks,

Andy

(oh, as to why it FreeBSD's gcc doesn't know it, I have no idea. In an 
earlier response you mentioned glibc's sys/cdefs.h, but we don't use 
glibc. Could be totally unrelated though...)

-- 
Andy Fawcett                                     | andy@athame.co.uk
                                                 | tap@kde.org
"In an open world without walls and fences,      | tap@lspace.org
  we wouldn't need Windows and Gates."  -- anon  | tap@fruitsalad.org

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