[Pixman] Build system patches for threading.

Siarhei Siamashka siarhei.siamashka at gmail.com
Mon Jul 12 08:15:18 PDT 2010

On Monday 12 July 2010 11:45:42 M Joonas Pihlaja wrote:
> On Mon, 12 Jul 2010, Siarhei Siamashka wrote:
> > On Sunday 11 July 2010 13:24:43 M Joonas Pihlaja wrote:
> > > Check that the OpenMP pragmas don't cause link errors.
> > > 
> > > This patch adds extra guards around our use of OpenMP pragmas and
> > > checks that the pragmas won't cause link errors. This fixes the build
> > > on Tru64 and Solaris with the native compilers and clang.
> > 
> > Do you have any thought about what could be the root cause of this
> > problem?
> Broken or incomplete OpenMP support or incomplete installation of
> supporting libraries.  

OK, thanks for the explanations. It was just not completely clear from your 
commit message what exactly was happening, now I understand the need for your 

> Unusable OpenMP seems fairly common IME.

Fortunately these problems seem to be only common on uncommon systems :)

If some systems/compilers are broken, would it be possible to also report bugs 
to their maintainers for each of the issues? And have a link to these reports 
in pixman commit messages like you did with OpenBSD's broken '__thread'?

Best regards,
Siarhei Siamashka
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