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Date: Fri, 15 Dec 2006 13:08:02 +0800
From: David Xu <davidxu@freebsd.org>
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To: Steve Kargl <sgk@troutmask.apl.washington.edu>
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Cc: Juha Saarinen <juhasaarinen@gmail.com>, freebsd-current@freebsd.org
Subject: Re: Let's use gcc-4.2, not 4.1 -- OpenMP
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Steve Kargl wrote:
> On Fri, Dec 15, 2006 at 04:15:23PM +1300, Juha Saarinen wrote:
> 
>>So... silly question perhaps, but does -CURRENT (world + kernel) build
>>with gcc 4.2 and -fopenmp? What about -STABLE and -RELEASE?
>>
> 
> 
> -fopenmp will be a completely useless option for world
> unless someone starts to sprinkle OpenMP compiler directives
> throughout /usr/src.  I seriously doubt anyone will ever
> sprinkle OpenMP directives in kernel sources (ie., do
> you want to link your kernel with libthr or libpthread?).
> 

I think kernel has to implement its own libgomp if -fopenmp
will be used for kernel, though I don't have any idea that
openmp will be used in kernel. but for application, openmp
is worth be to tried.

Regards,
David Xu