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From: "Karl H. Beckers" <karl.h.beckers@gmx.net>
To: John Baldwin <jhb@freebsd.org>
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Date: Tue, 05 Feb 2008 00:05:51 +0100
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Cc: Daniel Eischen <deischen@freebsd.org>,
	Dag-Erling =?ISO-8859-1?Q?Sm=C3=B8rgrav?= <des@des.no>,
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Subject: Re: threading in FreeBSD (acx_pthreads)
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Am Montag, den 04.02.2008, 14:56 -0500 schrieb John Baldwin:
[...]
> > And I take it that (c) is what your ports system is doing and the
> > discussion is around whether that's the right thing to do?
> 
> Just -pthread, no -lc_r.  On 4.x -pthread expands to -D_REENTRANT -lc_r (or 
> something like that).  On 5.x+ -pthread expands to -lpthread.  IOW, -pthread 
> always expands to the appropriate system default.  If you want to use libthr 
> on 6.x then you can either explicitly say -lthr instead of -pthread or rename 
> libpthread to libkse and symlink libpthread to libthr.  (Or use libmap.conf 
> to map libpthread to libthr, etc.).
> 
> Also, FWIW DES, at work when folks did benchmarks for Java stuff on 6.x, 
> libkse had better performance than libthr.  Granted, Java is a bit more of an 
> odd benchmark b/c it is thread happy and thus more suited to a M:N model than 
> most other threading workloads.
> 

OK,

that clears some of that up.

Any idea what the original author of acx_pthreads has meant by -lkthread
and lthread? (Am trying to ask him himself, but his spamassassin doesn't
like me ;) )

Thanks,

Karl.