Threading libraries

Justin C. Sherrill justin at
Sat Dec 13 15:14:38 PST 2008

On Sat, December 13, 2008 4:35 pm, Hasso Tepper wrote:
> Justin C. Sherrill wrote:
>> What would this mean for the 2.2 release?
> It would be OK, but ... I'm concerned about the fact that features
> specific to libthread_xu (for example barriers) haven't got any testing
> so far, but these will be used by third-party apps if libc_r will be
> removed. I don't feel comfortable doing this move so close to release, so
> I'd prefer post 2.2 move.

How can we test?  I'm doing a pbulk build using the _xu library on
Matthias's system right now, but I'm guessing we would have to actually be
executing the binaries to find out what works and what doesn't.

>> Would people who had been upgrading from pre-xu versions need to
>> recompile everything, including pkgsrc apps?
> This isn't acceptable IMHO. wrapper should stay.

If I recall correctly, _xu is the default on new installs, so the number
of people who use/need c_r is declining over time.  At some point, people
using the old library will have to stop and recompile, somehow, won't

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