GL problems with experimental ports tree.

[Jeremy Sherling]

Hello all... I recently installed xorg from the new ports tree along
with the 1.0-8776 nvidia driver.
My problem is, any time I try to run something that uses GL, I get the
following error...

%./glmatrix
Fatal error 'Recurse on a private mutex.' at line 986 in file
/usr/src/lib/libpthread/thread/thr_mutex.c (errno = 0)
Abort (core dumped)

Any help would be great!
Thanks,
Jeremy