[Bug libstdc++/56482] missing -lpthread in configure when checking for pthreads_num_processors_np

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56482

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-02-28
     Ever Confirmed|0                           |1

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-02-28 12:27:09 UTC ---
Those tests possibly shouldn't be link tests anyway, just compile tests.

Note to self, the comment on GLIBCXX_CHECK_SYSCTL_HW_NCPU wrongly mentions
<pthread.h>