AX_TLS detects when toolchains support __thread or __declspec(thread),
but existing code assumed __thread.
This also adds a check to configure.ac to error out if TLS is requested
but unsupported.
Found-by: Tinderbox
http://tinderbox.x.org/builds/2011-03-22-0007
Regression-from: 82b1eaa6ca
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Tom Fogal <tfogal@alumni.unh.edu>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
xthreads is an ancient wrapper around a half dozen or so common thread
APIs, including pthreads. Just use pthreads directly if you have it; if
you don't, get with the times.
Reviewed-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Solaris 7 and older are not supported; Solaris 8 and later have (and
use) pthreads.
Acked-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
