Monotonic clocks

[Chris Vine]

On Mon, 24 May 2010 10:59:44 -0400 (EDT)
Daniel Eischen <deischen at freebsd.org> wrote:
[snip]
> The prototype has been in <pthread.h> since Oct 2005, and is in
> FreeBSD version 7 and subsequent.

Debian say they base their port on version 7.2 so it looks as if they
have managed to break it.

In any event, sysconf() is supposed to pick up these things, so lets
hope with the additional test for _POSIX_CLOCK_SELECTION it does so.

Chris