[Xcb] new library for pthread stub functions

[Barton C Massey]

In message <200611222318.18935 at enterprise.flameeyes.is-a-geek.org> you wrote:
> On Wednesday 22 November 2006 23:06, Josh Triplett wrote:
> > Thus, we force every program to do something
> > slightly different for the static and non-static case, and we don't have
> > any way of expressing that in pkg-config.
> Actually pkg-config do just that when using .private
> values: when linking to libpthread (or to libthr for
> FreeBSD) the weak symbols get replaced by the non-weak
> symbols, and that should be it.

Perfect.

    Bart