[Xcb] print backtraces in case an assert fails inside xlib/xcb

[Barton C Massey]

In message <20070608021347.GA11530 at patate.is-a-geek.org> you wrote:
> On Thu, Jun  7, 2007 at 18:10:00 -0700, Barton C Massey wrote:
> > I don't understand the ".la contamination" issue.  Could
> > someone who understands it please enlighten me?
> 
> Basically, the problem is that libtool sucks.  When a
> library is built with libtool, it installs a libfoo.la
> alongside libfoo.{so,a}.  This .la file has, among other
> things, dependency information, which means that it
> references every single library in the dependency tree of
> libfoo.  So if you rebuild libX11 without xcb, and
> uninstall libxcb, you still have tons of files referencing
> libxcb-xlib.la which make later builds of unrelated stuff
> fail.
> 
> As far as I can tell, the fix is to not install .la files
> (which is what we do for the X libraries in Debian), or rm
> /usr/lib/*.la.

Ah.  Thanks.  Doesn't sound like something we can fix in
XCB?

    Bart