libxcb-xlib.la failures when building X11 with libxcb-1.2

[Simon Thum]

Halim Issa wrote:
> grep: /usr/lib/libxcb-xlib.la: No such file or directory
> /bin/sed: can't read /usr/lib/libxcb-xlib.la: No such file or directory
> libtool: link: `/usr/lib/libxcb-xlib.la' is not a valid libtool archive
Possibly, this is biting you:
http://bugs.gentoo.org/show_bug.cgi?id=158476