* Stop installing the libtool .la files.
* Add Build-Depends on libxdmcp-dev.
* Debian X11R7 transition:
- * Change Build-Depends on x-dev to x11proto-core-dev.
+ * Change Depends and Build-Depends on x-dev to x11proto-core-dev.
* Install headers to /usr/include/X11, not /usr/X11R6/include/X11.
* Pre-Depends: x11-common (>= 1:1.09).