Comment 14 for bug 306222

The output has changed but same outcome here is the dist-upgrade output.

gnomefreak@Development:~$ sudo apt-get install nvidia-glx-173
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libavcodec51 portmap
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  dkms nvidia-173-kernel-source nvidia-settings
The following packages will be REMOVED:
  ubuntu-desktop xorg xserver-xorg xserver-xorg-core xserver-xorg-input-all
  xserver-xorg-input-evdev xserver-xorg-input-kbd xserver-xorg-input-mouse
  xserver-xorg-input-synaptics xserver-xorg-input-vmmouse
  xserver-xorg-input-wacom xserver-xorg-video-all xserver-xorg-video-apm
  xserver-xorg-video-ark xserver-xorg-video-ati xserver-xorg-video-chips
  xserver-xorg-video-cirrus xserver-xorg-video-fbdev xserver-xorg-video-geode
  xserver-xorg-video-i128 xserver-xorg-video-i740 xserver-xorg-video-intel
  xserver-xorg-video-mach64 xserver-xorg-video-mga xserver-xorg-video-neomagic
  xserver-xorg-video-nv xserver-xorg-video-openchrome xserver-xorg-video-r128
  xserver-xorg-video-radeon xserver-xorg-video-rendition xserver-xorg-video-s3
  xserver-xorg-video-s3virge xserver-xorg-video-savage
  xserver-xorg-video-siliconmotion xserver-xorg-video-sis
  xserver-xorg-video-sisusb xserver-xorg-video-tdfx xserver-xorg-video-trident
  xserver-xorg-video-tseng xserver-xorg-video-v4l xserver-xorg-video-vesa
  xserver-xorg-video-vmware xserver-xorg-video-voodoo
The following NEW packages will be installed:
  dkms nvidia-173-kernel-source nvidia-glx-173 nvidia-settings
0 upgraded, 4 newly installed, 43 to remove and 155 not upgraded.
Need to get 7694kB/11.3MB of archives.
After this operation, 19.3MB of additional disk space will be used.
Do you want to continue [Y/n]? n
Abort.

I'm assuming Nvidia needs build on new Xorg packages,