debian:/home/dnanar# aptitude install module-assistant gcc nvidia-kernel-common
Reading package lists... Done
Building dependency tree... Done
Reading extended state information
Initializing package states... Done
Reading task descriptions... Done
Building tag database... Done
The following packages are BROKEN:
  libc6-dev
The following NEW packages will be automatically installed:
  binutils gcc-4.1 libmudflap0 libmudflap0-dev linux-kernel-headers
The following NEW packages will be installed:
  binutils gcc gcc-4.1 libmudflap0 libmudflap0-dev linux-kernel-headers module-assistant nvidia-kernel-common
The following packages are RECOMMENDED but will NOT be installed:
  nvidia-kernel-source
0 packages upgraded, 9 newly installed, 0 to remove and 0 not upgraded.
Need to get 8131kB of archives. After unpacking 32.6MB will be used.
The following packages have unmet dependencies:
  libc6-dev: Depends: libc6 (= 2.3.6.ds1-13) but 2.5-2 is installed.
Resolving dependencies...
The following actions will resolve these dependencies:

Keep the following packages at their current version:
libc6-dev [Not Installed]
libmudflap0-dev [Not Installed]

Leave the following dependencies unresolved:
gcc recommends libc6-dev | libc-dev
gcc-4.1 recommends libc6-dev (>= 2.3.6-7)
gcc-4.1 recommends libmudflap0-dev (>= 4.1.1-21)
nvidia-kernel-common recommends nvidia-kernel-source | nvidia-kernel
Score is -732

Accept this solution? [Y/n/q/?] q
Abandoning all efforts to resolve these dependencies.
Abort.
debian:/home/dnanar#