LANG="C" module-assistant prepare
Getting source for kernel version: 3.8.0-35-generic
apt-get install linux-headers-3.8.0-35-generic
Reading package lists... Done
Building dependency tree
Reading state information... Done
linux-headers-3.8.0-35-generic is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
apt-get install build-essential
Reading package lists... Done
Building dependency tree
Reading state information... Done
build-essential is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Done!