fglrx-source software package provides kernel module source for the non-free ATI/AMD RadeonHD display driver, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fglrx-source
fglrx-source is installed in your system.
Make ensure the fglrx-source package were installed using the commands given below,
$ sudo dpkg-query -l | grep fglrx-source *
You will get with fglrx-source package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Kernels |
| Package | fglrx-source |
| Version | 1:12-6+point-3 |
| Description | kernel module source for the non-free ATI/AMD RadeonHD display driver |
| Sub Section | Kernels |