cpp-4.6 software package provides GNU C preprocessor, 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 cpp-4.6
cpp-4.6 is installed in your system.
Make ensure the cpp-4.6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep cpp-4.6 *
You will get with cpp-4.6 package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Interpreters |
| Package | cpp-4.6 |
| Version | 4.6.3-14 |
| Description | GNU C preprocessor |
| Sub Section | Interpreters |