libclass-c3-perl software package provides pragma for using the C3 method resolution order, 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 libclass-c3-perl
libclass-c3-perl is installed in your system.
Make ensure the libclass-c3-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libclass-c3-perl *
You will get with libclass-c3-perl package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Perl |
| Package | libclass-c3-perl |
| Version | 0.24-1 |
| Description | pragma for using the C3 method resolution order |
| Sub Section | Perl |