libdir-self-perl software package provides module providing a __DIR__ constant for the directory of the source file, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdir-self-perl
libdir-self-perl is installed in your system.
Make ensure the libdir-self-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdir-self-perl *
You will get with libdir-self-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libdir-self-perl |
| Version | 0.11-1 |
| Description | module providing a __DIR__ constant for the directory of the source file |
| Sub Section | Perl |