libsignatures-perl software package provides Perl pragma for subroutine signatures, 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 libsignatures-perl
libsignatures-perl is installed in your system.
Make ensure the libsignatures-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libsignatures-perl *
You will get with libsignatures-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libsignatures-perl |
| Version | 0.07-1build1 |
| Description | Perl pragma for subroutine signatures |
| Sub Section | Perl |