lcl-gtk2-0.9.30.2 software package provides Lazarus Components Library - GTK+ backend, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install lcl-gtk2-0.9.30.2
lcl-gtk2-0.9.30.2 is installed in your system.
Make ensure the lcl-gtk2-0.9.30.2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep lcl-gtk2-0.9.30.2 *
You will get with lcl-gtk2-0.9.30.2 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Development |
| Package | lcl-gtk2-0.9.30.2 |
| Version | 0.9.30.2-2 |
| Description | Lazarus Components Library - GTK+ backend |
| Sub Section | devel |