libbuilder-ruby software package provides Transitional package for ruby-builder, 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 libbuilder-ruby
libbuilder-ruby is installed in your system.
Make ensure the libbuilder-ruby package were installed using the commands given below,
$ sudo dpkg-query -l | grep libbuilder-ruby *
You will get with libbuilder-ruby package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Libraries |
| Package | libbuilder-ruby |
| Version | 3.0.0-2 |
| Description | Transitional package for ruby-builder |
| Sub Section | libs |