libbitmask-dev software package provides header files and docs for libbitmask, 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 libbitmask-dev
libbitmask-dev is installed in your system.
Make ensure the libbitmask-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libbitmask-dev *
You will get with libbitmask-dev package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Library development |
| Package | libbitmask-dev |
| Version | 2.0-1 |
| Description | header files and docs for libbitmask |
| Sub Section | libdevel |