libcap-dev software package provides development libraries and header files for libcap2, 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 libcap-dev
libcap-dev is installed in your system.
Make ensure the libcap-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcap-dev *
You will get with libcap-dev package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Library development |
| Package | libcap-dev |
| Version | 1:2.22-1ubuntu3 |
| Description | development libraries and header files for libcap2 |
| Sub Section | libdevel |