libcapi20-dev software package provides libraries for CAPI support, 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 libcapi20-dev
libcapi20-dev is installed in your system.
Make ensure the libcapi20-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcapi20-dev *
You will get with libcapi20-dev package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Library development |
| Package | libcapi20-dev |
| Version | 1:3.12.20071127-0ubuntu11 |
| Description | libraries for CAPI support |
| Sub Section | libdevel |