librhash-dev software package provides header files and a static library for librhash, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install librhash-dev
librhash-dev is installed in your system.
Make ensure the librhash-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep librhash-dev *
You will get with librhash-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | librhash-dev |
| Version | 1.3.1-1 |
| Description | header files and a static library for librhash |
| Sub Section | libdevel |