fcitx-libs-dev software package provides Flexible Input Method Framework - library development files, 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 fcitx-libs-dev
fcitx-libs-dev is installed in your system.
Make ensure the fcitx-libs-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep fcitx-libs-dev *
You will get with fcitx-libs-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | fcitx-libs-dev |
| Version | 1:4.2.8.3-3 |
| Description | Flexible Input Method Framework - library development files |
| Sub Section | libdevel |