libfxt-dev software package provides Multithreaded tracing library, 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 libfxt-dev
libfxt-dev is installed in your system.
Make ensure the libfxt-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfxt-dev *
You will get with libfxt-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libfxt-dev |
| Version | 0.2.14-3ubuntu1 |
| Description | Multithreaded tracing library |
| Sub Section | libdevel |