lib64itm1 software package provides GNU Transactional Memory Library (64bit), 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 lib64itm1
lib64itm1 is installed in your system.
Make ensure the lib64itm1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep lib64itm1 *
You will get with lib64itm1 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | lib64itm1 |
| Version | 4.8.4-2ubuntu1~14.04.3 |
| Description | GNU Transactional Memory Library (64bit) |
| Sub Section | libs |