cmake-qt-gui software package provides Qt4 based user interface for CMake (cmake-gui), 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 cmake-qt-gui
cmake-qt-gui is installed in your system.
Make ensure the cmake-qt-gui package were installed using the commands given below,
$ sudo dpkg-query -l | grep cmake-qt-gui *
You will get with cmake-qt-gui package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | cmake-qt-gui |
| Version | 2.8.12.2-0ubuntu3 |
| Description | Qt4 based user interface for CMake (cmake-gui) |
| Sub Section | devel |