libqof-dev software package provides Query Object Framework - Development Headers, 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 libqof-dev
libqof-dev is installed in your system.
Make ensure the libqof-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libqof-dev *
You will get with libqof-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libqof-dev |
| Version | 0.8.7-1ubuntu1 |
| Description | Query Object Framework - Development Headers |
| Sub Section | libdevel |