Thanks GP. Not sure what to do with that link. Do I run in in terminal or do I save configure.ac in the Armory folder and run that via terminal to compile?

pkg-config 'QtCore'
returns this:

The program 'pkg-config' can be found in the following packages:
* pkg-config
* pkgconf


pkg-config 'QtGui'
Returns exactly the same:

The program 'pkg-config' can be found in the following packages:
* pkg-config
* pkgconf