Developed on Qt 5.4.0 (GCC 4.6.1, 64 bit)
Instead of curl use Qt inbuilt network tools
If you're on Linux, you should be able to get started with:
if Installed qtCreator via QtInstaller then instead of qmake use ~/Qt/5.4/gcc_64/bin/qmake ::
$ qmake -project
$ qmake apertium-deskGUI.pro
$ make
$ ./apertium-deskGUI
Date : 21 Feb 2014
Now the translated output