Starting: /usr/bin/qmake /home/wolf/tmp/screenshot/screenshot.pro -r CONFIG+=debug_and_release CONFIG+=debug -spec ../../../mkspecs/linux-g++ Could not find mkspecs for your QMAKESPEC(../../../mkspecs/linux-g++) after trying: /usr/lib/qt4/mkspecs Error processing project file: /home/wolf/tmp/screenshot/screenshot.pro Exited with code 3. Error while building project screenshot When executing build step 'QMake'