Unknown module(s) in QT: svg

Question

Added QT += svg and I tried just QT += svg and greaterThan(QT_MAJOR_VERSION, 4): QT += svg to the .pro solution file and ran qmake from inside the QtCreator and got this err

Answer 1

Debian Stretch:

sudo apt install libqt5svg5-dev

Fedora (courtesy of @robin-green):

sudo dnf install qt5-qtsvg-devel