[SailfishDevel] Can't use QDeviceInfo

[tw_bolek]

> do you have such in your .pro
> CONFIG += link_pkgconfig
> PKGCONFIG += Qt5SystemInfo

Just added:

CONFIG += sailfishapp \
       link_pkgconfig
PKGCONFIG += Qt5SystemInfo

Now I get:

undefined reference to `SailfishApp::main(int&, char**)'