I'm not familiar with slackware, but I wonder if you're running the
right qmake? could it be you're running qmake for qt4?
Right I was. I ran the qmake from qt5 and got further but still problems.
I'll put that on the back burner and get back to it later.
Ttyl :-),
Al
--- MagickaBBS v0.13alpha (Linux/x86_64)
* Origin: The Rusty MailBox - Penticton, BC Canada (21:4/106)