qmake no longer works after yum update

[ak120]

By updating a system with yum, qmake no longer works.
Output:
sh.exe: 1: cd: can't cd to c:Projektqtkapow-1.4.4.2

[Silvan Scherrer]

qmake is not designed to work with a shell beside cmd. qmake always needs cmd as the shell. this is/was the case since ever.

[ak120]

Thanks, I know about this. Before posting here I read the README file.
My environment values are OS2_SHELL=C:\OS2\CMD.EXE and MAKESHELL=C:\OS2\CMD.EXE.
And qmake is run from CMD.EXE inside a OS/2 window. So what's the reason for it wants to call a different shell, which I did not have specified anywhere?

[Silvan Scherrer]

this is only possible if you changed qmake.conf or such. It's for sure a local env issue, as else we all could not build anymore.