Comment 29 for bug 399522

(In reply to comment #17)
> I think that part of the problem is that I don't have the qt4 use flag enabled.
> The documentation states that -u is for gui (normal default) and -i is for
> interactive. If I run hp-setup -i, it gives an error indicating an
> unrecognized option. Running hp-setup with no arguments works and run in
> interactive mode. This is also true of hp-plugin. To me, the correct solution
> is to find out why -i is not accepted when USE=-qt4 and fix that (then the old
> patch is not needed). The error message from hp-setup -i is attached. The
> funny part is that the error message shows usage info for -i and even includes
> examples of using -i and then complains that -i is invalid.

If you build hplip without GUI (USE="-qt4") there is no -i or -u flag available because only interactive mode is possible. The confusing thing is that hp-setup lists the options as available.