Re: Begin phasing out support for Qt 4?

[John W. Eaton]

On 04/03/2018 01:31 PM, Mike Miller wrote:
> On Tue, Apr 03, 2018 at 08:27:57 -0400, John W. Eaton wrote:

> > We would only fall back to Qt4 automatically if none of the required Qt5
> > libraries and tools are detected.
>
> Yeah, I think that would be better. So if and only if there are no Qt 5
> pkg-config files present, then automatically try with Qt 4.

I checked in my attempt here:

http://hg.savannah.gnu.org/hgweb/octave/rev/f191e1a26095

The configure script will stop checking if a Qt module is missing.  I 
did not try to handle the case of modules available but some tools 
missing, but we could try that if it isn't too difficult.

jwe