qt4: make FHS-friendly (bug #196901)

[Rex Dieter]

Michael Schwendt wrote:

> What will $QTDIR, $QTLIB and $QTINC look like?  Will your layout break
> anything which uses $QTDIR/lib, $QTDIR/include and $QTDIR/bin?

QTDIR,QTLIB,QTINC are qt3 constructs, not used in qt4 at all.  qt4 apps 
(mostly) use pkg-config to query this type of thing.

>> But the qt4 heirarchy (%_libdir/qt) will still exist, containing other 
>> arch-specific bits (binaries, plugins, etc...)
>>
>> This arrangement doesn't preclude having another parallel-installable 
>> qt4 somewhere else, but that's not ever much of a concern/priority, imo.
> 
> How about another parallel installable _other_ version of Qt? e.g.
> Qt 3.x, Qt 2.x. What about namespace clashes?

It's certainly still installable along-side qt(3).  I wouldn't have 
tried this if it weren't.

-- Rex