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Bug 2673 - Inconsistent selection of files for 'automoc'
Summary: Inconsistent selection of files for 'automoc'
Status: NEW
Alias: None
Product: TDE
Classification: Unclassified
Component: qt3 (show other bugs)
Version: R14.1.x [Trinity]
Hardware: All All
: P5 major
Assignee: Timothy Pearson
URL:
Depends on:
Blocks: 2969
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Reported: 2016-07-26 10:55 CDT by Slávek Banko
Modified: 2018-08-30 02:24 CDT (History)
4 users (show)

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Description Slávek Banko 2016-07-26 10:55:15 CDT 
I'm working on porting an application for TDE and I came across an inconsistent behavior of 'automocing':

1) tqmake: For automoc are selected header files that contain TQ_OBJECT.

2) automake: For automoc are selected header files that contain Q_OBJECT or cpp files that include '*.moc' file.

3) cmake: For automoc are selected cpp files that include '*.moc' file.


It is certainly not good to be fundamentally different behavior.

Ad 1) I believe that this method is completely wrong. TQ_OBJECT is not used anywhere in the entire GIT tree. We need to fix tqmake to use Q_OBJECT instead of TQ_OBJECT. This will require adjustments in Tim's automation scripts.

Ad 2) This is the best way. No modifications are required for automake.

Ad 3) It would be useful to adjust common cmake module to also be able to automoc header files that contain Q_OBJECT.
Comment 1 Timothy Pearson 2016-07-26 17:37:16 CDT 
One of the goals, achieved already in the Qt4 / TDE integration application, was to be able to compile a single application that uses both TQt3 and Qt4/Qt5/Qt6.  If we use the same Q_OBJECT string for both versions of moc, at least under Qt4 the result was a compilation failure.
Comment 2 Slávek Banko 2016-07-27 18:07:48 CDT 
Oh, I understand. In cases 2 and 3 is used tmoc, which internally permorm renaming Q_OBJECT => TQ_OBJECT. While in tqmake is expected already TQ_OBJECT. The difference of behavior is probably intentional.
Comment 3 Michele Calgaro 2016-12-06 04:22:00 CST 
I totally missed this bug before :-(

IMO, since we have made a big effort to rename Qt to TQt, I think we should unify everything and use TQ_OBJECT to be consistent with our "rename policy".
If we need to modify some tools, we should do that.

What do you think?