UI interdependency problems while building Subsurface

[Willem Ferguson]

I need some help with what looks like not a simple problem with the way 
ui_ files (generated by the Qt metacompiler) interact. I have a PR 
pending on the Subsurface GitHub site that gives compilation errors that 
I cannot solve.

I moved the three files (TabDiveStatistics.*) located in 
src/subsurface/desktop-widgets/tab-widgets to a separate directory 
(src/subsurface/stats_widget) and it has brought lots of problems. 
Following a suggestion of @bstoeger I renamed the three files to 
lowercase, so they are (after application of the PR) located at 
subsurface/stats-widget/tab_divestatistics.*

One of the three files is tab_divestatistics.ui (formerly 
desktop-widgets/tab-widgets/TabDiveStatistics.ui). The Metampiler turns 
tab_divestatistics.ui into a c++ header file ui_tab_divestatistics.h. 
This header file, in turn, includes ui_renumber.h which resides in 
subsurface/build/desktop-widgets and NOT in 
subsurface/build/stats-widget (where one finds ui_tab_divestatistics). 
It appears that the build script expects ui_renumber.h in stats-widget. 
This, moving tab_divestatistics.ui from desktop-widgets/tab-widgets is 
causing some includes to fail with a "file not found" error.

Diagramatically, the move of files is like this:

Before move of source code:

subsurface/desktop-widgets/tab/widgets/

     TabDiveStatistics.h

     TabDiveStatistics.cpp

     TabDiveStatistics.ui


After move of source code:

subsurface/stats-widget

     tab_divestatistics.h

     tab_divestatistics.cpp

     tab_divestatistics.ui


After build process:

subsurface/build/desktop-widgets

     ui_renumber.h

subsurface/stats-widget

     ui_tab_divestatistics.h


and the problem is that ui_tab_divestatistics.h cannot find 
ui_renumber.h. Before moving the sourcecode, both ui_ files were in 
build/desktop_widgets.

Does anyone have advice?

Kind regards,

willem





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