[CMake] QT AUTOMOC problems with latest versions

[Jose Fernandez Navarro]

Hello, 

The cmake’s automoc functionality has stopped working in my codebase since version 3.8.2 and 3.9.1. 

My code base was compiling/building fine until I updated CMake. If I downgrade it to 3.7.9 or lower then it compiles fine again. 

The error code that I get is the following:

Scanning dependencies of target analysis
[ 65%] Building CXX object src/model/CMakeFiles/model.dir/GeneItemModel.cpp.o
[ 66%] Building CXX object src/analysis/CMakeFiles/analysis.dir/AnalysisDEA.cpp.o
[ 67%] Building CXX object src/viewRenderer/CMakeFiles/viewRenderer.dir/GraphicItemGL.cpp.o
[ 68%] Built target viewPages
[ 70%] Building CXX object src/model/CMakeFiles/model.dir/SpotItemModel.cpp.o
[ 71%] Built target viewRenderer
[ 72%] Building CXX object src/analysis/CMakeFiles/analysis.dir/AnalysisQC.cpp.o
[ 73%] Building CXX object src/analysis/CMakeFiles/analysis.dir/AnalysisCorrelation.cpp.o
[ 74%] Built target model
[ 75%] Building CXX object src/analysis/CMakeFiles/analysis.dir/AnalysisClustering.cpp.o
[ 76%] Building CXX object src/analysis/CMakeFiles/analysis.dir/ChartView.cpp.o
[ 77%] Built target analysis
Scanning dependencies of target STViewer
make[2]: *** No rule to make target `src/dialogs/CMakeFiles/dialogs.dir/dialogs_autogen/moc_compilation.cpp.o', needed by `STViewer.app/Contents/MacOS/STViewer'.  Stop.
make[2]: *** Waiting for unfinished jobs....
[ 78%] Building CXX object src/CMakeFiles/STViewer.dir/main.cpp.o
[ 81%] Building CXX object src/CMakeFiles/STViewer.dir/STViewer_autogen/moc_compilation.cpp.o
[ 82%] Building CXX object src/CMakeFiles/STViewer.dir/mainWindow.cpp.o
[ 82%] Building CXX object src/CMakeFiles/STViewer.dir/STViewer_autogen/AXPSB5LYZJ/qrc_application.cpp.o
make[1]: *** [src/CMakeFiles/STViewer.dir/all] Error 2
make: *** [all] Error 2

The source is structured in different source folders and I use the cmake’s automoc set(CMAKE_AUTOMOC ON)

Has anybody experienced similar issues? Has anything changed in the way cmake performs automoc 
since version 3.8.x? 

Thanks in advance!

Best,
Jose


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