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Reputation: 2759

How does AUTOMOC adds files to mocs_compilation.cpp?

I'm porting a Qt project to CMake and after adding set(CMAKE_AUTOUIC ON) I've started experiencing a bunch of compilation problems, which are triggered when trying to compile mocs_compilation.cpp, such as error C2504: 'Lucene::Reader': base class undefined.

After looking into mocs_compilation.cpp, I've found that the file is nothing more than a long list of #include statements bundling source files into a huge translation unit.

CMake's documention mentions the following about mocs_compilation.cpp;

(...)

Not included moc_.cpp files will be generated in custom folders to avoid name collisions and included in a separate <AUTOGEN_BUILD_DIR>/mocs_compilation.cpp file which is compiled into the target.

(...)

With this in mind, how does AUTOMOC determine which files go into mocs_compilation.cpp? And is there any way to keep source files out of mocs_compilation.cpp and build them separately?

Upvotes: 1

Views: 1124

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