The Meta-Object Compiler, `moc`, handles Qt's C++ extensions and it is required for signals and slots and properties in Qt. `moc` reads C++ header files and if the `Q_OBJECT` macro is used, it generates an extra `.cpp` file named `moc_filename.cpp` containing extra (meta-object) code. This post has a bit of background information and a shell script to automatically include `moc_*.cpp` files in your code whenever `Q_OBJECT` is used. If you use `qmake`, this will probably speed up your build an...
