Autogen: Overwrite info files when changed only
Check if the content of the AUTOMOC/UIC/RCC info file will change before overwriting it. This avoids unnecessary AUTORCC rebuilds when AUTORCC unrelated CMake settings change.
Check if the content of the AUTOMOC/UIC/RCC info file will change before overwriting it. This avoids unnecessary AUTORCC rebuilds when AUTORCC unrelated CMake settings change.