Hello Venedict, I took a look at this again, thanks for the additional information. In fact this isn't VS specific. I was able to reproduce the issue using Linux/Makefiles.
> Got the fix, hopefully it can be merged in :) > https://github.com/Personwithhat/custom_cmake/commit/d7930c36c6aa7956a806a28 > 4aa7e1e430ef6c174 This change is too intrusive and breaks a lot of other things. > >>> set (MOC_COMPILATION > >>> "${CMAKE_CURRENT_BINARY_DIR}/${TargetProject}_autogen/mocs_compilation.c > >>> pp") # stdafx.h needs to be included to ensure platform definitions are > >>> visible > >>> set_property(SOURCE "${MOC_COMPILATION}" APPEND_STRING PROPERTY > >>> COMPILE_FLAGS " /FI\"${PrecompiledHeader}\"") Setting compiler flags on the mocs_compilation.cpp file is the root cause. I'll investigate this deeper. -Sebastian -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: https://cmake.org/mailman/listinfo/cmake-developers