Currently when configuring there are several warnings related to the use of configure_file( ... @COPYONLY) in the following files:

BlueBerry/Documentation/CMakeLists.txt: ${CMAKE_CURRENT_BINARY_DIR}/${BLUEBERRY_DOXYGEN_STYLESHEET} @COPYONLY)
Documentation/CMakeLists.txt: ${CMAKE_CURRENT_BINARY_DIR}/${MITK_DOXYGEN_STYLESHEET} @COPYONLY)
Modules/CppMicroServices/core/test/modules/libRWithAppendedResources/CMakeLists.txt:configure_file(resources/foo.txt ${CMAKE_CURRENT_BINARY_DIR}/resources/foo2.txt @COPYONLY)
Modules/CppMicroServices/core/test/modules/libRWithLinkedResources/CMakeLists.txt:configure_file(resources/foo.txt ${CMAKE_CURRENT_BINARY_DIR}/resources/foo2.txt @COPYONLY)
Modules/CppMicroServices/core/test/modules/libRWithResources/CMakeLists.txt:configure_file(resources/foo.txt ${CMAKE_CURRENT_BINARY_DIR}/resources/foo2.txt @COPYONLY)

Warning text (example):
CMake Warning (dev) at Modules/CppMicroServices/core/test/modules/libRWithLinkedResources/CMakeLists.txt:6 (configure_file):

configure_file called with unknown argument(s):

 @COPYONLY

This warning is for project developers. Use -Wno-dev to suppress it.

Unless there is a specific reason to keep it like this I will replace it by the correct
COPYONLY