cpackRPM doesn't attach an attribute "%config" to ABSOLUTE_DESTINATION_FILES
I suppose the problem is in the CPackRPM.cmake module
This problem was introduced by 7c7efd1e
Wrong code:
set(CPACK_ABSOLUTE_DESTINATION_FILES_INTERNAL "{
{COMPONENT_FILES_TAG}}")
Right code:
set(CPACK_ABSOLUTE_DESTINATION_FILES_INTERNAL "${COMPONENT_FILES_TAG}")