CMake Error at LinkObjRHS2.cmake:1 \(add_library\):
  Target "A" links to OBJECT library "AnObjLib" but this is not allowed.  One
  may link only to STATIC or SHARED libraries, or to executables with the
  ENABLE_EXPORTS property set.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)