^CMake Error at OBJECTwithNoSourcesButLinkObjects.cmake:[0-9]+ \(add_library\):
  No SOURCES given to target: TestObjectLibWithoutSources
Call Stack \(most recent call first\):
  CMakeLists.txt:[0-9]+ \(include\)
+
CMake Generate step failed\.  Build files cannot be regenerated correctly\.$