CMake Error at OutputNameMatchesObjects.cmake:2 \(file\):
  Error evaluating generator expression:

    \$<TARGET_OBJECTS:foo>

  The evaluation of the TARGET_OBJECTS generator expression is only suitable
  for consumption by CMake.  It is not suitable for writing out elsewhere.
Call Stack \(most recent call first\):
  CMakeLists.txt:6 \(include\)