CMake Error at add_executable\.cmake:[0-9]+ \(add_executable\):
  Error evaluating generator expression:

    \$<HOST_LINK:empty\.c>

  \$<HOST_LINK:\.\.\.> may only be used with binary targets to specify link
  options\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
