CMake Error at add_test\.cmake:5 \(add_test\):
  Error evaluating generator expression:

    \$<COMPILE_LANG_AND_ID:CXX,GNU>

  \$<COMPILE_LANG_AND_ID:lang,id> may only be used with binary targets to
  specify include directories, compile definitions, compile options, and
  compile wrappers\.  It may not be used with the add_custom_command,
  add_custom_target, or file\(GENERATE\) commands\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:3 \(include\)
