CMake Error at FILTER-wrong-operator\.cmake:[0-9]+ \(file\):
  Error evaluating generator expression:

    \$<LIST:FILTER,a;b;c,WRONG_OPERATOR,\^a>

  sub-command FILTER does not recognize operator "WRONG_OPERATOR"\.  It must
  be either INCLUDE or EXCLUDE\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
