CMake Error at BadNOT.cmake:1 \(add_custom_target\):
  Error evaluating generator expression:

    \$<NOT:>

  NOT requires exactly one '0' or '1' value.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
+
CMake Error at BadNOT.cmake:1 \(add_custom_target\):
  Error evaluating generator expression:

    \$<NOT:,>

  NOT requires exactly one '0' or '1' value.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
+
CMake Error at BadNOT.cmake:1 \(add_custom_target\):
  Error evaluating generator expression:

    \$<NOT:0,1>

  NOT requires exactly one '0' or '1' value.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)$