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

    \$<TARGET_NAME:\$<1:tgt>>

  \$<TARGET_NAME> expression requires literal input.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
+
CMake Generate step failed\.  Build files cannot be regenerated correctly\.$
