CMake Error at TRANSFORM-selector-FOR-negative-step.cmake:[0-9]+ \(file\):
  Error evaluating generator expression:

    \$<LIST:TRANSFORM,a;b;c,TOUPPER,FOR,0,2,-1>

  sub-command TRANSFORM, selector FOR expects positive numeric value for
  <step>.
Call Stack \(most recent call first\):
  CMakeLists.txt:[0-9]+ \(include\)