CMake Error at TRANSFORM-selector-REGEX-wrong-regex\.cmake:[0-9]+ \(file\):
  Error evaluating generator expression:

    \$<LIST:TRANSFORM,a;b,TOUPPER,REGEX,\(a>

  sub-command TRANSFORM, selector REGEX failed to compile regex "\(a"\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
