^CMake Error at READ_SYMLINK-notsymlink\.cmake:[0-9]+ \(file\):
  file READ_SYMLINK requested of path that is not a symlink:

    .*/Tests/RunCMake/file/READ_SYMLINK-notsymlink-build/rel\.sym
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)$