^CMake Warning \(dev\) at MATH-ToleratedExpression.cmake:1 \(math\):
  Unexpected character in expression at position 1: '

  Unexpected character in expression at position 7: '

Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
This warning is for project developers.  Use -Wno-dev to suppress it.$