CMake Error at Escape2.cmake:4 \(message\):
  Syntax error in cmake code at

    .*/Tests/RunCMake/Syntax/Escape2.cmake:4

  when parsing string

    \\

  Invalid character escape '\\' \(at end of input\).
Call Stack \(most recent call first\):
  Escape2.cmake:7 \(escape\)
  CMakeLists.txt:3 \(include\)