CMake Error at EscapeChar-@char@-@testnum@.cmake:3 \(message\):
  Syntax error in cmake code at

    .*/Tests/RunCMake/Syntax/EscapeChar-@char@-@testnum@.cmake:3

  when parsing string

    -->\\@char@<--

  Invalid character escape '\\@char@'.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)