^CMake Error at CMakeLists.txt:[0-9]+ \(project\):
  Generator

    Visual Studio [^
]+

  given platform specification (containing a

    version=8\.1

  field\.  The version field is not supported when targeting

    Windows 8\.1(

  with the Windows 8\.1 SDK installed\.)?|with

    version=8\.1

  field, but no Windows SDK with that version was found\.)$