^CMake Error at CallEnableLanguage-toolchain.cmake:[0-9]+ \(enable_language\):
  Language 'NONE' is currently being enabled.  Recursive call not allowed.
Call Stack \(most recent call first\):
  .*/Modules/CMakeDetermineSystem.cmake:[0-9]+ \(include\)
  CMakeLists.txt:[0-9]+ \(project\)$