CMake Error at .*/Modules/FindPackageHandleStandardArgs.cmake:[0-9]+ \(message\):
  The argument for FOUND_VAR is "badfoundvar_FOUND", but only
  "BadFoundVar_FOUND" and "BADFOUNDVAR_FOUND" are valid names.
Call Stack \(most recent call first\):
  FindBadFoundVar.cmake:[0-9]+ \(find_package_handle_standard_args\)
  BadFoundVar.cmake:[0-9]+ \(find_package\)
  CMakeLists.txt:[0-9]+ \(include\)