^CMake Warning \(dev\) at EncodingUnknown\.cmake:[0-9]+ \(execute_process\):
  ENCODING option given unknown value "unknown"\.  Ignoring\.
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
This warning is for project developers\.  Use -Wno-dev to suppress it\.$