CMake Error at .*/Modules/FeatureSummary\.cmake:[0-9]+. \(message\): The WHAT argument of FEATURE_SUMMARY\(\) contains FOO, which is not a valid value\. Call Stack \(most recent call first\): FeatureSummaryWhatSingleUnknown\.cmake:[0-9]+ \(feature_summary\) CMakeLists.txt:[0-9]+ \(include\)
