#include <glog/logging.h>
#include <folly/Singleton.h>
+#include <folly/portability/Config.h>
#ifdef FOLLY_USE_SYMBOLIZER
-#include <folly/experimental/symbolizer/SignalHandler.h>
+#include <folly/experimental/symbolizer/SignalHandler.h> // @manual
#endif
#include <folly/portability/GFlags.h>