1 files changed, 5 insertions, 0 deletions
diff --git a/pb.h b/pb.h
index ea94efc5..502958be 100644
--- a/pb.h
+++ b/pb.h
@@ -17,6 +17,11 @@
 #define pb_packed
 #endif
 
+/* Handly macro for suppressing unreferenced-parameter compiler warnings.    */
+#ifndef UNUSED
+#define UNUSED(x) (void)(x)
+#endif
+
 /* List of possible field types. These are used in the autogenerated code.
  * Least-significant 4 bits tell the scalar type
  * Most-significant 4 bits specify repeated/required/packed etc.