X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/7447419266981a80c4191403df3b84b5b3467f90..8b2869c0d248af7658d90d79aea3ce81b3ccdf62:/popt/system.h

diff --git a/popt/system.h b/popt/system.h
index 85daed3b..b147af71 100644
--- a/popt/system.h
+++ b/popt/system.h
@@ -69,5 +69,10 @@ char *alloca ();
 #define	xstrdup(_str)	strdup(_str)
 #endif  /* HAVE_MCHECK_H && defined(__GNUC__) */
 
+#if defined(__GNUC__) || !(defined(__hpux) || defined(_hpux) || defined (hpux))
+#define UNUSED(x) x __attribute__((__unused__))
+#else
+#define UNUSED(x) x
+#endif
 
 #include "popt.h"