Don't use __attribute__((__unused__)) on HP-UX w/o gcc.

diff --git a/popt/system.h b/popt/system.h
index eac5fb1..b147af7 100644 (file)
--- a/popt/system.h
+++ b/popt/system.h
@@ -69,6 +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"