--- gcc/config/tm-hp9k320.h	2018/04/24 17:00:37	1.1.1.4
+++ gcc/config/tm-hp9k320.h	2018/04/24 17:02:28	1.1.1.5
@@ -97,8 +97,9 @@ the Free Software Foundation, 675 Mass A
  "%{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}"
 
 /* special directory for gnu libs on hp-ux system */
-#undef STANDARD_STARTFILE_PREFIX
+#ifndef STANDARD_STARTFILE_PREFIX
 #define STANDARD_STARTFILE_PREFIX "/usr/local/lib/gnu/"
+#endif
 
 #endif /* Not HPUX_ASM */