Define STARTFILE_PREFIX_SPEC for powerpc VxWorks < 7

2019-12-30  Doug Rupp  <rupp@adacore.com>

	* config/rs6000/vxworks.h (STARTFILE_PREFIX_SPEC): Define.

From-SVN: r279778

gcc/ChangeLog

+2019-12-30  Doug Rupp  <rupp@adacore.com>
+
+	* config/rs6000/vxworks.h (STARTFILE_PREFIX_SPEC): Define.
+
 2019-12-30  Olivier Hainque  <hainque@adacore.com>
             Jerome Lambourg  <labourg@adacore.com>
 

gcc/config/rs6000/vxworks.h

@@ -43,6 +43,13 @@ along with GCC; see the file COPYING3.  If not see
     }		\
   while (0)
 
+/* vx6 library path.  */
+#if !TARGET_VXWORKS7
+#undef  STARTFILE_PREFIX_SPEC
+#define STARTFILE_PREFIX_SPEC						\
+ "%{mrtp:%{!shared:%:getenv(WIND_BASE /target/lib/usr/lib/ppc/PPC32/common)}}"
+#endif
+
 /* Only big endian PPC is supported by VxWorks.  */
 #undef BYTES_BIG_ENDIAN
 #define BYTES_BIG_ENDIAN 1