Restore -g not supported warning to default irix5 port.

	* iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
	* iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.

From-SVN: r22007

gcc/ChangeLog

 Wed Aug 26 15:55:41 1998  Jim Wilson  <wilson@cygnus.com>
 
+	* iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
+	* iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
+
 	* configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
 	(rs6000-ibm-aix4.[12]*): Likewise.
 	* configure: Regnerate.

gcc/config/mips/iris5.h

@@ -123,6 +123,7 @@ Boston, MA 02111-1307, USA.  */
 #undef DBX_DEBUGGING_INFO
 #undef SDB_DEBUGGING_INFO
 #undef MIPS_DEBUGGING_INFO
+#undef PREFERRED_DEBUGGING_TYPE
 
 /* Likewise, the assembler doesn't handle DWARF2 directives.  */
 #define DWARF2_UNWIND_INFO 0

gcc/config/mips/iris5gas.h

@@ -4,6 +4,7 @@
 #define DBX_DEBUGGING_INFO
 #define SDB_DEBUGGING_INFO
 #define MIPS_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
 
 /* GNU as does handle DWARF2 directives.  */
 #undef DWARF2_UNWIND_INFO