sysv4.h (DBX_DEBUGGING_INFO): Undef.

        * config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef.
        * config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove
        commented out override.

From-SVN: r47364

gcc/ChangeLog

+2001-11-26  Richard Henderson  <rth@redhat.com>
+
+	* config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef.
+	* config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove
+	commented out override.
+
 2001-11-26  Neil Booth  <neil@daikokuya.demon.co.uk>
 
 	* cppfiles.c (stack_include_file): Don't optimize zero-length

gcc/config/ia64/aix.h

@@ -35,9 +35,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define SET_ASM_OP	"\t.set\t"
 
-/*#undef PREFERRED_DEBUGGING_TYPE*/
-/*#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG*/
-
 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX
 #define MD_STARTFILE_PREFIX "/usr/lib/ia64l64/"

gcc/config/ia64/sysv4.h

@@ -4,6 +4,9 @@
 #undef PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
+/* Stabs does not work properly for 64-bit targets.  */
+#undef DBX_DEBUGGING_INFO
+
 /* Various pseudo-ops for which the Intel assembler uses non-standard
    definitions.  */