diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0cedba80ce..54e045b2d0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 Thu Sep  2 00:07:36 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
+	* config/m88k/delta88v4.h (NATDEPFILES): Remove infptrace.o inftarg.o.
+
 	* config/m88k/xm-dgux.h: Renamed from config/m88k/xm-m88k.h.
 	* config/m88k/m88k.mh: Use xm-dgux.h.
 	* config/m88k/xm-m88k.h: New file, with HOST_BYTE_ORDER,
diff --git a/gdb/config/m88k/delta88v4.mh b/gdb/config/m88k/delta88v4.mh
index 5de1366df6..3cf43ffce2 100644
--- a/gdb/config/m88k/delta88v4.mh
+++ b/gdb/config/m88k/delta88v4.mh
@@ -2,7 +2,7 @@
 XDEPFILES= 
 XM_FILE= xm-delta88v4.h
 NAT_FILE= nm-delta88v4.h
-NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o m88k-nat.o corelow.o \
+NATDEPFILES= exec.o fork-child.o m88k-nat.o corelow.o \
 	core-svr4.o procfs.o solib.o
 REGEX=regex.o
 REGEX1=regex.o
diff --git a/gdb/config/m88k/tm-delta88v4.h b/gdb/config/m88k/tm-delta88v4.h
index 7dccb1176f..129b84272f 100644
--- a/gdb/config/m88k/tm-delta88v4.h
+++ b/gdb/config/m88k/tm-delta88v4.h
@@ -21,3 +21,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "m88k/tm-m88k.h"
 #include "tm-sysv4.h"
+
+/* If we don't define this, backtraces go on forever.  */
+#define FRAME_CHAIN_VALID_ALTERNATE 1