diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -8807,7 +8807,7 @@ init_breakpoint_sal (struct breakpoint *b, struct gdbarch *gdbarch,
 		     int enabled, int internal, unsigned flags,
 		     int display_canonical)
 {
-  int i;
+  int i ATTRIBUTE_UNUSED;
 
   if (type == bp_hardware_breakpoint)
     {
@@ -14356,7 +14356,7 @@ enable_breakpoint_disp (struct breakpoint *bpt, enum bpdisp disposition,
 
   if (bpt->type == bp_hardware_breakpoint)
     {
-      int i;
+      int i ATTRIBUTE_UNUSED;
       i = hw_breakpoint_used_count ();
       target_resources_ok = 
 	target_can_use_hardware_watchpoint (bp_hardware_breakpoint, 
diff --git a/gdb/config/i386/nm-linux.h b/gdb/config/i386/nm-linux.h
new file mode 100644
--- /dev/null
+++ b/gdb/config/i386/nm-linux.h
@@ -0,0 +1,28 @@
+/* Native support for GNU/Linux i386.
+
+   Copyright 2010 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef NM_LINUX_H
+#define NM_LINUX_H
+
+#include "config/nm-linux.h"
+
+/* Red Hat backward compatibility with gdb-6.8.  */
+#define target_can_use_hardware_watchpoint(type, cnt, ot) 1
+
+#endif /* NM_LINUX64_H */
diff --git a/gdb/config/i386/nm-linux64.h b/gdb/config/i386/nm-linux64.h
new file mode 100644
--- /dev/null
+++ b/gdb/config/i386/nm-linux64.h
@@ -0,0 +1,28 @@
+/* Native support for GNU/Linux amd64.
+
+   Copyright 2010 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef NM_LINUX64_H
+#define NM_LINUX64_H
+
+#include "config/nm-linux.h"
+
+/* Red Hat backward compatibility with gdb-6.8.  */
+#define target_can_use_hardware_watchpoint(type, cnt, ot) 1
+
+#endif /* NM_LINUX64_H */
diff --git a/gdb/configure.nat b/gdb/configure.nat
--- a/gdb/configure.nat
+++ b/gdb/configure.nat
@@ -238,6 +238,7 @@ case ${gdb_host} in
 		;;
 	    i386)
 		# Host: Intel 386 running GNU/Linux.
+		NAT_FILE="${srcdir}/config/${gdb_host_cpu}/nm-linux.h"
 		NATDEPFILES="${NATDEPFILES} x86-nat.o x86-dregs.o \
 		i386-linux-nat.o x86-linux-nat.o linux-btrace.o \
 		x86-linux.o x86-linux-dregs.o"
@@ -290,6 +291,7 @@ case ${gdb_host} in
 	case ${gdb_host_cpu} in
 	    i386)
 		# Host: GNU/Linux x86-64
+		NAT_FILE="${srcdir}/config/${gdb_host_cpu}/nm-linux64.h"
 		NATDEPFILES="${NATDEPFILES} x86-nat.o x86-dregs.o \
 		amd64-nat.o amd64-linux-nat.o x86-linux-nat.o linux-btrace.o \
 		x86-linux.o x86-linux-dregs.o amd64-linux-siginfo.o"
diff --git a/gdb/target.h b/gdb/target.h
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -1953,9 +1953,11 @@ extern struct thread_info *target_thread_handle_to_thread_info
    one.  OTHERTYPE is the number of watchpoints of other types than
    this one used so far.  */
 
+#ifndef target_can_use_hardware_watchpoint
 #define target_can_use_hardware_watchpoint(TYPE,CNT,OTHERTYPE) \
  (current_top_target ()->can_use_hw_breakpoint) ( \
 					     TYPE, CNT, OTHERTYPE)
+#endif
 
 /* Returns the number of debug registers needed to watch the given
    memory region, or zero if not supported.  */