diff -u -r ../gdb-7.7/gdb/linux-nat.c ./gdb/linux-nat.c
--- ../gdb-7.7/gdb/linux-nat.c	2014-02-06 03:21:29.000000000 +0100
+++ ./gdb/linux-nat.c	2014-02-12 01:55:15.000000000 +0100
@@ -41,7 +41,6 @@
 #include "inf-child.h"
 #include "inf-ptrace.h"
 #include "auxv.h"
-#include <sys/procfs.h>		/* for elf_gregset etc.  */
 #include "elf-bfd.h"		/* for elfcore_write_* */
 #include "gregset.h"		/* for gregset */
 #include "gdbcore.h"		/* for get_exec_file */
@@ -68,6 +67,10 @@
 #include "target-descriptions.h"
 #include "filestuff.h"
 
+#ifndef W_STOPCODE
+#define W_STOPCODE(sig) ((sig) << 8 | 0x7f)
+#endif
+
 #ifndef SPUFS_MAGIC
 #define SPUFS_MAGIC 0x23c9b64e
 #endif
@@ -3789,7 +3792,7 @@
   if (last.kind == TARGET_WAITKIND_FORKED
       || last.kind == TARGET_WAITKIND_VFORKED)
     {
-      ptrace (PT_KILL, ptid_get_pid (last.value.related_pid), 0, 0);
+      ptrace (PTRACE_KILL, ptid_get_pid (last.value.related_pid), 0, 0);
       wait (&status);
 
       /* Let the arch-specific native code know this process is