--- memtest86-3.0/config.c~	Tue May 21 20:27:11 2002
+++ memtest86-3.0/config.c	Sun May 26 22:18:38 2002
@@ -10,7 +10,7 @@
 
 extern int bail;
 extern struct tseq tseq[];
-extern struct vars *v;
+extern struct vars * const v;
 extern short e820_nr;
 extern char memsz_mode;
 
--- memtest86-3.0/test.c~	Sun May 26 22:16:13 2002
+++ memtest86-3.0/test.c	Sun May 26 22:16:35 2002
@@ -9,7 +9,7 @@
 extern int segs, bail;
 extern volatile ulong *p;
 extern ulong p1, p2;
-extern struct vars *v;
+extern struct vars * const v;
 extern int test_ticks, nticks;
 extern struct tseq tseq[];
 void poll_errors();
--- memtest86-3.0/lib.c~	Wed May 22 01:12:07 2002
+++ memtest86-3.0/lib.c	Sun May 26 22:17:04 2002
@@ -9,7 +9,7 @@
 #include "config.h"
 #include "screen_buffer.h"
 
-extern struct vars *v;
+extern struct vars * const v;
 
 int slock = 0, lsr = 0;
 short serial_cons = SERIAL_CONSOLE_DEFAULT;
--- memtest86-3.0/Makefile~	Tue Apr 23 13:21:05 2002
+++ memtest86-3.0/Makefile	Sun May 26 22:19:33 2002
@@ -12,7 +12,7 @@
 #
 # gcc compiler options, these settings should suffice
 #
-CCFLAGS=-Wall -march=i486 -O -fomit-frame-pointer -fno-builtin
+CCFLAGS=-Wall -march=i486 -O2 -fomit-frame-pointer -fno-builtin
 
 AS=as
 
--- memtest86-3.0/patn.c~	Thu Oct 18 01:30:32 2001
+++ memtest86-3.0/patn.c	Sun May 26 22:18:28 2002
@@ -18,7 +18,7 @@
 #define DEFAULT_MASK ((~0L) << 2)
 
 
-extern struct vars *v;
+extern struct vars * const v;
 
 
 /* What it does:
--- memtest86-3.0/init.c~	Wed May 22 00:52:37 2002
+++ memtest86-3.0/init.c	Sun May 26 22:16:49 2002
@@ -11,7 +11,7 @@
 #include "pci.h"
 #include "io.h"
 
-extern struct vars *v;
+extern struct vars * const v;
 extern short memsz_mode;
 extern short firmware;