Index: memtest86+-5.01/Makefile
===================================================================
--- memtest86+-5.01.orig/Makefile
+++ memtest86+-5.01/Makefile
@@ -12,7 +12,7 @@ FDISK=/dev/fd0
 AS=as -32
 CC=gcc
 
-CFLAGS= -Wall -march=i486 -m32 -O1 -fomit-frame-pointer -fno-builtin \
+CFLAGS= -Wall -march=i486 -m32 -O0 -fomit-frame-pointer -fno-builtin \
 	-ffreestanding -fPIC $(SMP_FL) -fno-stack-protector 
 
 # This reverts a change introduced with recent binutils (post
Index: memtest86+-5.01/io.h
===================================================================
--- memtest86+-5.01.orig/io.h
+++ memtest86+-5.01/io.h
@@ -31,7 +31,7 @@
  */
 
 #define __OUT1(s,x) \
-extern inline void __out##s(unsigned x value, unsigned short port) {
+static inline void __out##s(unsigned x value, unsigned short port) {
 
 #define __OUT2(s,s1,s2) \
 __asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1"
@@ -43,7 +43,7 @@ __OUT1(s##_p,x) __OUT2(s,s1,"w") : : "a"
 __OUT1(s##c_p,x) __OUT2(s,s1,"") : : "a" (value), "id" (port)); SLOW_DOWN_IO; }
 
 #define __IN1(s) \
-extern inline RETURN_TYPE __in##s(unsigned short port) { RETURN_TYPE _v;
+static inline RETURN_TYPE __in##s(unsigned short port) { RETURN_TYPE _v;
 
 #define __IN2(s,s1,s2) \
 __asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0"
