diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-audio-sdl/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-audio-sdl/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-audio-sdl/projects/unix/Makefile	2010-11-23 03:15:11.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-audio-sdl/projects/unix/Makefile	2010-11-24 08:49:46.150000002 +0100
@@ -111,7 +111,7 @@
       CFLAGS += -pipe -O3 -march=athlon64
       LDFLAGS += -ldl
     else
-      CFLAGS += -pipe -O3 -mmmx -msse -march=i686 -mtune=pentium-m -fomit-frame-pointer
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686 -fomit-frame-pointer
       LDFLAGS += -ldl
     endif
   endif
diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-core/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-core/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-core/projects/unix/Makefile	2010-11-23 03:15:08.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-core/projects/unix/Makefile	2010-11-24 08:49:46.181000002 +0100
@@ -113,7 +113,7 @@
     ifeq ($(ARCH_DETECTED), 64BITS)
       CFLAGS += -pipe -O3 -march=athlon64
     else
-      CFLAGS += -pipe -O3 -mmmx -msse -march=i686 -mtune=pentium-m
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686
       ifneq ($(PROFILE), 1)
         CFLAGS += -fomit-frame-pointer
       endif
diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-input-sdl/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-input-sdl/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-input-sdl/projects/unix/Makefile	2010-11-23 03:15:13.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-input-sdl/projects/unix/Makefile	2010-11-24 08:49:46.187000002 +0100
@@ -115,7 +115,7 @@
       CFLAGS += -march=athlon64
       LDFLAGS += -ldl
     else
-      CFLAGS += -mmmx -msse -march=i686 -mtune=pentium-m -fomit-frame-pointer
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686 -fomit-frame-pointer
       LDFLAGS += -ldl
     endif
   endif
diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-rsp-hle/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-rsp-hle/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-rsp-hle/projects/unix/Makefile	2010-11-23 03:15:14.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-rsp-hle/projects/unix/Makefile	2010-11-24 08:49:46.237000002 +0100
@@ -113,7 +113,7 @@
     ifeq ($(ARCH_DETECTED), 64BITS)
       CFLAGS += -pipe -O3 -march=athlon64
     else
-      CFLAGS += -pipe -O3 -mmmx -msse -march=i686 -mtune=pentium-m -fomit-frame-pointer
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686 -fomit-frame-pointer
     endif
   endif
 endif
diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-ui-console/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-ui-console/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-ui-console/projects/unix/Makefile	2010-11-23 03:15:10.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-ui-console/projects/unix/Makefile	2010-11-24 08:50:27.770000002 +0100
@@ -85,7 +85,7 @@
       CFLAGS += -pipe -O3 -march=athlon64
       LDFLAGS += -ldl
     else
-      CFLAGS += -pipe -O3 -mmmx -msse -march=i686 -mtune=pentium-m -fomit-frame-pointer
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686 -fomit-frame-pointer
       LDFLAGS += -ldl
     endif
   endif
diff -ur mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-video-rice/projects/unix/Makefile mupen64plus-bundle-src-1.99.4//source/mupen64plus-video-rice/projects/unix/Makefile
--- mupen64plus-bundle-src-1.99.4.old//source/mupen64plus-video-rice/projects/unix/Makefile	2010-11-23 03:15:17.000000000 +0100
+++ mupen64plus-bundle-src-1.99.4//source/mupen64plus-video-rice/projects/unix/Makefile	2010-11-24 08:51:05.962000002 +0100
@@ -120,7 +120,7 @@
     ifeq ($(ARCH_DETECTED), 64BITS)
       CFLAGS += -pipe -O3 -march=athlon64
     else
-      CFLAGS += -pipe -O3 -mmmx -msse -march=i686 -mtune=pentium-m -fomit-frame-pointer
+      CFLAGS += -pipe -O2 -mmmx -msse -march=i686 -mtune=i686 -fomit-frame-pointer
     endif
   endif
 endif