diff -ru stk-4.4.2/projects/demo/Makefile stk-4.4.2.new/projects/demo/Makefile
--- stk-4.4.2/projects/demo/Makefile	2010-02-06 21:04:11.844637942 +0100
+++ stk-4.4.2.new/projects/demo/Makefile	2010-02-06 20:05:59.067651483 +0100
@@ -33,7 +33,7 @@
 CC       = g++
 DEFS     =   -DHAVE_GETTIMEOFDAY  -D__UNIX_JACK__ -D__LINUX_ALSASEQ__
 DEFS    += -D__LITTLE_ENDIAN__
-CFLAGS   = -O3 -Wall
+CFLAGS   = -O2 -march=i686 -mtune=i686 -Wall
 CFLAGS  += -I$(INCLUDE) -I$(INCLUDE)/../src/include
 LIBRARY = -lpthread -lasound -lasound -ljack -lm 
 
diff -ru stk-4.4.2/projects/effects/Makefile stk-4.4.2.new/projects/effects/Makefile
--- stk-4.4.2/projects/effects/Makefile	2010-02-06 21:04:11.887638740 +0100
+++ stk-4.4.2.new/projects/effects/Makefile	2010-02-06 20:07:05.153640618 +0100
@@ -22,7 +22,7 @@
 CC       = g++
 DEFS     =   -DHAVE_GETTIMEOFDAY  -D__UNIX_JACK__ -D__LINUX_ALSASEQ__
 DEFS    += -D__LITTLE_ENDIAN__
-CFLAGS   = -O3 -Wall
+CFLAGS   = -O2 -march=i686 -mtune=i686 -Wall
 CFLAGS  += -I$(INCLUDE) -I$(INCLUDE)/../src/include
 LIBRARY = -lpthread -lasound -lasound -ljack -lm 
 
diff -ru stk-4.4.2/projects/examples/Makefile stk-4.4.2.new/projects/examples/Makefile
--- stk-4.4.2/projects/examples/Makefile	2010-02-06 21:04:11.944646699 +0100
+++ stk-4.4.2.new/projects/examples/Makefile	2010-02-06 20:07:05.157637496 +0100
@@ -16,7 +16,7 @@
 CC       = g++
 DEFS     =   -DHAVE_GETTIMEOFDAY  -D__UNIX_JACK__ -D__LINUX_ALSASEQ__
 DEFS    += -D__LITTLE_ENDIAN__
-CFLAGS   = -O3 -Wall
+CFLAGS   = -O2 -march=i686 -mtune=i686 -Wall
 CFLAGS  += -I$(INCLUDE) -I$(INCLUDE)/../src/include
 LIBRARY = -lpthread -lasound -lasound -ljack -lm 
 
diff -ru stk-4.4.2/projects/ragamatic/Makefile stk-4.4.2.new/projects/ragamatic/Makefile
--- stk-4.4.2/projects/ragamatic/Makefile	2010-02-06 21:04:11.910637829 +0100
+++ stk-4.4.2.new/projects/ragamatic/Makefile	2010-02-06 20:06:55.756643087 +0100
@@ -23,7 +23,7 @@
 CC       = g++
 DEFS     =   -DHAVE_GETTIMEOFDAY  -D__UNIX_JACK__ -D__LINUX_ALSASEQ__
 DEFS    += -D__LITTLE_ENDIAN__
-CFLAGS   = -O3 -Wall
+CFLAGS   = -O2 -march=i686 -mtune=i686 -Wall
 CFLAGS  += -I$(INCLUDE) -I$(INCLUDE)/../src/include
 LIBRARY = -lpthread -lasound -lasound -ljack -lm 
 
diff -ru stk-4.4.2/src/Makefile stk-4.4.2.new/src/Makefile
--- stk-4.4.2/src/Makefile	2010-02-06 21:04:11.819646002 +0100
+++ stk-4.4.2.new/src/Makefile	2010-02-06 20:04:53.965649121 +0100
@@ -43,7 +43,7 @@
 CC       = g++
 DEFS     =   -DHAVE_GETTIMEOFDAY  -D__UNIX_JACK__ -D__LINUX_ALSASEQ__
 DEFS    += -D__LITTLE_ENDIAN__
-CFLAGS   = -O3 -Wall
+CFLAGS   = -O2 -march=i686 -mtune=i686 -Wall
 CFLAGS  += $(INCLUDE) -Iinclude -fPIC
 LIBS     = -lpthread -lasound -lasound -ljack -lm