diff -Nur uClibc-0.9.30.1.orig/Rules.mak uClibc-0.9.30.1/Rules.mak
--- uClibc-0.9.30.1.orig/Rules.mak	2009-03-02 22:10:04.000000000 +0100
+++ uClibc-0.9.30.1/Rules.mak	2009-06-18 16:02:34.000000000 +0200
@@ -150,9 +150,10 @@
 # Flags in OPTIMIZATION are used only for non-debug builds
 OPTIMIZATION:=
 # Use '-Os' optimization if available, else use -O2, allow Config to override
-OPTIMIZATION+=$(call check_gcc,-Os,-O2)
+# disable, let OpenADK do the optimization
+#OPTIMIZATION+=$(call check_gcc,-Os,-O2)
 # Use the gcc 3.4 -funit-at-a-time optimization when available
-OPTIMIZATION+=$(call check_gcc,-funit-at-a-time,)
+#OPTIMIZATION+=$(call check_gcc,-funit-at-a-time,)
 
 GCC_MAJOR_VER?=$(shell $(CC) -dumpversion | cut -d . -f 1)
 #GCC_MINOR_VER?=$(shell $(CC) -dumpversion | cut -d . -f 2)
@@ -547,7 +548,7 @@
 
 LDFLAGS:=$(LDFLAGS_NOSTRIP) -Wl,-z,defs
 ifeq ($(DODEBUG),y)
-CFLAGS += -O0 -g3
+CFLAGS += 
 else
 CFLAGS += $(OPTIMIZATION) $(XARCH_CFLAGS)
 endif