diff --git a/apps/app.mk b/apps/app.mk
index 2fa2111e..3531c266 100644
--- a/apps/app.mk
+++ b/apps/app.mk
@@ -27,88 +27,6 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-OBJOUT := $(BUILD)$(dir $(subst $(LITEOSTOPDIR),,$(shell pwd)))$(APP_NAME)
+override TARGET = $(OUT)/bin/$(APP_NAME)
 
-APP := $(OUT)/bin/$(APP_NAME)
-
-# create a separate list of objects per source type
-
-LOCAL_CSRCS := $(filter %.c,$(LOCAL_SRCS))
-LOCAL_CPPSRCS := $(filter %.cpp,$(LOCAL_SRCS))
-LOCAL_ASMSRCS := $(filter %.S,$(LOCAL_SRCS))
-LOCAL_ASMSRCS2 := $(filter %.s,$(LOCAL_SRCS))
-LOCAL_CCSRCS := $(filter %.cc,$(LOCAL_SRCS))
-
-LOCAL_COBJS := $(patsubst %.c,$(OBJOUT)/%.o,$(LOCAL_CSRCS))
-LOCAL_CPPOBJS := $(patsubst %.cpp,$(OBJOUT)/%.o,$(LOCAL_CPPSRCS))
-LOCAL_ASMOBJS := $(patsubst %.S,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS))
-LOCAL_ASMOBJS2 := $(patsubst %.s,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS2))
-LOCAL_CCOBJS := $(patsubst %.cc,$(OBJOUT)/%.o,$(LOCAL_CCSRCS))
-
-LOCAL_OBJS := $(LOCAL_COBJS) $(LOCAL_CPPOBJS) $(LOCAL_ASMOBJS) $(LOCAL_ASMOBJS2) $(LOCAL_CCOBJS)
-
-LOCAL_CGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CHS))
-LOCAL_CPPGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CPPHS))
-
-all : $(APP)
-
-define ECHO =
-ifeq ($$(HIDE),@)
-_$(1) := $($(1))
-$(1) = echo "  $(1)" $$(patsubst $$(OUT)/%,%,$$@) && $$(_$(1))
-endif
-endef
-$(foreach cmd,CC GPP AS,$(eval $(call ECHO,$(cmd))))
-
-LOCAL_FLAGS += -MD -MP
--include $(LOCAL_OBJS:%.o=%.d)
-
-$(LOCAL_COBJS): $(OBJOUT)/%.o: %.c
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) -c $< -o $@
-
-$(LOCAL_CPPOBJS): $(OBJOUT)/%.o: %.cpp
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
-
-$(LOCAL_ASMOBJS): $(OBJOUT)/%.o: %.S
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
-
-$(LOCAL_ASMOBJS2): $(OBJOUT)/%.o: %.s
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(AS) $(ASFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
-
-$(LOCAL_CCOBJS): $(OBJOUT)/%.o: %.cc
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
-
-$(LOCAL_CGCH): %.h.gch : %.h
-	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) $> $^
-
-$(LOCAL_CPPGCH): %.h.gch : %.h
-	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -x c++-header $> $^
-
-LOCAL_GCH := $(LOCAL_CGCH) $(LOCAL_CPPGCH)
-
-$(LOCAL_OBJS): $(LOCAL_GCH)
-$(APP): $(LOCAL_OBJS)
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(GPP) $(LDFLAGS) -o $@ $^
-
-clean:
-	$(HIDE)$(RM) $(APP) $(OBJOUT) $(LOCAL_GCH) *.bak *~
-
-.PHONY: all clean
-
-# clear some variables we set here
-LOCAL_CSRCS :=
-LOCAL_CPPSRCS :=
-LOCAL_ASMSRCS :=
-LOCAL_COBJS :=
-LOCAL_CPPOBJS :=
-LOCAL_ASMOBJS :=
-LOCAL_ASMOBJS2 :=
-
-# LOCAL_OBJS is passed back
-#LOCAL_OBJS :=
+include $(MODULE)
diff --git a/apps/config.mk b/apps/config.mk
index bf0c698e..3862ce07 100644
--- a/apps/config.mk
+++ b/apps/config.mk
@@ -69,12 +69,3 @@ endif
 ifeq ($(LOSCFG_DRIVERS_TRACE), y)
 APP_SUBDIRS += trace
 endif
-
-# clear all local variables
-LOCAL_FLAGS    :=
-LOCAL_CFLAGS   :=
-LOCAL_CPPFLAGS :=
-LOCAL_ASFLAGS  :=
-LOCAL_SRCS     :=
-LOCAL_CHS      :=
-LOCAL_CPPHS    :=
diff --git a/arch/arm/arm.mk b/arch/arm/arm.mk
index 4ea755ed..248ef5ee 100644
--- a/arch/arm/arm.mk
+++ b/arch/arm/arm.mk
@@ -74,12 +74,3 @@ ARCH_INCLUDE            := -I $(LITEOSTOPDIR)/arch/arm/include \
                            -I $(LITEOSTOPDIR)/arch/arm/$(ARCH)/src/include
 
 LITEOS_PLATFORM_INCLUDE += $(ARCH_INCLUDE)
-
-# expose FPU info to assembly code
-ifeq ($(LOSCFG_ARCH_FPU_DISABLE), y)
-    LITEOS_CMACRO       += -DLOSCFG_ARCH_FPU_DISABLE
-else ifeq ($(LOSCFG_ARCH_FPU_VFP_D16), y)
-    LITEOS_CMACRO       += -DLOSCFG_ARCH_FPU_VFP_D16
-else ifeq ($(LOSCFG_ARCH_FPU_VFP_D32), y)
-    LITEOS_CMACRO       += -DLOSCFG_ARCH_FPU_VFP_D32
-endif
diff --git a/config.mk b/config.mk
index a72ba1e1..a4fd387b 100644
--- a/config.mk
+++ b/config.mk
@@ -52,10 +52,17 @@ LITEOS_LDFLAGS  := $(LITEOS_LD_OPTS)     $(LITEOS_LD_PATH) \
                    $(LITEOS_LD_SCRIPT)
 
 # clear all local variables
-LOCAL_FLAGS    :=
-LOCAL_CFLAGS   :=
-LOCAL_CPPFLAGS :=
-LOCAL_ASFLAGS  :=
-LOCAL_SRCS     :=
-LOCAL_CHS      :=
-LOCAL_CPPHS    :=
+LOCAL_FLAGS    =
+LOCAL_CFLAGS   =
+LOCAL_CPPFLAGS =
+LOCAL_ASFLAGS  =
+LOCAL_SRCS     =
+LOCAL_CHS      =
+LOCAL_CPPHS    =
+
+# basic build flags
+CFLAGS    := $(LITEOS_CFLAGS)
+CXXFLAGS  := $(LITEOS_CXXFLAGS)
+ASFLAGS   := $(LITEOS_ASFLAGS)
+LDFLAGS   := $(LITEOS_LDFLAGS)
+ARFLAGS   := rc
diff --git a/kernel/user/Makefile b/kernel/user/Makefile
index 8a7c03a3..3136ff5b 100644
--- a/kernel/user/Makefile
+++ b/kernel/user/Makefile
@@ -44,7 +44,7 @@ include $(MODULE)
 
 USERINIT := $(OUT)/lib/lib$(MODULE_NAME).O
 
-$(USERINIT): $(MODULE)
+$(USERINIT): $(TARGET)
 	$(HIDE)$(LD) -r -o $@ --whole-archive $< --no-whole-archive
 
 clean_userinit:
diff --git a/tools/build/mk/los_config.mk b/tools/build/mk/los_config.mk
index 31f7e71a..13306c66 100644
--- a/tools/build/mk/los_config.mk
+++ b/tools/build/mk/los_config.mk
@@ -36,14 +36,9 @@ endif
 ## variable define ##
 HIDE = @
 RM = -rm -rf
-ARFLAGS = cr
-OS := $(shell uname -s)
-OBJ_MKDIR = if [ ! -d $(dir $@) ]; then mkdir -p $(dir $@); fi
 OUT = $(or $(OUTDIR),$(LITEOSTOPDIR)/out/$(LOSCFG_PRODUCT_NAME:"%"=%))
-BUILD  = $(OUT)/obj
 MODULE = $(LITEOSTOPDIR)/tools/build/mk/module.mk
 LITEOS_SCRIPTPATH = $(LITEOSTOPDIR)/tools/scripts
-LITEOS_PLATFORM = $(LOSCFG_PLATFORM:"%"=%)
 LITEOSTHIRDPARTY = $(LITEOSTOPDIR)/../../third_party
 
 ## compiler relative ##
@@ -328,8 +323,6 @@ ifeq ($(LOSCFG_NET_LWIP_SACK_2_1), y)
         -I $(LITEOSTOPDIR)/net/lwip-2.1/porting/include \
         -I $(LWIPDIR)/include \
         -I $(LITEOSTOPDIR)/net/mac
-
-    LITEOS_CMACRO     +=  $(LWIP_MACROS)
 else ifeq ($(LOSCFG_NET_LWIP_SACK_2_0), y)
     LWIPDIR := $(LITEOSTHIRDPARTY)/lwip_enhanced/src
     LITEOS_BASELIB += -llwip
@@ -337,8 +330,7 @@ else ifeq ($(LOSCFG_NET_LWIP_SACK_2_0), y)
     LITEOS_LWIP_SACK_INCLUDE   += \
         -I $(LWIPDIR)/include \
         -I $(LITEOSTOPDIR)/net/mac
-    LWIP_MACROS += -DLWIP_CONFIG_FILE=\"lwip/lwipopts.h\" -DLWIP_LITEOS_A_COMPAT
-    LITEOS_CMACRO     +=  $(LWIP_MACROS)
+    LITEOS_CMACRO += -DLWIP_CONFIG_FILE=\"lwip/lwipopts.h\" -DLWIP_LITEOS_A_COMPAT
 else
     $(error "unknown lwip version")
 endif
diff --git a/tools/build/mk/module.mk b/tools/build/mk/module.mk
index c4378f6b..23820b6d 100644
--- a/tools/build/mk/module.mk
+++ b/tools/build/mk/module.mk
@@ -27,88 +27,50 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-OBJOUT := $(BUILD)$(dir $(subst $(LITEOSTOPDIR),,$(shell pwd)))$(MODULE_NAME)
+OBJOUT = $(OUT)/obj
+TOPDIR = $(abspath $(LITEOSTOPDIR)/../..)
 
-MODULE := $(OUT)/lib/lib$(MODULE_NAME).a
+TARGET = $(OUT)/lib/lib$(MODULE_NAME).a
 
-# create a separate list of objects per source type
+LOCAL_OBJS = $(addprefix $(OBJOUT)/,$(addsuffix .o,$(basename $(subst $(TOPDIR)/,,$(abspath $(LOCAL_SRCS))))))
 
-LOCAL_CSRCS := $(filter %.c,$(LOCAL_SRCS))
-LOCAL_CPPSRCS := $(filter %.cpp,$(LOCAL_SRCS))
-LOCAL_ASMSRCS := $(filter %.S,$(LOCAL_SRCS))
-LOCAL_ASMSRCS2 := $(filter %.s,$(LOCAL_SRCS))
-LOCAL_CCSRCS := $(filter %.cc,$(LOCAL_SRCS))
+all : $(TARGET)
 
-LOCAL_COBJS := $(patsubst %.c,$(OBJOUT)/%.o,$(LOCAL_CSRCS))
-LOCAL_CPPOBJS := $(patsubst %.cpp,$(OBJOUT)/%.o,$(LOCAL_CPPSRCS))
-LOCAL_ASMOBJS := $(patsubst %.S,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS))
-LOCAL_ASMOBJS2 := $(patsubst %.s,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS2))
-LOCAL_CCOBJS := $(patsubst %.cc,$(OBJOUT)/%.o,$(LOCAL_CCSRCS))
-
-LOCAL_OBJS := $(LOCAL_COBJS) $(LOCAL_CPPOBJS) $(LOCAL_ASMOBJS) $(LOCAL_ASMOBJS2) $(LOCAL_CCOBJS)
-
-LOCAL_CGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CHS))
-LOCAL_CPPGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CPPHS))
-
-all : $(MODULE)
-
-define ECHO =
-ifeq ($$(HIDE),@)
-_$(1) := $($(1))
-$(1) = echo "  $(1)" $$(patsubst $$(OUT)/%,%,$$@) && $$(_$(1))
+ifeq ($(HIDE),@)
+ECHO = $1 = echo "  $1" $$(patsubst $$(OUT)/%,%,$$@) && $($1)
+$(foreach cmd,CC GPP AS AR LD,$(eval $(call ECHO,$(cmd))))
 endif
-endef
-$(foreach cmd,CC GPP AS AR,$(eval $(call ECHO,$(cmd))))
 
 LOCAL_FLAGS += -MD -MP
 -include $(LOCAL_OBJS:%.o=%.d)
 
-$(LOCAL_COBJS): $(OBJOUT)/%.o: %.c
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(CC) $(LITEOS_CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) -c $< -o $@
+$(OBJOUT)/%.o: $(TOPDIR)/%.c
+	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) -c $< -o $@
 
-$(LOCAL_CPPOBJS): $(OBJOUT)/%.o: %.cpp
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(GPP) $(LITEOS_CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
+$(OBJOUT)/%.o: $(TOPDIR)/%.cpp
+	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
 
-$(LOCAL_ASMOBJS): $(OBJOUT)/%.o: %.S
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(CC) $(LITEOS_CFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
+$(OBJOUT)/%.o: $(TOPDIR)/%.S
+	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
 
-$(LOCAL_ASMOBJS2): $(OBJOUT)/%.o: %.s
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(AS) $(LITEOS_ASFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
+$(OBJOUT)/%.o: $(TOPDIR)/%.s
+	$(HIDE)$(AS) $(ASFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
 
-$(LOCAL_CCOBJS): $(OBJOUT)/%.o: %.cc
-	$(HIDE)$(OBJ_MKDIR)
-	$(HIDE)$(GPP) $(LITEOS_CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
+$(OBJOUT)/%.o: $(TOPDIR)/%.cc
+	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
 
-$(LOCAL_CGCH): %.h.gch : %.h
-	$(HIDE)$(CC) $(LITEOS_CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) $> $^
-
-$(LOCAL_CPPGCH): %.h.gch : %.h
-	$(HIDE)$(GPP) $(LITEOS_CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -x c++-header $> $^
-
-LOCAL_GCH := $(LOCAL_CGCH) $(LOCAL_CPPGCH)
-
-$(LOCAL_OBJS): $(LOCAL_GCH)
-$(MODULE): $(LOCAL_OBJS)
-	$(HIDE)$(OBJ_MKDIR)
+$(OUT)/lib/lib%.a: $(LOCAL_OBJS)
 	$(HIDE)$(AR) $(ARFLAGS) $@ $^
 
+$(OUT)/bin/%: $(LOCAL_OBJS)
+	$(HIDE)$(GPP) $(LDFLAGS) -o $@ $^
+
+$(OUT)/%/:;$(HIDE)mkdir -p $@
+
+$(LOCAL_OBJS): | $(dir $(LOCAL_OBJS))
+$(TARGET): | $(dir $(TARGET))
+
 clean:
-	$(HIDE)$(RM) $(MODULE) $(OBJOUT) $(LOCAL_GCH) *.bak *~
+	$(HIDE)$(RM) $(TARGET) $(LOCAL_OBJS)
 
 .PHONY: all clean
-
-# clear some variables we set here
-LOCAL_CSRCS :=
-LOCAL_CPPSRCS :=
-LOCAL_ASMSRCS :=
-LOCAL_COBJS :=
-LOCAL_CPPOBJS :=
-LOCAL_ASMOBJS :=
-LOCAL_ASMOBJS2 :=
-
-# LOCAL_OBJS is passed back
-#LOCAL_OBJS :=