diff --git a/core/definitions.mk b/core/definitions.mk
index 450b378..623d905 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -770,6 +770,8 @@
 $(hide) $(SLANG) \
   -o $(PRIVATE_RS_OUTPUT_DIR)/res/raw \
   -p $(PRIVATE_RS_OUTPUT_DIR)/src \
+  -d $(PRIVATE_RS_OUTPUT_DIR) \
+  -a $@ -MD \
   $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
   $(PRIVATE_RS_SOURCE_FILES)
 $(hide) mkdir -p $(dir $@)
diff --git a/core/java.mk b/core/java.mk
index 84faca0..584bf7a 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -123,6 +123,7 @@
 ifneq ($(renderscript_sources),)
 renderscript_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(renderscript_sources))
 RenderScript_file_stamp := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/RenderScript.stamp
+renderscript_intermediate := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/renderscript
 
 # prepend the RenderScript system include path
 LOCAL_RENDERSCRIPT_INCLUDES := $(TOPDIR)frameworks/base/libs/rs/scriptc \
@@ -132,11 +133,15 @@
 $(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fullpath)
 # By putting the generated java files into $(LOCAL_INTERMEDIATE_SOURCE_DIR), they will be
 # automatically found by the java compiling function transform-java-to-classes.jar.
-$(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/renderscript
-# TODO: slang support to generate implicit dependency derived from "include" directives.
+$(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(renderscript_intermediate)
 $(RenderScript_file_stamp): $(renderscript_sources_fullpath) $(SLANG)
 	$(transform-renderscripts-to-java-and-bc)
 
+# include the dependency files (.d) generated by slang.
+renderscript_generated_dep_files := $(addprefix $(renderscript_intermediate)/, \
+    $(patsubst %.rs,%.d, $(notdir $(renderscript_sources))))
+-include $(renderscript_generated_dep_files)
+
 LOCAL_INTERMEDIATE_TARGETS += $(RenderScript_file_stamp)
 # Make sure the generated resource will be added to the apk.
 LOCAL_RESOURCE_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)/renderscript/res $(LOCAL_RESOURCE_DIR)