diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..73c1eea
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,132 @@
+# Only build if BUILD_RENDERSCRIPT is defined to true in the environment.
+ifeq ($(BUILD_RENDERSCRIPT),true)
+
+TOP_LOCAL_PATH:=$(call my-dir)
+LOCAL_PATH:= $(TOP_LOCAL_PATH)
+
+
+# Build rsg-generator
+
+LOCAL_MODULE := rsg-generator
+
+# These symbols are normally defined by BUILD_XXX, but we need to define them
+# here so that local-intermediates-dir works.
+
+LOCAL_IS_HOST_MODULE := true
+LOCAL_MODULE_CLASS := EXECUTABLES
+intermediates:= $(local-intermediates-dir)
+
+GEN := $(addprefix $(intermediates)/, \
+            lex.yy.c \
+        )
+$(GEN):	PRIVATE_CUSTOM_TOOL = flex -o $@ $<
+
+$(intermediates)/lex.yy.c : $(LOCAL_PATH)/spec.lex
+	$(transform-generated-source)
+
+$(LOCAL_PATH)/rsg_generator.c : $(intermediates)/lex.yy.c
+
+LOCAL_SRC_FILES:= \
+    rsg_generator.c
+	
+include $(BUILD_HOST_EXECUTABLE)
+
+RSG_GENERATOR:=$(LOCAL_BUILT_MODULE)
+
+# Build render script lib
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := libRS
+
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+intermediates:= $(local-intermediates-dir)
+
+RS_GENERATED_INCLUDE_DIR:=$(intermediates)
+
+# Generate custom headers
+
+GEN := $(addprefix $(intermediates)/, \
+            rsgApiStructs.h \
+            rsgApiFuncDecl.h \
+        )
+
+$(GEN) : PRIVATE_CUSTOM_TOOL = $(RSG_GENERATOR) $< $@ <$(LOCAL_PATH)/rs.spec
+$(GEN) : $(RSG_GENERATOR) $(LOCAL_PATH)/rs.spec
+$(GEN): $(intermediates)/%.h : $(LOCAL_PATH)/%.h.rsg
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+# Generate custom source files
+
+GEN := $(addprefix $(intermediates)/, \
+            rsgApi.cpp \
+            rsgApiReplay.cpp \
+        )
+        
+$(GEN) : PRIVATE_CUSTOM_TOOL = $(RSG_GENERATOR) $< $@ <$(LOCAL_PATH)/rs.spec
+$(GEN) : $(RSG_GENERATOR) $(LOCAL_PATH)/rs.spec
+$(GEN): $(intermediates)/%.cpp : $(LOCAL_PATH)/%.cpp.rsg
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+LOCAL_SRC_FILES:= \
+	rsAdapter.cpp \
+	rsAllocation.cpp \
+	rsComponent.cpp \
+	rsContext.cpp \
+	rsDevice.cpp \
+	rsElement.cpp \
+	rsLocklessFifo.cpp \
+	rsObjectBase.cpp \
+	rsMatrix.cpp \
+	rsProgram.cpp \
+	rsProgramFragment.cpp \
+	rsProgramFragmentStore.cpp \
+	rsProgramVertex.cpp \
+	rsSampler.cpp \
+	rsScript.cpp \
+	rsScriptC.cpp \
+	rsThreadIO.cpp \
+	rsType.cpp \
+	rsTriangleMesh.cpp
+
+LOCAL_SHARED_LIBRARIES += libcutils libutils libEGL libGLESv1_CM libui 
+LOCAL_LDLIBS := -lpthread -ldl
+LOCAL_MODULE:= libRS
+
+#LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_SHARED_LIBRARY)
+
+# Build JNI library
+
+LOCAL_PATH:= $(TOP_LOCAL_PATH)/jni
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	RenderScript_jni.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libandroid_runtime \
+	libnativehelper \
+	libRS \
+	libcutils \
+	libutils \
+	libui
+
+LOCAL_STATIC_LIBRARIES :=
+
+LOCAL_C_INCLUDES += \
+	$(JNI_H_INCLUDE) \
+	$(RS_GENERATED_INCLUDE_DIR) \
+	$(call include-path-for, corecg graphics)
+
+LOCAL_CFLAGS +=
+
+LOCAL_LDLIBS := -lpthread
+
+LOCAL_MODULE:= libRS_jni
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif # BUILD_RENDERSCRIPT
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