LOCAL_PATH := $(call my-dir)

# step 0: build my library

include $(CLEAR_VARS)
LOCAL_MODULE := mylibrary
LOCAL_LDLIBS := -llog
LOCAL_SRC_FILES := libsrc1.c libsrc2.c
include $(BUILD_SHARED_LIBRARY)

# step 1: export my library (PREBUILT_SHARED_LIBRARY):

include $(CLEAR_VARS)
LOCAL_MODULE := mylibrary-prebuilt
LOCAL_SRC_FILES := ../libs/$(TARGET_ARCH_ABI)/libmylibrary.so
LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)
include $(PREBUILT_SHARED_LIBRARY)

warning: overriding commands for target `obj/local/armeabi/libmylibrary.so'
warning: ignoring old commands for target `obj/local/armeabi/libmylibrary.so'
warning: overriding commands for target `libs/armeabi/libmylibrary.so'
warning: ignoring old commands for target `libs/armeabi/libmylibrary.so'

make: *** No rule to make target `jni/../libs/armeabi/libmylibrary.so', needed by `obj/local/armeabi/libmylibrary.so'.  Stop.