# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

include(ExternalProject)

set(PADDLELITE_PROJECT "extern_paddlelite")
set(PADDLELITE_PREFIX_DIR ${THIRD_PARTY_PATH}/paddlelite)
set(PADDLELITE_SOURCE_DIR
    ${THIRD_PARTY_PATH}/paddlelite/src/${PADDLELITE_PROJECT})
set(PADDLELITE_INSTALL_DIR ${THIRD_PARTY_PATH}/install/paddlelite)
set(PADDLELITE_INC_DIR
    "${PADDLELITE_INSTALL_DIR}/include"
    CACHE PATH "paddlelite include directory." FORCE)
set(PADDLELITE_LIB_DIR
    "${PADDLELITE_INSTALL_DIR}/lib"
    CACHE PATH "paddlelite lib directory." FORCE)
set(CMAKE_BUILD_RPATH "${CMAKE_BUILD_RPATH}" "${PADDLELITE_LIB_DIR}")

#set(PADDLELITE_URL "https://github.com/PaddlePaddle/Paddle-Lite/releases/download/v2.11/inference_lite_lib.armlinux.armv8.gcc.with_extra.with_cv.tar.gz")
set(PADDLELITE_URL "https://bj.bcebos.com/fastdeploy/third_libs/lite-linux-arm64-20220920.tgz")

if(WIN32)
  message(FATAL_ERROR "Doesn't support windows platform with backend Paddle-Lite.")
elseif(APPLE)
  message(FATAL_ERROR "Doesn't support Mac OSX platform with backend Paddle-Lite.")
else()
  if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "aarch64")
    set(PADDLELITE_URL "https://bj.bcebos.com/fastdeploy/third_libs/lite-linux-arm64-20220920.tgz")
  else()
    message(FATAL_ERROR "Only support Linux aarch64 now, x64 is not supported with backend Paddle-Lite.")
  endif()
endif()

include_directories(${PADDLELITE_INC_DIR})

if(WIN32)
elseif(APPLE)
else()
  set(PADDLELITE_LIB "${PADDLELITE_INSTALL_DIR}/lib/libpaddle_full_api_shared.so")
endif()

ExternalProject_Add(
  ${PADDLELITE_PROJECT}
  ${EXTERNAL_PROJECT_LOG_ARGS}
  URL ${PADDLELITE_URL}
  PREFIX ${PADDLELITE_PREFIX_DIR}
  DOWNLOAD_NO_PROGRESS 1
  CONFIGURE_COMMAND ""
  BUILD_COMMAND ""
  UPDATE_COMMAND ""
  INSTALL_COMMAND
    ${CMAKE_COMMAND} -E remove_directory ${PADDLELITE_INSTALL_DIR} &&
    ${CMAKE_COMMAND} -E make_directory ${PADDLELITE_INSTALL_DIR} &&
    ${CMAKE_COMMAND} -E rename ${PADDLELITE_SOURCE_DIR}/lib/ ${PADDLELITE_INSTALL_DIR}/lib &&
    ${CMAKE_COMMAND} -E copy_directory ${PADDLELITE_SOURCE_DIR}/include
    ${PADDLELITE_INC_DIR}
  BUILD_BYPRODUCTS ${PADDLELITE_LIB})

add_library(external_paddle_lite STATIC IMPORTED GLOBAL)
set_property(TARGET external_paddle_lite PROPERTY IMPORTED_LOCATION ${PADDLELITE_LIB})
add_dependencies(external_paddle_lite ${PADDLELITE_PROJECT})