# 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.

if(NOT WITH_ONNXRUNTIME)
  return()
endif()

if(WITH_ARM)
  message(SEND_ERROR "The current onnxruntime backend doesn't support ARM cpu")
  return()
endif()

include(ExternalProject)

set(PADDLE2ONNX_PROJECT "extern_paddle2onnx")
set(PADDLE2ONNX_PREFIX_DIR ${THIRD_PARTY_PATH}/paddle2onnx)
set(PADDLE2ONNX_INSTALL_DIR ${THIRD_PARTY_PATH}/install/paddle2onnx)
set(PADDLE2ONNX_INC_DIR
    "${PADDLE2ONNX_INSTALL_DIR}/include"
    CACHE PATH "paddle2onnx include directory." FORCE)
set(PADDLE2ONNX_REPOSITORY ${GIT_URL}/PaddlePaddle/Paddle2ONNX.git)
set(PADDLE2ONNX_TAG cpp)
set(LIBDIR "lib")
set(CMAKE_BUILD_RPATH "${CMAKE_BUILD_RPATH}"
                      "${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}")

include_directories(${PADDLE2ONNX_INC_DIR}
)# For PADDLE2ONNX code to include internal headers.
if(WIN32)
  set(PADDLE2ONNX_LIB
      "${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}/paddle2onnx.lib"
      CACHE FILEPATH "paddle2onnx static library." FORCE)
  set(PADDLE2ONNX_SHARED_LIB
      "${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}/paddle2onnx.dll"
      CACHE FILEPATH "paddle2onnx shared library." FORCE)
elseif(APPLE)
  set(PADDLE2ONNX_LIB
      "${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}/libpaddle2onnx.dylib"
      CACHE FILEPATH "PADDLE2ONNX library." FORCE)
else()
  set(PADDLE2ONNX_LIB
      "${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}/libpaddle2onnx.so"
      CACHE FILEPATH "PADDLE2ONNX library." FORCE)
endif(WIN32)

# The protoc path is required to compile onnx.
string(REPLACE "/" ";" PROTOC_BIN_PATH ${PROTOBUF_PROTOC_EXECUTABLE})
list(POP_BACK PROTOC_BIN_PATH)
list(JOIN PROTOC_BIN_PATH "/" PROTOC_BIN_PATH)

set(PADDLE2ONNX_OPTIONAL_ARGS
    -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
    -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
    -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
    -DCMAKE_CXX_STANDARD=14
    -DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE}
    -DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}
    -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
    -DCMAKE_C_FLAGS_DEBUG=${CMAKE_C_FLAGS_DEBUG}
    -DCMAKE_C_FLAGS_RELEASE=${CMAKE_C_FLAGS_RELEASE}
    -DONNX_CUSTOM_PROTOC_PATH=${PROTOC_BIN_PATH}
    -DWITH_STATIC=OFF
    -DMSVC_STATIC_CRT=${MSVC_STATIC_CRT}
    -DCMAKE_INSTALL_PREFIX=${PADDLE2ONNX_INSTALL_DIR}
    -DCMAKE_INSTALL_LIBDIR=${PADDLE2ONNX_INSTALL_DIR}/${LIBDIR}
    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
    -DCMAKE_BUILD_TYPE=${THIRD_PARTY_BUILD_TYPE}
    ${EXTERNAL_OPTIONAL_ARGS})

if(WITH_PYTHON)
  set(PADDLE2ONNX_OPTIONAL_ARGS
      ${PADDLE2ONNX_OPTIONAL_ARGS}
      -DPYTHON_EXECUTABLE:FILEPATH=${PYTHON_EXECUTABLE}
      -DPYTHON_INCLUDE_DIR:PATH=${PYTHON_INCLUDE_DIR}
      -DPYTHON_LIBRARY:FILEPATH=${PYTHON_LIBRARY})
endif()

ExternalProject_Add(
  ${PADDLE2ONNX_PROJECT}
  ${EXTERNAL_PROJECT_LOG_ARGS} ${SHALLOW_CLONE}
  GIT_REPOSITORY ${PADDLE2ONNX_REPOSITORY}
  GIT_TAG ${PADDLE2ONNX_TAG}
  DEPENDS protobuf
  PREFIX ${PADDLE2ONNX_PREFIX_DIR}
  UPDATE_COMMAND ""
  CMAKE_ARGS ${PADDLE2ONNX_OPTIONAL_ARGS}
  CMAKE_CACHE_ARGS
    -DCMAKE_INSTALL_PREFIX:PATH=${PADDLE2ONNX_INSTALL_DIR}
    -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
    -DCMAKE_BUILD_TYPE:STRING=${THIRD_PARTY_BUILD_TYPE}
  BUILD_BYPRODUCTS ${PADDLE2ONNX_LIB})

add_library(paddle2onnx STATIC IMPORTED GLOBAL)
set_property(TARGET paddle2onnx PROPERTY IMPORTED_LOCATION ${PADDLE2ONNX_LIB})
add_dependencies(paddle2onnx ${PADDLE2ONNX_PROJECT})