CMakeLists.txt

# 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.

PROJECT(fastdeploy C CXX)
CMAKE_MINIMUM_REQUIRED (VERSION 3.10)


option(CSRCS_DIR_NAME "Name of source code directory")
option(LIBRARY_NAME "Name of build library name")
option(PY_LIBRARY_NAME "Name of build python library name")
if(NOT CSRCS_DIR_NAME)
  set(CSRCS_DIR_NAME ".")
endif()
if(NOT LIBRARY_NAME)
  set(LIBRARY_NAME "fastdeploy")
endif()
if(NOT PY_LIBRARY_NAME)
  set(PY_LIBRARY_NAME "fastdeploy_main")
endif()
include(ExternalProject)
set(THIRD_PARTY_PATH ${CMAKE_CURRENT_BINARY_DIR}/third_libs)

add_subdirectory(${CSRCS_DIR_NAME}/fastdeploy)
include(${PROJECT_SOURCE_DIR}/cmake/utils.cmake)

# Set C++11 as standard for the whole project
if(NOT MSVC)
  set(CMAKE_CXX_STANDARD 11)
  set(CMAKE_CXX_FLAGS "-Wno-format")
  add_definitions(-D_GLIBCXX_USE_CXX11_ABI=1)
endif(NOT MSVC)

if(UNIX AND (NOT APPLE) AND (NOT ANDROID) AND (NOT WITH_TIMVX))
  include(${PROJECT_SOURCE_DIR}/cmake/patchelf.cmake)
endif()


if(ANDROID)
  # To reduce the volume of the library
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g0 -Ofast -ffast-math -ffunction-sections -fdata-sections")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g0 -Ofast -ffast-math -ffunction-sections -fdata-sections")
endif()

############################# Basic Options for FastDeploy ################################
option(WITH_GPU "Whether WITH_GPU=ON, will enable onnxruntime-gpu/paddle-infernce-gpu/poros-gpu" OFF)
option(WITH_IPU "Whether WITH_IPU=ON, will enable paddle-infernce-ipu" OFF)
option(ENABLE_ORT_BACKEND "Whether to enable onnxruntime backend." OFF)
option(ENABLE_TRT_BACKEND "Whether to enable tensorrt backend." OFF)
option(ENABLE_PADDLE_BACKEND "Whether to enable paddle backend." OFF)
option(ENABLE_POROS_BACKEND "Whether to enable poros backend." OFF)
option(ENABLE_OPENVINO_BACKEND "Whether to enable openvino backend." OFF)
option(ENABLE_RKNPU2_BACKEND "Whether to enable RKNPU2 backend." OFF)
option(ENABLE_SOPHGO_BACKEND "Whether to enable SOPHON backend." OFF)
option(ENABLE_LITE_BACKEND "Whether to enable paddle lite backend." OFF)
option(ENABLE_VISION "Whether to enable vision models usage." OFF)
option(ENABLE_TEXT "Whether to enable text models usage." OFF)
option(ENABLE_FLYCV "Whether to enable flycv to boost image preprocess." OFF)
option(ENABLE_CVCUDA "Whether to enable NVIDIA CV-CUDA to boost image preprocess." OFF)
option(ENABLE_ENCRYPTION "Whether to enable ENCRYPTION." OFF)
option(WITH_ASCEND "Whether to compile for Huawei Ascend deploy." OFF)
option(WITH_TIMVX "Whether to compile for TIMVX deploy." OFF)
option(WITH_KUNLUNXIN "Whether to compile for KunlunXin XPU deploy." OFF)
option(WITH_TESTING "Whether to compile with unittest." OFF)

############################# Options for Android cross compiling #########################
if(ANDROID)
  option(WITH_OPENCV_STATIC "Whether to use OpenCV static lib for Android." OFF)
  option(WITH_LITE_STATIC "Whether to use OpenCV Paddle Lite static lib for Android." OFF)
  option(WITH_FLYCV_STATIC "Whether to use OpenCV FlyCV static lib for Android." OFF)
  option(WITH_OPENMP "Whether to use OpenCV OpenMP support for Android." OFF)
  option(WITH_JAVA "Whether to build jni lib for Android." OFF)
  option(WITH_STATIC_LIB "Whether to build FastDeploy static lib." OFF)
endif()
# Whether to build fastdeploy with vision/text/... examples, only for testings.
option(BUILD_EXAMPLES "Whether to build fastdeploy with vision examples" OFF)

######################### Paths to user's custom libraries directory #####################
set(CUDA_DIRECTORY "" CACHE PATH "If build tensorrt backend, need to define path of cuda library.")
set(TRT_DIRECTORY "" CACHE PATH "If build tensorrt backend, need to define path of tensorrt library.")
set(ORT_DIRECTORY "" CACHE PATH "User can specify the installed onnxruntime directory.")
set(OPENCV_DIRECTORY "" CACHE PATH "User can specify the installed opencv directory.")
set(OPENVINO_DIRECTORY "" CACHE PATH "User can specify the installed openvino directory.")


# Whether to build fastdeploy on device Nvidia Jetson
# Only support CPU Inference & GPU(TensorRT) Inference Now
option(BUILD_ON_JETSON "Whether to build fastdeploy on Nvidia Jetson" OFF)
if(BUILD_ON_JETSON)
  set(WITH_GPU ON)
  set(ENABLE_TRT_BACKEND ON)
  set(ENABLE_ORT_BACKEND ON)
endif()

# config GIT_URL with github mirrors to speed up dependent repos clone
option(GIT_URL "Git URL to clone dependent repos" ${GIT_URL})
if(NOT GIT_URL)
    set(GIT_URL "https://github.com")
endif()

# check build options
include(${PROJECT_SOURCE_DIR}/cmake/check.cmake)

if(WIN32 AND ENABLE_VISION)
  add_definitions(-DYAML_CPP_DLL)
  set(YAML_BUILD_SHARED_LIBS ON)
  set(YAML_CPP_INSTALL ON)
  set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
endif()

if(NOT CUDA_DIRECTORY)
  set(CUDA_DIRECTORY "/usr/local/cuda")
endif()

option(BUILD_FASTDEPLOY_PYTHON "if build python lib for fastdeploy." OFF)

set(HEAD_DIR "${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}")
include_directories(${HEAD_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR})

if (WITH_TIMVX)
  include(${PROJECT_SOURCE_DIR}/cmake/timvx.cmake)
endif()

if (WITH_ASCEND)
  include(${PROJECT_SOURCE_DIR}/cmake/ascend.cmake)
endif()

if (WITH_KUNLUNXIN)
  include(${PROJECT_SOURCE_DIR}/cmake/kunlunxin.cmake)
endif()

if(WITH_IPU)
  if(NOT ENABLE_PADDLE_BACKEND)
    message("Will force to set ENABLE_PADDLE_BACKEND when build with GraphCore IPU.")
    set(ENABLE_PADDLE_BACKEND ON)
  endif()
  add_definitions(-DWITH_IPU)
endif()

# Check for macOS architecture
get_osx_architecture()

##################################### Building: FastDeploy C++ SDK #######################################
add_definitions(-DFASTDEPLOY_LIB)
# configure files before glob sources.
configure_file(${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/core/config.h.in ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/core/config.h)
configure_file(${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/pybind/main.cc.in ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/pybind/main.cc)
file(GLOB_RECURSE ALL_DEPLOY_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/*.cc)
file(GLOB_RECURSE DEPLOY_ORT_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/ort/*.cc)
file(GLOB_RECURSE DEPLOY_PADDLE_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/paddle/*.cc)
file(GLOB_RECURSE DEPLOY_POROS_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/poros/*.cc)
file(GLOB_RECURSE DEPLOY_TRT_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/tensorrt/*.cc ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/tensorrt/*.cpp)
file(GLOB_RECURSE DEPLOY_OPENVINO_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/openvino/*.cc)
file(GLOB_RECURSE DEPLOY_RKNPU2_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/rknpu2/*.cc)
file(GLOB_RECURSE DEPLOY_SOPHGO_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/sophgo/*.cc)
file(GLOB_RECURSE DEPLOY_LITE_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/lite/*.cc)
file(GLOB_RECURSE DEPLOY_VISION_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/vision/*.cc)
file(GLOB_RECURSE DEPLOY_ENCRYPTION_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/encryption/*.cc)
file(GLOB_RECURSE DEPLOY_PIPELINE_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/pipeline/*.cc)
file(GLOB_RECURSE DEPLOY_TEXT_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/text/*.cc)
file(GLOB_RECURSE DEPLOY_PYBIND_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/pybind/*.cc ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/*_pybind.cc)
if(WITH_GPU)
  file(GLOB_RECURSE DEPLOY_CUDA_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/*.cu)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_CUDA_SRCS})
  file(GLOB_RECURSE DEPLOY_VISION_CUDA_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/vision/*.cu)
  list(APPEND DEPLOY_VISION_SRCS ${DEPLOY_VISION_CUDA_SRCS})
  file(GLOB_RECURSE DEPLOY_TEXT_CUDA_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/text/*.cu)
  list(APPEND DEPLOY_TEXT_SRCS ${DEPLOY_TEXT_CUDA_SRCS})
endif()
list(REMOVE_ITEM ALL_DEPLOY_SRCS ${DEPLOY_ORT_SRCS} ${DEPLOY_PADDLE_SRCS} ${DEPLOY_POROS_SRCS} ${DEPLOY_TRT_SRCS} ${DEPLOY_OPENVINO_SRCS} ${DEPLOY_LITE_SRCS} ${DEPLOY_VISION_SRCS} ${DEPLOY_TEXT_SRCS} ${DEPLOY_PIPELINE_SRCS} ${DEPLOY_RKNPU2_SRCS} ${DEPLOY_SOPHGO_SRCS} ${DEPLOY_ENCRYPTION_SRCS})

set(DEPEND_LIBS "")

file(READ "${PROJECT_SOURCE_DIR}/VERSION_NUMBER" FASTDEPLOY_VERSION)
string(STRIP "${FASTDEPLOY_VERSION}" FASTDEPLOY_VERSION)

# Add eigen lib
include_directories(${PROJECT_SOURCE_DIR}/third_party/eigen)
if(WIN32)
  add_definitions(-DEIGEN_STRONG_INLINE=inline)
endif()

# sw(sunway) not support thread_local semantic
if(WITH_SW)
  add_definitions(-DEIGEN_AVOID_THREAD_LOCAL)
endif()

if(ENABLE_ORT_BACKEND)
  set(ENABLE_PADDLE2ONNX ON)
  add_definitions(-DENABLE_ORT_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_ORT_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/onnxruntime.cmake)
  list(APPEND DEPEND_LIBS external_onnxruntime)
endif()

if(ENABLE_LITE_BACKEND)
  add_definitions(-DENABLE_LITE_BACKEND)
  if(WITH_LITE_STATIC)
    add_definitions(-DWITH_LITE_STATIC)
  endif()
  include(${PROJECT_SOURCE_DIR}/cmake/paddlelite.cmake)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_LITE_SRCS})
  list(APPEND DEPEND_LIBS external_paddle_lite)
endif()

if(ENABLE_PADDLE_BACKEND)
  set(ENABLE_PADDLE2ONNX ON)
  add_definitions(-DENABLE_PADDLE_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_PADDLE_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/paddle_inference.cmake)
  list(APPEND DEPEND_LIBS external_paddle_inference)
  if(external_dnnl_FOUND)
    list(APPEND DEPEND_LIBS external_dnnl external_omp)
  endif()
  if(external_ort_FOUND)
    list(APPEND DEPEND_LIBS external_p2o external_ort)
  endif()
endif()

if(ENABLE_OPENVINO_BACKEND)
  set(ENABLE_PADDLE2ONNX ON)
  add_definitions(-DENABLE_OPENVINO_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_OPENVINO_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/openvino.cmake)
endif()

if(ENABLE_RKNPU2_BACKEND)
  add_definitions(-DENABLE_RKNPU2_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_RKNPU2_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/rknpu2.cmake)
  list(APPEND DEPEND_LIBS ${RKNN_RT_LIB})
endif()

if(ENABLE_SOPHGO_BACKEND)
  add_definitions(-DENABLE_SOPHGO_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_SOPHGO_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/sophgo.cmake)
  list(APPEND DEPEND_LIBS ${SOPHGO_RT_LIB})
endif()

if(ENABLE_POROS_BACKEND)
  set(CMAKE_CXX_STANDARD 14)
  add_definitions(-DENABLE_POROS_BACKEND)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_POROS_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/poros.cmake)
  list(APPEND DEPEND_LIBS external_poros)
  set(PYTHON_MINIMUM_VERSION 3.6)
  set(PYTORCH_MINIMUM_VERSION 1.9)
  set(TENSORRT_MINIMUM_VERSION 8.0)
  # find python3
  find_package(Python3 ${PYTHON_MINIMUM_VERSION} REQUIRED COMPONENTS Interpreter Development)
  message(STATUS "Found Python: ${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}.${Python3_VERSION_PATCH}")

  if (NOT Python3_SITELIB)
    message(FATAL_ERROR "site-packages not found. ")
  else ()
    message(STATUS "site-packages: ${Python3_SITELIB}")
  endif ()
  include_directories(${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/poros/common)
  # find trt
  if(NOT WITH_GPU)
  message(FATAL_ERROR "While -DENABLE_POROS_BACKEND=ON, must set -DWITH_GPU=ON, but now it's OFF")
  endif()
  if(NOT TRT_DIRECTORY)
    message(FATAL_ERROR "While -DENABLE_POROS_BACKEND=ON, must define -DTRT_DIRECTORY, e.g -DTRT_DIRECTORY=/Downloads/TensorRT-8.4")
  endif()
  include_directories(${TRT_DIRECTORY}/include)
  find_library(TRT_INFER_LIB nvinfer ${TRT_DIRECTORY}/lib)
  find_library(TRT_ONNX_LIB nvonnxparser ${TRT_DIRECTORY}/lib)
  find_library(TRT_PLUGIN_LIB nvinfer_plugin ${TRT_DIRECTORY}/lib)
  list(APPEND DEPEND_LIBS ${TRT_INFER_LIB} ${TRT_ONNX_LIB} ${TRT_PLUGIN_LIB})
  if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt")
    file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt")
  endif()
  if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib")
    file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib")
  endif()
  find_package(Python COMPONENTS Interpreter Development REQUIRED)
  message(STATUS "Copying ${TRT_DIRECTORY}/lib to ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib ...")
  execute_process(COMMAND ${Python_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/copy_directory.py ${TRT_DIRECTORY}/lib ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib)
endif()

if(WITH_GPU)
  add_definitions(-DWITH_GPU)
  include_directories(${CUDA_DIRECTORY}/include)
  if(WIN32)
    find_library(CUDA_LIB cudart ${CUDA_DIRECTORY}/lib/x64)
  else()
    find_library(CUDA_LIB cudart ${CUDA_DIRECTORY}/lib64)
  endif()
  list(APPEND DEPEND_LIBS ${CUDA_LIB})

  # build CUDA source files in fastdeploy, CUDA source files include CUDA preprocessing, TRT plugins, etc.
  enable_language(CUDA)
  message(STATUS "CUDA compiler: ${CMAKE_CUDA_COMPILER}, version: "
                  "${CMAKE_CUDA_COMPILER_ID} ${CMAKE_CUDA_COMPILER_VERSION}")
  include(${PROJECT_SOURCE_DIR}/cmake/cuda.cmake)
endif()

if(ENABLE_TRT_BACKEND)
  set(ENABLE_PADDLE2ONNX ON)
  if(APPLE OR ANDROID OR IOS)
    message(FATAL_ERROR "Cannot enable tensorrt backend in mac/ios/android os, please set -DENABLE_TRT_BACKEND=OFF.")
  endif()
  if(NOT WITH_GPU)
    message(FATAL_ERROR "While -DENABLE_TRT_BACKEND=ON, must set -DWITH_GPU=ON, but now it's OFF")
  endif()
  if(NOT BUILD_ON_JETSON)
    if(NOT TRT_DIRECTORY)
      set(TRT_INC_DIR /usr/include/x86_64-linux-gnu/)
      set(TRT_LIB_DIR /usr/lib/x86_64-linux-gnu/)
    endif()
  endif()
  if(BUILD_ON_JETSON)
    set(TRT_INC_DIR /usr/include/aarch64-linux-gnu/)
    set(TRT_LIB_DIR /usr/lib/aarch64-linux-gnu/)
  else()
    set(TRT_INC_DIR /usr/include/x86_64-linux-gnu/)
    set(TRT_LIB_DIR /usr/lib/x86_64-linux-gnu/)
    if(TRT_DIRECTORY)
      set(TRT_INC_DIR ${TRT_DIRECTORY}/include)
      set(TRT_LIB_DIR ${TRT_DIRECTORY}/lib)
    endif()
  endif()

  add_definitions(-DENABLE_TRT_BACKEND)
  include_directories(${TRT_INC_DIR})
  include_directories(${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/tensorrt/common)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_TRT_SRCS})
  find_library(TRT_INFER_LIB nvinfer ${TRT_LIB_DIR} NO_DEFAULT_PATH)
  find_library(TRT_ONNX_LIB nvonnxparser ${TRT_LIB_DIR} NO_DEFAULT_PATH)
  find_library(TRT_PLUGIN_LIB nvinfer_plugin ${TRT_LIB_DIR} NO_DEFAULT_PATH)
  list(APPEND DEPEND_LIBS ${TRT_INFER_LIB} ${TRT_ONNX_LIB} ${TRT_PLUGIN_LIB})

  if(NOT BUILD_ON_JETSON AND TRT_DIRECTORY)
    if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt")
      file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt")
    endif()
    if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib")
      file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib")
    endif()
    find_package(Python COMPONENTS Interpreter Development REQUIRED)
    message(STATUS "Copying ${TRT_DIRECTORY}/lib to ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib ...")
    execute_process(COMMAND ${Python_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/copy_directory.py ${TRT_DIRECTORY}/lib ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib)
    file(GLOB_RECURSE TRT_STATIC_LIBS ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib/*.a)
    if(TRT_STATIC_LIBS)
      file(REMOVE ${TRT_STATIC_LIBS})
    endif()
    if(UNIX AND (NOT APPLE) AND (NOT ANDROID))
      execute_process(COMMAND sh -c "ls *.so*" WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib
	      COMMAND sh -c "xargs ${PATCHELF_EXE} --set-rpath '$ORIGIN'" WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/tensorrt/lib
    	          RESULT_VARIABLE result
                      OUTPUT_VARIABLE curr_out
                      ERROR_VARIABLE  curr_out)
      if(ret EQUAL "1")
	     message(FATAL_ERROR "Failed to patchelf tensorrt libraries.")
      endif()
      message(STATUS "result:${result} out:${curr_out}")
    endif()
  endif()
endif()

if(ENABLE_VISION)
  add_definitions(-DENABLE_VISION)
  add_subdirectory(${PROJECT_SOURCE_DIR}/third_party/yaml-cpp)
  list(APPEND DEPEND_LIBS yaml-cpp)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_VISION_SRCS})
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_PIPELINE_SRCS})
  include_directories(${PROJECT_SOURCE_DIR}/third_party/yaml-cpp/include)
  include(${PROJECT_SOURCE_DIR}/cmake/opencv.cmake)

  if(ENABLE_FLYCV)
    add_definitions(-DENABLE_FLYCV)
    include(${PROJECT_SOURCE_DIR}/cmake/flycv.cmake)
    list(APPEND DEPEND_LIBS ${FLYCV_LIBRARIES})
  endif()

  if(ENABLE_CVCUDA)
    include(${PROJECT_SOURCE_DIR}/cmake/cvcuda.cmake)
    add_definitions(-DENABLE_CVCUDA)
    list(APPEND DEPEND_LIBS nvcv_types cvcuda)
  endif()
endif()

if(ENABLE_TEXT)
  add_definitions(-DENABLE_TEXT)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_TEXT_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/fast_tokenizer.cmake)
endif()

if(ENABLE_ENCRYPTION)
  add_definitions(-DENABLE_ENCRYPTION)
  list(APPEND ALL_DEPLOY_SRCS ${DEPLOY_ENCRYPTION_SRCS})
  include(${PROJECT_SOURCE_DIR}/cmake/gflags.cmake)
  include(${PROJECT_SOURCE_DIR}/cmake/openssl.cmake)
  list(APPEND DEPEND_LIBS ${OPENSSL_LIBRARIES})
endif()

if(ENABLE_PADDLE2ONNX)
  add_definitions(-DENABLE_PADDLE2ONNX)
  include(${PROJECT_SOURCE_DIR}/cmake/paddle2onnx.cmake)
  list(APPEND DEPEND_LIBS external_paddle2onnx)
endif(ENABLE_PADDLE2ONNX)

configure_file(${PROJECT_SOURCE_DIR}/FastDeploy.cmake.in ${PROJECT_SOURCE_DIR}/FastDeploy.cmake @ONLY)
configure_file(${PROJECT_SOURCE_DIR}/python/fastdeploy/c_lib_wrap.py.in ${PROJECT_SOURCE_DIR}/python/fastdeploy/c_lib_wrap.py)
configure_file(${PROJECT_SOURCE_DIR}/python/scripts/process_libraries.py.in ${PROJECT_SOURCE_DIR}/python/scripts/process_libraries.py)

list(REMOVE_ITEM ALL_DEPLOY_SRCS ${DEPLOY_PYBIND_SRCS})

add_library(${LIBRARY_NAME} SHARED ${ALL_DEPLOY_SRCS})

redefine_file_macro(${LIBRARY_NAME})

file(READ "${PROJECT_SOURCE_DIR}/VERSION_NUMBER" FASTDEPLOY_VERSION)
string(STRIP "${FASTDEPLOY_VERSION}" FASTDEPLOY_VERSION)
if (APPLE)
  set_target_properties(${LIBRARY_NAME} PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
elseif(ANDROID)
  set_target_properties(${LIBRARY_NAME} PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
  # strip debug C++ symbol table
  set(COMMON_LINK_FLAGS "-Wl,-exclude-libs,ALL")
  set(COMMON_LINK_FLAGS_REL "-Wl,-s,--gc-sections,-exclude-libs,ALL")
  if(WITH_OPENCV_STATIC OR WITH_LITE_STATIC)
    set(COMMON_LINK_FLAGS "${COMMON_LINK_FLAGS},--allow-multiple-definition")
    set(COMMON_LINK_FLAGS_REL "${COMMON_LINK_FLAGS_REL},--allow-multiple-definition")
  endif()
  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS ${COMMON_LINK_FLAGS})
  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS_RELEASE ${COMMON_LINK_FLAGS_REL})
  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS_MINSIZEREL ${COMMON_LINK_FLAGS_REL})
elseif(MSVC)
else()
  if(WITH_GPU)
    set_target_properties(${LIBRARY_NAME} PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
    set_target_properties(${LIBRARY_NAME} PROPERTIES INTERFACE_COMPILE_OPTIONS
       "$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CXX>>:-fvisibility=hidden>$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CUDA>>:-Xcompiler=-fvisibility=hidden>")
  else()
    set_target_properties(${LIBRARY_NAME} PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
  endif()
  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS "-Wl,--exclude-libs,ALL")
  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS_RELEASE -s)
endif()

set_target_properties(${LIBRARY_NAME} PROPERTIES VERSION ${FASTDEPLOY_VERSION})
if(MSVC)
  # disable warnings for dll export
  target_compile_options(${LIBRARY_NAME} PRIVATE "$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CXX>>:/wd4251>$<$<BUILD_INTERFACE:$<COMPILE_LANGUAGE:CUDA>>:-Xcompiler=/wd4251>")
  file(GLOB FD_FILES_REQUIRE_BIGOBJ ${CSRCS_DIR_NAME}/fastdeploy/function/reduce.cc)
  set_source_files_properties(${FD_FILES_REQUIRE_BIGOBJ} PROPERTIES COMPILE_FLAGS "/bigobj")
endif()

# extra depend libs for android
if(ANDROID)
  find_library(log-lib log)
  list(APPEND DEPEND_LIBS ${log-lib})
  if(WITH_LITE_STATIC)
    # need omp for static Paddle Lite lib
    set(WITH_OPENMP ON CACHE BOOL "Force WITH_OPENMP=ON while WITH_LITE_STATIC=ON" FORCE) 
    message(STATUS "Force WITH_OPENMP=${WITH_OPENMP} while WITH_LITE_STATIC=ON")
  endif()
  if(WITH_OPENMP)
    include(${PROJECT_SOURCE_DIR}/cmake/openmp.cmake)
  endif()
endif()

target_link_libraries(${LIBRARY_NAME} ${DEPEND_LIBS})

################################ JNI & STATIC LIB: FastDeploy Android JNI & STATIC Lib ###############################
if(ANDROID AND WITH_JAVA)
  include(${PROJECT_SOURCE_DIR}/cmake/fastdeploy_jni.cmake)
endif()

if(ANDROID AND WITH_STATIC_LIB)
  # Here, we use a dummy target (fastdelpoy_dummy) 
  # to form a build dependency tree for fastdeploy_static lib.
  add_library(fastdelpoy_dummy STATIC ${ALL_DEPLOY_SRCS})
  # Still add ${DEPEND_LIBS} for cmake to form link_libraries 
  # property tree for a static library. 
  target_link_libraries(fastdelpoy_dummy ${DEPEND_LIBS})
  # Build fastdelpoy_dummy when the third-party 
  # libraries (opencv, paddle lite, flycv) are ready.
  add_dependencies(fastdelpoy_dummy ${LIBRARY_NAME})
  # Add WITH_STATIC_LIB compile definitions, see lite_backend.cc.
  target_compile_definitions(fastdelpoy_dummy PRIVATE WITH_STATIC_LIB)
  target_compile_definitions(fastdelpoy_dummy PRIVATE WITH_STATIC_LIB_AT_COMPILING)
  bundle_static_library(fastdelpoy_dummy fastdeploy_static bundle_fastdeploy)
endif()

##################################### Examples ####################################
if(WIN32)
  if(ENABLE_VISION)
    if("${CMAKE_GENERATOR}" STREQUAL "Ninja")
      add_custom_target(copy_yaml_library ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/lib DEPENDS ${LIBRARY_NAME})
    else()
      add_custom_target(copy_yaml_library ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp/Release  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/lib DEPENDS ${LIBRARY_NAME})
      add_custom_target(copy_yaml_include ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/third_party/yaml-cpp/include  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/include DEPENDS ${LIBRARY_NAME})
    endif()
  endif()
endif()

# add examples after prepare include paths for third-parties
if(BUILD_EXAMPLES AND EXISTS ${PROJECT_SOURCE_DIR}/examples)
  add_definitions(-DBUILD_EXAMPLES)
  if(NOT EXECUTABLE_OUTPUT_PATH STREQUAL ${CMAKE_CURRENT_BINARY_DIR}/bin)
    set(EXECUTABLE_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/bin)
  endif()
  include(${PROJECT_SOURCE_DIR}/cmake/gflags.cmake)
  add_subdirectory(examples)
endif()

if (WITH_TESTING AND EXISTS ${PROJECT_SOURCE_DIR}/tests)
  add_definitions(-DWITH_TESTING)
  include(${PROJECT_SOURCE_DIR}/cmake/gtest.cmake)
  if(NOT BUILD_EXAMPLES)
    include(${PROJECT_SOURCE_DIR}/cmake/gflags.cmake)
  endif()
  include(${PROJECT_SOURCE_DIR}/cmake/glog.cmake)
  add_subdirectory(tests)
endif()

include(${PROJECT_SOURCE_DIR}/cmake/summary.cmake)
fastdeploy_summary()

################################ Installation: FastDeploy C++ SDK ###############################
if(WIN32)
  install(
    TARGETS ${LIBRARY_NAME}
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
    RUNTIME DESTINATION lib
  )
elseif(ANDROID)
  if(WITH_STATIC_LIB) 
    install(
      FILES 
      ${CMAKE_CURRENT_BINARY_DIR}/libfastdeploy_static.a
      DESTINATION lib/${ANDROID_ABI}
    )
  else()
    install(
      TARGETS ${LIBRARY_NAME}
      LIBRARY DESTINATION lib/${ANDROID_ABI}
    )
  endif()
  # Install omp into fastdeploy lib dir if WITH_OPENMP=ON 
  # and WITH_LITE_STATIC=OFF.
  if(WITH_OPENMP AND (NOT WITH_LITE_STATIC) AND OpenMP_CXX_FOUND AND ENABLE_OPENMP_SHARED)
    install(
      FILES 
      ${OpenMP_CXX_LIBRARIES}
      DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/${ANDROID_ABI}
    )
  endif()
  # install Android JNI lib
  if(WITH_JAVA)
    install(
      TARGETS fastdeploy_jni
      LIBRARY DESTINATION jni/${ANDROID_ABI}
    )
  endif()
else()
  install(
    TARGETS ${LIBRARY_NAME}
    LIBRARY DESTINATION lib
  )
endif()
install(
  DIRECTORY ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy
  DESTINATION ${CMAKE_INSTALL_PREFIX}/include
  FILES_MATCHING
  PATTERN "*.h"
  PATTERN "${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/runtime/backends/*/*.h"
)

if(NOT ANDROID)
  install(
    DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install
    DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs
  )
else()
  # opencv/flycv always needs to be provided to users because our api
  # explicitly depends on opencv's and flycv's api in headers.
  # The headers and libs of opencv must be install.
  if(ENABLE_VISION)
    if(WITH_OPENCV_STATIC AND WITH_STATIC_LIB)
      # Only need to install headers while building 
      # FastDeploy static lib. (TODO:qiuyanjun)
      install(
        DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/opencv/sdk/native/jni/include
        DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install/opencv/sdk/native/jni
      )
    else()
      install(
        DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/opencv
        DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install
      )
    endif()
  endif()
  # only need flycv's headers (may also install libs? TODO:qiuyanjun)
  if(ENABLE_FLYCV)
    if(WITH_FLYCV_STATIC)
      install(
        DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/flycv/include
        DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install/flycv
      )
    else()
      install(
        DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/flycv
        DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install
      )
    endif()
  endif()
  # fast_tokenizer's static lib is not avaliable now! 
  # may support some days later(TODO:qiuyanjun)
  if(ENABLE_TEXT)
    install(
      DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/fast_tokenizer
      DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install
    )
  endif()  
  # some libs may not to install while in static mode
  if(ENABLE_LITE_BACKEND)
    if(WITH_LITE_STATIC)
      if(WITH_STATIC_LIB)
        install(
          DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/paddlelite/include
          DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install/paddlelite
        )
      endif()
    else()
      install(
        DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/paddlelite
        DESTINATION ${CMAKE_INSTALL_PREFIX}/third_libs/install
      )
    endif()
  endif()
endif()

if(WIN32 AND BUILD_EXAMPLES)
  get_windows_path(_tmp_install_dir ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install)
  get_windows_path(_publish_exe_dir ${EXECUTABLE_OUTPUT_PATH}/Release)
  list(GET CMAKE_CONFIGURATION_TYPES 0 _CONFIG_TYPE)
  if((${CMAKE_BUILD_TYPE} MATCHES "Release") OR (${_CONFIG_TYPE} MATCHES "Release"))
    install(TARGETS ${LIBRARY_NAME} RUNTIME DESTINATION ${EXECUTABLE_OUTPUT_PATH}/Release)
    add_custom_target(
      copy_fd_third_dlls_examples ALL COMMAND
      cmd /C ${PROJECT_SOURCE_DIR}/scripts/fastdeploy_init.bat install ${_tmp_install_dir} ${_publish_exe_dir} noconfirm)
    add_dependencies(copy_fd_third_dlls_examples ${LIBRARY_NAME} copy_yaml_library)
  endif()
endif()

install(
  FILES
  ${PROJECT_SOURCE_DIR}/LICENSE
  ${PROJECT_SOURCE_DIR}/ThirdPartyNotices.txt
  ${PROJECT_SOURCE_DIR}/VERSION_NUMBER
  ${PROJECT_SOURCE_DIR}/FastDeploy.cmake
  ${PROJECT_SOURCE_DIR}/cmake/FastDeployConfig.cmake
  ${PROJECT_SOURCE_DIR}/cmake/utils.cmake
  ${PROJECT_SOURCE_DIR}/cmake/openmp.cmake
  DESTINATION ${CMAKE_INSTALL_PREFIX}
)

if(NOT ANDROID)
  install(
    DIRECTORY ${PROJECT_SOURCE_DIR}/examples
    DESTINATION ${CMAKE_INSTALL_PREFIX}
  )
endif()

install(
  FILES ${PROJECT_SOURCE_DIR}/cmake/gflags.cmake
  DESTINATION ${CMAKE_INSTALL_PREFIX}/utils
)

if(NOT WIN32)
  install(
    FILES ${PROJECT_SOURCE_DIR}/scripts/fastdeploy_init.sh
    DESTINATION ${CMAKE_INSTALL_PREFIX}
  )
else()
  install(
    FILES ${PROJECT_SOURCE_DIR}/scripts/fastdeploy_init.bat
    DESTINATION ${CMAKE_INSTALL_PREFIX}
  )
endif()

if(WITH_ASCEND)
  install(
    FILES ${PROJECT_SOURCE_DIR}/scripts/ascend_init.sh
    DESTINATION ${CMAKE_INSTALL_PREFIX}
  )
endif()

include(${PROJECT_SOURCE_DIR}/cmake/config_cpack.cmake)

############################### Building: FastDeploy Python Wheel #############################
if(BUILD_FASTDEPLOY_PYTHON)
  add_definitions(-DBUILD_FASTDEPLOY_PYTHON)
  if("${PY_EXT_SUFFIX}" STREQUAL "")
    if(MSVC)
      set(PY_EXT_SUFFIX ".pyd")
    else()
      set(PY_EXT_SUFFIX ".so")
    endif()
  endif()

  # find_package Python has replaced PythonInterp and PythonLibs since cmake 3.12
  # Use the following command in the future; now this is only compatible with the latest pybind11
  # find_package(Python ${PY_VERSION} COMPONENTS Interpreter Development REQUIRED)
  find_package(PythonInterp ${PY_VERSION} REQUIRED)
  find_package(PythonLibs ${PY_VERSION})
  if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
    set(CMAKE_NO_SYSTEM_FROM_IMPORTED 1)
  endif()

  if(NOT ENABLE_VISION)
    file(GLOB_RECURSE VISION_PYBIND_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/vision/*_pybind.cc)
    file(GLOB_RECURSE PIPELINE_PYBIND_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/pipeline/*_pybind.cc)
    list(REMOVE_ITEM DEPLOY_PYBIND_SRCS ${VISION_PYBIND_SRCS} ${PIPELINE_PYBIND_SRCS})
  endif()

  if(NOT ENABLE_ENCRYPTION)
    file(GLOB_RECURSE ENCRYPTION_PYBIND_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/encryption/*_pybind.cc)
    list(REMOVE_ITEM DEPLOY_PYBIND_SRCS ${ENCRYPTION_PYBIND_SRCS})
  endif()

  if (NOT ENABLE_TEXT)
    file(GLOB_RECURSE TEXT_PYBIND_SRCS ${PROJECT_SOURCE_DIR}/${CSRCS_DIR_NAME}/fastdeploy/text/*_pybind.cc)
    list(REMOVE_ITEM DEPLOY_PYBIND_SRCS ${TEXT_PYBIND_SRCS})
  endif()

  add_library(${PY_LIBRARY_NAME} MODULE ${DEPLOY_PYBIND_SRCS})
  redefine_file_macro(${PY_LIBRARY_NAME})
  set_target_properties(${PY_LIBRARY_NAME} PROPERTIES PREFIX "")
  set_target_properties(${PY_LIBRARY_NAME}
                        PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
  set_target_properties(${PY_LIBRARY_NAME} PROPERTIES SUFFIX ${PY_EXT_SUFFIX})
  set_target_properties(${PY_LIBRARY_NAME}
                        PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
  target_include_directories(${PY_LIBRARY_NAME} PRIVATE
                             $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
                             $<INSTALL_INTERFACE:include>
                             ${PYTHON_INCLUDE_DIR})

  target_include_directories(${PY_LIBRARY_NAME} PUBLIC ${PROJECT_SOURCE_DIR}/third_party/pybind11/include)
  target_include_directories(${PY_LIBRARY_NAME} PUBLIC ${PROJECT_SOURCE_DIR}/third_party/dlpack/include)

  if(APPLE)
    set_target_properties(${PY_LIBRARY_NAME}
                          PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
  endif()

  target_link_libraries(${PY_LIBRARY_NAME} PUBLIC ${LIBRARY_NAME})

  if(MSVC)
    target_link_libraries(${PY_LIBRARY_NAME} PRIVATE ${PYTHON_LIBRARIES})
    target_compile_options(${PY_LIBRARY_NAME}
                           PRIVATE /MP
                                   /wd4244 # 'argument': conversion from 'google::
                                           # protobuf::uint64' to 'int', possible
                                           # loss of data
                                   /wd4267 # Conversion from 'size_t' to 'int',
                                           # possible loss of data
                                   /wd4996 # The second parameter is ignored.
                                   ${EXTRA_FLAGS})
    target_compile_options(${PY_LIBRARY_NAME} PRIVATE $<$<NOT:$<CONFIG:Debug>>:/MT> $<$<CONFIG:Debug>:/MTd>)
  endif()

  file(REMOVE_RECURSE ${PROJECT_SOURCE_DIR}/fastdeploy/libs)
  file(MAKE_DIRECTORY ${PROJECT_SOURCE_DIR}/fastdeploy/libs)

  if(WIN32)
    add_custom_target(copy_fd_libraries ALL COMMAND ${CMAKE_COMMAND} -E copy_directory   ${CMAKE_CURRENT_BINARY_DIR}/Release ${PROJECT_SOURCE_DIR}/python/fastdeploy/libs/ DEPENDS ${PY_LIBRARY_NAME})
  elseif(APPLE)
    add_custom_target(copy_fd_libraries ALL COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/*.so** ${CMAKE_CURRENT_BINARY_DIR}/*.dylib** ${PROJECT_SOURCE_DIR}/python/fastdeploy/libs/ DEPENDS ${PY_LIBRARY_NAME})
  else()
    add_custom_target(copy_fd_libraries ALL COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/*.so* ${PROJECT_SOURCE_DIR}/python/fastdeploy/libs/ DEPENDS ${PY_LIBRARY_NAME})
  endif()
  add_custom_target(copy_third_libraries ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install ${PROJECT_SOURCE_DIR}/python/fastdeploy/libs/third_libs DEPENDS ${PY_LIBRARY_NAME})
endif(BUILD_FASTDEPLOY_PYTHON)

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.4.0")
    string(STRIP "${CMAKE_CXX_COMPILER_VERSION}" CMAKE_CXX_COMPILER_VERSION)
    message(FATAL_ERROR "[ERROR] FastDeploy require g++ version >= 5.4.0, but now your g++ version is ${CMAKE_CXX_COMPILER_VERSION}, this may cause failure! Use -DCMAKE_CXX_COMPILER to define path of your compiler.")
  endif()
endif()