ocv_cmake_hook(INIT_CPACK)
if(NOT EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake")
  message(STATUS "CPack is not found. SKIP")
  return()
endif()

set(CPACK_set_DESTDIR "on")

if(NOT OPENCV_CUSTOM_PACKAGE_INFO)
  set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Open Computer Vision Library")
  set(CPACK_PACKAGE_DESCRIPTION
"OpenCV (Open Source Computer Vision Library) is an open source computer vision
and machine learning software library. OpenCV was built to provide a common
infrastructure for computer vision applications and to accelerate the use of
machine perception in the commercial products. Being a BSD-licensed product,
OpenCV makes it easy for businesses to utilize and modify the code.")
  set(CPACK_PACKAGE_VENDOR "OpenCV Foundation")
  set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
  set(CPACK_PACKAGE_CONTACT "admin@opencv.org")
  set(CPACK_PACKAGE_VERSION_MAJOR "${OPENCV_VERSION_MAJOR}")
  set(CPACK_PACKAGE_VERSION_MINOR "${OPENCV_VERSION_MINOR}")
  set(CPACK_PACKAGE_VERSION_PATCH "${OPENCV_VERSION_PATCH}")
  set(CPACK_PACKAGE_VERSION "${OPENCV_VCSVERSION}")
endif(NOT OPENCV_CUSTOM_PACKAGE_INFO)

#arch
if(X86)
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "i386")
  set(CPACK_RPM_PACKAGE_ARCHITECTURE "i686")
elseif(X86_64)
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64")
  set(CPACK_RPM_PACKAGE_ARCHITECTURE "x86_64")
elseif(ARM)
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "armhf")
  set(CPACK_RPM_PACKAGE_ARCHITECTURE "armhf")
elseif(AARCH64)
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "arm64")
  set(CPACK_RPM_PACKAGE_ARCHITECTURE "aarch64")
elseif(PPC64LE)
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "ppc64el")
  set(CPACK_RPM_PACKAGE_ARCHITECTURE "ppc64le")
else()
  set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
  set(CPACK_RPM_PACKAGE_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
endif()

if(CPACK_GENERATOR STREQUAL "DEB")
  set(OPENCV_PACKAGE_ARCH_SUFFIX ${CPACK_DEBIAN_PACKAGE_ARCHITECTURE})
elseif(CPACK_GENERATOR STREQUAL "RPM")
  set(OPENCV_PACKAGE_ARCH_SUFFIX ${CPACK_RPM_PACKAGE_ARCHITECTURE})
else()
  set(OPENCV_PACKAGE_ARCH_SUFFIX ${CMAKE_SYSTEM_PROCESSOR})
endif()

set(CPACK_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${OPENCV_VCSVERSION}-${OPENCV_PACKAGE_ARCH_SUFFIX}")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${OPENCV_VCSVERSION}-${OPENCV_PACKAGE_ARCH_SUFFIX}")

#rpm options
set(CPACK_RPM_COMPONENT_INSTALL TRUE)
set(CPACK_RPM_PACKAGE_SUMMARY ${CPACK_PACKAGE_DESCRIPTION_SUMMARY})
set(CPACK_RPM_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION})
set(CPACK_RPM_PACKAGE_URL "http://opencv.org")
set(CPACK_RPM_PACKAGE_LICENSE "Apache 2.0")

#deb options
set(CPACK_DEB_COMPONENT_INSTALL TRUE)
set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
set(CPACK_DEBIAN_PACKAGE_SECTION "libs")
set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://opencv.org")

#display names
set(CPACK_COMPONENT_DEV_DISPLAY_NAME     "Development files")
set(CPACK_COMPONENT_DOCS_DISPLAY_NAME    "Documentation")
set(CPACK_COMPONENT_JAVA_DISPLAY_NAME    "Java bindings")
set(CPACK_COMPONENT_LIBS_DISPLAY_NAME    "Libraries and data")
set(CPACK_COMPONENT_PYTHON_DISPLAY_NAME  "Python bindings")
set(CPACK_COMPONENT_SAMPLES_DISPLAY_NAME "Samples")
set(CPACK_COMPONENT_TESTS_DISPLAY_NAME   "Tests")

#depencencies
set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS TRUE)
set(CPACK_COMPONENT_LIBS_REQUIRED TRUE)
set(CPACK_COMPONENT_SAMPLES_DEPENDS libs)
set(CPACK_COMPONENT_DEV_DEPENDS libs)
set(CPACK_COMPONENT_DOCS_DEPENDS libs)
set(CPACK_COMPONENT_JAVA_DEPENDS libs)
set(CPACK_COMPONENT_PYTHON_DEPENDS libs)
set(CPACK_COMPONENT_TESTS_DEPENDS libs)

if(HAVE_CUDA)
  string(REPLACE "." "-" cuda_version_suffix ${CUDA_VERSION})
  if(CUDA_VERSION VERSION_LESS "6.5")
    set(CPACK_DEB_libs_PACKAGE_DEPENDS "cuda-core-libs-${cuda_version_suffix}, cuda-extra-libs-${cuda_version_suffix}")
    set(CPACK_DEB_dev_PACKAGE_DEPENDS "cuda-headers-${cuda_version_suffix}")
  else()
    set(CPACK_DEB_libs_PACKAGE_DEPENDS "cuda-cudart-${cuda_version_suffix}, cuda-npp-${cuda_version_suffix}")
    set(CPACK_DEB_dev_PACKAGE_DEPENDS "cuda-cudart-dev-${cuda_version_suffix}, cuda-npp-dev-${cuda_version_suffix}")
    if(HAVE_CUFFT)
      set(CPACK_DEB_libs_PACKAGE_DEPENDS "${CPACK_DEB_libs_PACKAGE_DEPENDS}, cuda-cufft-${cuda_version_suffix}")
      set(CPACK_DEB_dev_PACKAGE_DEPENDS "${CPACK_DEB_dev_PACKAGE_DEPENDS}, cuda-cufft-dev-${cuda_version_suffix}")
    endif()
    if(HAVE_CUBLAS)
      set(CPACK_DEB_libs_PACKAGE_DEPENDS "${CPACK_DEB_libs_PACKAGE_DEPENDS}, cuda-cublas-${cuda_version_suffix}")
      set(CPACK_DEB_dev_PACKAGE_DEPENDS "${CPACK_DEB_dev_PACKAGE_DEPENDS}, cuda-cublas-dev-${cuda_version_suffix}")
    endif()
    if(HAVE_CUDNN)
      # TODO
      #ex: libcudnn7_7.5.1.10-1+cuda10.1_amd64
      #ex: libcudnn7-dev_7.5.1.10-1+cuda10.1_amd64
    endif()
  endif()
  set(CPACK_COMPONENT_dev_DEPENDS libs)
endif()

if(HAVE_TBB AND NOT BUILD_TBB)
  if(CPACK_DEB_DEV_PACKAGE_DEPENDS)
    set(CPACK_DEB_DEV_PACKAGE_DEPENDS "${CPACK_DEB_DEV_PACKAGE_DEPENDS}, libtbb-dev")
  else()
    set(CPACK_DEB_DEV_PACKAGE_DEPENDS "libtbb-dev")
  endif()
endif()

set(STD_OPENCV_LIBS opencv-data)
set(STD_OPENCV_DEV libopencv-dev)

foreach(module calib3d core dnn features2d flann gapi highgui
               imgcodecs imgproc ml objdetect
               photo stitching ts video videoio)
  if(HAVE_opencv_${module})
    list(APPEND STD_OPENCV_LIBS "libopencv-${module}4.0")
    list(APPEND STD_OPENCV_DEV "libopencv-${module}-dev")
  endif()
endforeach()

string(REPLACE ";" ", " CPACK_COMPONENT_LIBS_CONFLICTS "${STD_OPENCV_LIBS}")
string(REPLACE ";" ", " CPACK_COMPONENT_LIBS_PROVIDES "${STD_OPENCV_LIBS}")
string(REPLACE ";" ", " CPACK_COMPONENT_LIBS_REPLACES "${STD_OPENCV_LIBS}")

string(REPLACE ";" ", " CPACK_COMPONENT_DEV_CONFLICTS "${STD_OPENCV_DEV}")
string(REPLACE ";" ", " CPACK_COMPONENT_DEV_PROVIDES "${STD_OPENCV_DEV}")
string(REPLACE ";" ", " CPACK_COMPONENT_DEV_REPLACES "${STD_OPENCV_DEV}")

set(CPACK_COMPONENT_PYTHON_CONFLICTS python-opencv)
set(CPACK_COMPONENT_PYTHON_PROVIDES python-opencv)
set(CPACK_COMPONENT_PYTHON_REPLACES python-opencv)

set(CPACK_COMPONENT_JAVA_CONFLICTS "libopencv4.0-java, libopencv4.0-jni")
set(CPACK_COMPONENT_JAVA_PROVIDES "libopencv4.0-java, libopencv4.0-jni")
set(CPACK_COMPONENT_JAVA_REPLACES "libopencv4.0-java, libopencv4.0-jni")

set(CPACK_COMPONENT_DOCS_CONFLICTS opencv-doc)
set(CPACK_COMPONENT_SAMPLES_CONFLICTS opencv-doc)

if(NOT OPENCV_CUSTOM_PACKAGE_INFO)
  set(CPACK_COMPONENT_LIBS_DESCRIPTION "Open Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_LIBS_NAME "lib${CMAKE_PROJECT_NAME}")

  set(CPACK_COMPONENT_PYTHON_DESCRIPTION "Python bindings for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_PYTHON_NAME "lib${CMAKE_PROJECT_NAME}-python")

  set(CPACK_COMPONENT_JAVA_DESCRIPTION "Java bindings for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_JAVA_NAME "lib${CMAKE_PROJECT_NAME}-java")

  set(CPACK_COMPONENT_DEV_DESCRIPTION "Development files for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_DEV_NAME "lib${CMAKE_PROJECT_NAME}-dev")

  set(CPACK_COMPONENT_DOCS_DESCRIPTION "Documentation for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_DOCS_NAME "lib${CMAKE_PROJECT_NAME}-docs")

  set(CPACK_COMPONENT_SAMPLES_DESCRIPTION "Samples for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_SAMPLES_NAME "lib${CMAKE_PROJECT_NAME}-samples")

  set(CPACK_COMPONENT_TESTS_DESCRIPTION "Accuracy and performance tests for Open Source Computer Vision Library")
  set(CPACK_DEBIAN_COMPONENT_TESTS_NAME "lib${CMAKE_PROJECT_NAME}-tests")
endif(NOT OPENCV_CUSTOM_PACKAGE_INFO)

ocv_cmake_hook(PRE_CPACK)
include(CPack)
ocv_cmake_hook(POST_CPACK)