CMakeLists.txt

# ----------------------------------------------------------------------------
#  Root CMake file for OpenCV
#
#    From the off-tree build directory, invoke:
#      $ cmake <PATH_TO_OPENCV_ROOT>
#
# ----------------------------------------------------------------------------

# Disable in-source builds to prevent source tree corruption.
if(" ${CMAKE_SOURCE_DIR}" STREQUAL " ${CMAKE_BINARY_DIR}")
  message(FATAL_ERROR "
FATAL: In-source builds are not allowed.
       You should create a separate directory for build files.
")
endif()


include(cmake/OpenCVMinDepVersions.cmake)

if(CMAKE_GENERATOR MATCHES Xcode AND XCODE_VERSION VERSION_GREATER 4.3)
  cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
elseif(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
  cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
  #Required to resolve linker error issues due to incompatibility with CMake v3.0+ policies.
  #CMake fails to find _fseeko() which leads to subsequent linker error.
  #See details here: http://www.cmake.org/Wiki/CMake/Policies
  cmake_policy(VERSION 2.8)
else()
  cmake_minimum_required(VERSION "${MIN_VER_CMAKE}" FATAL_ERROR)
endif()

# Following block can break build in case of cross-compilng
# but CMAKE_CROSSCOMPILING variable will be set only on project(OpenCV) command
# so we will try to detect cross-compiling by presense of CMAKE_TOOLCHAIN_FILE
if(NOT DEFINED CMAKE_INSTALL_PREFIX)
  if(NOT CMAKE_TOOLCHAIN_FILE)
    # it _must_ go before project(OpenCV) in order to work
    if(WIN32)
      set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory")
    else()
      set(CMAKE_INSTALL_PREFIX "/usr/local" CACHE PATH "Installation Directory")
    endif()
  else(NOT CMAKE_TOOLCHAIN_FILE)
    #Android: set output folder to ${CMAKE_BINARY_DIR}
    set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_BINARY_DIR} CACHE PATH "root for library output, set this to change where android libs are compiled to" )
    # any cross-compiling
    set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory")
  endif(NOT CMAKE_TOOLCHAIN_FILE)
endif()

if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
  set(WINRT TRUE)
endif(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)

if(WINRT)
  add_definitions(-DWINRT -DNO_GETENV)

  # Making definitions available to other configurations and
  # to filter dependency restrictions at compile time.
  if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone)
    set(WINRT_PHONE TRUE)
    add_definitions(-DWINRT_PHONE)
  elseif(CMAKE_SYSTEM_NAME MATCHES WindowsStore)
    set(WINRT_STORE TRUE)
    add_definitions(-DWINRT_STORE)
  endif()

  if(CMAKE_SYSTEM_VERSION MATCHES 10)
    set(WINRT_10 TRUE)
    add_definitions(-DWINRT_10)
  elseif(CMAKE_SYSTEM_VERSION MATCHES 8.1)
    set(WINRT_8_1 TRUE)
    add_definitions(-DWINRT_8_1)
  elseif(CMAKE_SYSTEM_VERSION MATCHES 8.0)
    set(WINRT_8_0 TRUE)
    add_definitions(-DWINRT_8_0)
  endif()
endif()

if(POLICY CMP0026)
  cmake_policy(SET CMP0026 NEW)
endif()

if(POLICY CMP0042)
  cmake_policy(SET CMP0042 NEW)
endif()

if(POLICY CMP0046)
  cmake_policy(SET CMP0046 NEW)
endif()

if(POLICY CMP0051)
  cmake_policy(SET CMP0051 NEW)
endif()

if(POLICY CMP0056)
  cmake_policy(SET CMP0056 NEW)
endif()

if(POLICY CMP0067)
  cmake_policy(SET CMP0067 NEW)
endif()

include(cmake/OpenCVUtils.cmake)

# must go before the project command
ocv_update(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs" FORCE)
if(DEFINED CMAKE_BUILD_TYPE)
  set_property( CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS ${CMAKE_CONFIGURATION_TYPES} )
endif()

enable_testing()

project(OpenCV CXX C)

if(MSVC)
  set(CMAKE_USE_RELATIVE_PATHS ON CACHE INTERNAL "" FORCE)
endif()

ocv_cmake_eval(DEBUG_PRE ONCE)

ocv_clear_vars(OpenCVModules_TARGETS)

include(cmake/OpenCVDownload.cmake)

# ----------------------------------------------------------------------------
# Break in case of popular CMake configuration mistakes
# ----------------------------------------------------------------------------
if(NOT CMAKE_SIZEOF_VOID_P GREATER 0)
  message(FATAL_ERROR "CMake fails to determine the bitness of the target platform.
  Please check your CMake and compiler installation. If you are cross-compiling then ensure that your CMake toolchain file correctly sets the compiler details.")
endif()

# ----------------------------------------------------------------------------
# Detect compiler and target platform architecture
# ----------------------------------------------------------------------------
OCV_OPTION(ENABLE_CXX11 "Enable C++11 compilation mode" "${OPENCV_CXX11}")
include(cmake/OpenCVDetectCXXCompiler.cmake)

# Add these standard paths to the search paths for FIND_LIBRARY
# to find libraries from these locations first
if(UNIX AND NOT ANDROID)
  if(X86_64 OR CMAKE_SIZEOF_VOID_P EQUAL 8)
    if(EXISTS /lib64)
      list(APPEND CMAKE_LIBRARY_PATH /lib64)
    else()
      list(APPEND CMAKE_LIBRARY_PATH /lib)
    endif()
    if(EXISTS /usr/lib64)
      list(APPEND CMAKE_LIBRARY_PATH /usr/lib64)
    else()
      list(APPEND CMAKE_LIBRARY_PATH /usr/lib)
    endif()
  elseif(X86 OR CMAKE_SIZEOF_VOID_P EQUAL 4)
    if(EXISTS /lib32)
      list(APPEND CMAKE_LIBRARY_PATH /lib32)
    else()
      list(APPEND CMAKE_LIBRARY_PATH /lib)
    endif()
    if(EXISTS /usr/lib32)
      list(APPEND CMAKE_LIBRARY_PATH /usr/lib32)
    else()
      list(APPEND CMAKE_LIBRARY_PATH /usr/lib)
    endif()
  endif()
endif()

# Add these standard paths to the search paths for FIND_PATH
# to find include files from these locations first
if(MINGW)
  if(EXISTS /mingw)
      list(APPEND CMAKE_INCLUDE_PATH /mingw)
  endif()
  if(EXISTS /mingw32)
      list(APPEND CMAKE_INCLUDE_PATH /mingw32)
  endif()
  if(EXISTS /mingw64)
      list(APPEND CMAKE_INCLUDE_PATH /mingw64)
  endif()
endif()

# ----------------------------------------------------------------------------
# OpenCV cmake options
# ----------------------------------------------------------------------------

OCV_OPTION(OPENCV_ENABLE_NONFREE "Enable non-free algorithms" OFF)

# Optional 3rd party components
# ===================================================
OCV_OPTION(WITH_1394           "Include IEEE1394 support"                    ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_AVFOUNDATION   "Use AVFoundation for Video I/O (iOS/Mac)"    ON   IF APPLE)
OCV_OPTION(WITH_CARBON         "Use Carbon for UI instead of Cocoa"          OFF  IF APPLE )
OCV_OPTION(WITH_CAROTENE       "Use NVidia carotene acceleration library for ARM platform"                   ON  IF (ARM OR AARCH64) AND NOT IOS AND NOT (CMAKE_VERSION VERSION_LESS "2.8.11"))
OCV_OPTION(WITH_CPUFEATURES    "Use cpufeatures Android library"             ON   IF ANDROID)
OCV_OPTION(WITH_VTK            "Include VTK library support (and build opencv_viz module eiher)"             ON  IF (NOT ANDROID AND NOT IOS AND NOT WINRT AND NOT CMAKE_CROSSCOMPILING) )
OCV_OPTION(WITH_CUDA           "Include NVidia Cuda Runtime support"                                         ON  IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_CUFFT          "Include NVidia Cuda Fast Fourier Transform (FFT) library support"            ON  IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_CUBLAS         "Include NVidia Cuda Basic Linear Algebra Subprograms (BLAS) library support" ON IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_NVCUVID        "Include NVidia Video Decoding library support"                               ON IF (NOT IOS AND NOT APPLE) )
OCV_OPTION(WITH_EIGEN          "Include Eigen2/Eigen3 support"               ON   IF (NOT WINRT) )
OCV_OPTION(WITH_VFW            "Include Video for Windows support"           ON   IF WIN32 )
OCV_OPTION(WITH_FFMPEG         "Include FFMPEG support"                      ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_GSTREAMER      "Include Gstreamer support"                   ON   IF (NOT ANDROID) )
OCV_OPTION(WITH_GSTREAMER_0_10 "Enable Gstreamer 0.10 support (instead of 1.x)"                              OFF )
OCV_OPTION(WITH_GTK            "Include GTK support"                         ON   IF (UNIX AND NOT APPLE AND NOT ANDROID) )
OCV_OPTION(WITH_GTK_2_X        "Use GTK version 2"                           OFF  IF (UNIX AND NOT APPLE AND NOT ANDROID) )
OCV_OPTION(WITH_IPP            "Include Intel IPP support"                   NOT MINGW IF (X86_64 OR X86) AND NOT WINRT )
OCV_OPTION(WITH_HALIDE         "Include Halide support"                      OFF)
OCV_OPTION(WITH_JASPER         "Include JPEG2K support"                      ON   IF (NOT IOS) )
OCV_OPTION(WITH_JPEG           "Include JPEG support"                        ON)
OCV_OPTION(WITH_WEBP           "Include WebP support"                        ON   IF (NOT WINRT) )
OCV_OPTION(WITH_OPENEXR        "Include ILM support via OpenEXR"             ON   IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENGL         "Include OpenGL support"                      OFF  IF (NOT ANDROID AND NOT WINRT) )
OCV_OPTION(WITH_OPENVX         "Include OpenVX support"                      OFF)
OCV_OPTION(WITH_OPENNI         "Include OpenNI support"                      OFF  IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENNI2        "Include OpenNI2 support"                     OFF  IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_PNG            "Include PNG support"                         ON)
OCV_OPTION(WITH_GDCM           "Include DICOM support"                       OFF)
OCV_OPTION(WITH_PVAPI          "Include Prosilica GigE support"              OFF   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_GIGEAPI        "Include Smartek GigE support"                OFF   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_ARAVIS         "Include Aravis GigE support"                 OFF   IF (NOT ANDROID AND NOT IOS AND NOT WINRT AND NOT WIN32) )
OCV_OPTION(WITH_QT             "Build with Qt Backend support"               OFF  IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_WIN32UI        "Build with Win32 UI Backend support"         ON   IF WIN32 AND NOT WINRT)
OCV_OPTION(WITH_QUICKTIME      "Use QuickTime for Video I/O"                 OFF  IF APPLE )
OCV_OPTION(WITH_QTKIT          "Use QTKit Video I/O backend"                 OFF  IF APPLE )
OCV_OPTION(WITH_TBB            "Include Intel TBB support"                   OFF  IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENMP         "Include OpenMP support"                      OFF)
OCV_OPTION(WITH_CSTRIPES       "Include C= support"                          OFF  IF (WIN32 AND NOT WINRT)  )
OCV_OPTION(WITH_PTHREADS_PF    "Use pthreads-based parallel_for"             ON   IF (NOT WIN32 OR MINGW) )
OCV_OPTION(WITH_TIFF           "Include TIFF support"                        ON   IF (NOT IOS) )
OCV_OPTION(WITH_UNICAP         "Include Unicap support (GPL)"                OFF  IF (UNIX AND NOT APPLE AND NOT ANDROID) )
OCV_OPTION(WITH_V4L            "Include Video 4 Linux support"               ON   IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_LIBV4L         "Use libv4l for Video 4 Linux support"        OFF  IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_DSHOW          "Build VideoIO with DirectShow support"       ON   IF (WIN32 AND NOT ARM AND NOT WINRT) )
OCV_OPTION(WITH_MSMF           "Build VideoIO with Media Foundation support" OFF  IF WIN32 )
OCV_OPTION(WITH_XIMEA          "Include XIMEA cameras support"               OFF  IF (NOT ANDROID AND NOT WINRT) )
OCV_OPTION(WITH_XINE           "Include Xine support (GPL)"                  OFF  IF (UNIX AND NOT APPLE AND NOT ANDROID) )
OCV_OPTION(WITH_CLP            "Include Clp support (EPL)"                   OFF)
OCV_OPTION(WITH_OPENCL         "Include OpenCL Runtime support"              NOT ANDROID IF (NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENCL_SVM     "Include OpenCL Shared Virtual Memory support" OFF ) # experimental
OCV_OPTION(WITH_OPENCLAMDFFT   "Include AMD OpenCL FFT library support"      ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_OPENCLAMDBLAS  "Include AMD OpenCL BLAS library support"     ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_DIRECTX        "Include DirectX support"                     ON   IF (WIN32 AND NOT WINRT) )
OCV_OPTION(WITH_INTELPERC      "Include Intel Perceptual Computing support"  OFF  IF (WIN32 AND NOT WINRT) )
OCV_OPTION(WITH_MATLAB         "Include Matlab support"                      ON   IF (NOT ANDROID AND NOT IOS AND NOT WINRT))
OCV_OPTION(WITH_VA             "Include VA support"                          OFF  IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_VA_INTEL       "Include Intel VA-API/OpenCL support"         OFF  IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_MFX            "Include Intel Media SDK support"             OFF   IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_GDAL           "Include GDAL Support"                        OFF  IF (NOT ANDROID AND NOT IOS AND NOT WINRT) )
OCV_OPTION(WITH_GPHOTO2        "Include gPhoto2 library support"             ON   IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_LAPACK         "Include Lapack library support"              ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_ITT            "Include Intel ITT support"                   ON   IF (NOT APPLE_FRAMEWORK) )

# OpenCV build components
# ===================================================
OCV_OPTION(BUILD_SHARED_LIBS        "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" NOT (ANDROID OR APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_opencv_apps        "Build utility applications (used for example to train classifiers)" (NOT ANDROID AND NOT WINRT) IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_ANDROID_EXAMPLES   "Build examples for Android platform"         ON  IF ANDROID )
OCV_OPTION(BUILD_DOCS               "Create build rules for OpenCV Documentation" ON  IF (NOT WINRT OR APPLE_FRAMEWORK))
OCV_OPTION(BUILD_EXAMPLES           "Build all examples"                          OFF )
OCV_OPTION(BUILD_PACKAGE            "Enables 'make package_source' command"       ON  IF NOT WINRT)
OCV_OPTION(BUILD_PERF_TESTS         "Build performance tests"                     ON  IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_TESTS              "Build accuracy & regression tests"           ON  IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_WITH_DEBUG_INFO    "Include debug info into debug libs (not MSCV only)" ON )
OCV_OPTION(BUILD_WITH_STATIC_CRT    "Enables use of statically linked CRT for statically linked OpenCV" ON IF MSVC )
OCV_OPTION(BUILD_WITH_DYNAMIC_IPP   "Enables dynamic linking of IPP (only for standalone IPP)" OFF )
OCV_OPTION(BUILD_FAT_JAVA_LIB       "Create fat java wrapper containing the whole OpenCV library" ON IF NOT BUILD_SHARED_LIBS AND CMAKE_COMPILER_IS_GNUCXX )
OCV_OPTION(BUILD_ANDROID_SERVICE    "Build OpenCV Manager for Google Play" OFF IF ANDROID )
OCV_OPTION(BUILD_CUDA_STUBS         "Build CUDA modules stubs when no CUDA SDK" OFF  IF (NOT APPLE_FRAMEWORK) )

# 3rd party libs
OCV_OPTION(BUILD_ZLIB               "Build zlib from source"             WIN32 OR APPLE )
OCV_OPTION(BUILD_TIFF               "Build libtiff from source"          WIN32 OR ANDROID OR APPLE )
OCV_OPTION(BUILD_JASPER             "Build libjasper from source"        WIN32 OR ANDROID OR APPLE )
OCV_OPTION(BUILD_JPEG               "Build libjpeg from source"          WIN32 OR ANDROID OR APPLE )
OCV_OPTION(BUILD_PNG                "Build libpng from source"           WIN32 OR ANDROID OR APPLE )
OCV_OPTION(BUILD_OPENEXR            "Build openexr from source"          (WIN32 OR ANDROID OR APPLE) AND NOT WINRT)
OCV_OPTION(BUILD_TBB                "Download and build TBB from source" ANDROID )
OCV_OPTION(BUILD_IPP_IW             "Build IPP IW from source"           NOT MINGW IF (X86_64 OR X86) AND NOT WINRT )
OCV_OPTION(BUILD_ITT                "Build Intel ITT from source"        NOT MINGW IF (X86_64 OR X86) AND NOT WINRT AND NOT APPLE_FRAMEWORK )

# OpenCV installation options
# ===================================================
OCV_OPTION(INSTALL_CREATE_DISTRIB   "Change install rules to build the distribution package" OFF )
OCV_OPTION(INSTALL_C_EXAMPLES       "Install C examples"        OFF )
OCV_OPTION(INSTALL_PYTHON_EXAMPLES  "Install Python examples"   OFF )
OCV_OPTION(INSTALL_ANDROID_EXAMPLES "Install Android examples"  OFF IF ANDROID )
OCV_OPTION(INSTALL_TO_MANGLED_PATHS "Enables mangled install paths, that help with side by side installs." OFF IF (UNIX AND NOT ANDROID AND NOT APPLE_FRAMEWORK AND BUILD_SHARED_LIBS) )
OCV_OPTION(INSTALL_TESTS            "Install accuracy and performance test binaries and test data" OFF)

# OpenCV build options
# ===================================================
OCV_OPTION(ENABLE_CCACHE              "Use ccache"                                               (UNIX AND NOT IOS AND (CMAKE_GENERATOR MATCHES "Makefile" OR CMAKE_GENERATOR MATCHES "Ninja")) )
OCV_OPTION(ENABLE_PRECOMPILED_HEADERS "Use precompiled headers"                                  ON IF (NOT IOS AND NOT CMAKE_CROSSCOMPILING) )
OCV_OPTION(ENABLE_SOLUTION_FOLDERS    "Solution folder in Visual Studio or in other IDEs"        (MSVC_IDE OR CMAKE_GENERATOR MATCHES Xcode) )
OCV_OPTION(ENABLE_PROFILING           "Enable profiling in the GCC compiler (Add flags: -g -pg)" OFF  IF CMAKE_COMPILER_IS_GNUCXX )
OCV_OPTION(ENABLE_COVERAGE            "Enable coverage collection with  GCov"                    OFF  IF CMAKE_COMPILER_IS_GNUCXX )
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER  "Enable -fomit-frame-pointer for GCC"                      ON   IF CMAKE_COMPILER_IS_GNUCXX AND NOT (APPLE AND CMAKE_COMPILER_IS_CLANGCXX) )
OCV_OPTION(ENABLE_POWERPC             "Enable PowerPC for GCC"                                   ON   IF (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_FAST_MATH           "Enable -ffast-math (not recommended for GCC 4.6.x)"       OFF  IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_NEON                "Enable NEON instructions"                                 (NEON OR ANDROID_ARM_NEON OR AARCH64) IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_VFPV3               "Enable VFPv3-D32 instructions"                            OFF  IF CMAKE_COMPILER_IS_GNUCXX AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_NOISY_WARNINGS      "Show all warnings even if they are too noisy"             OFF )
OCV_OPTION(OPENCV_WARNINGS_ARE_ERRORS "Treat warnings as errors"                                 OFF )
OCV_OPTION(ANDROID_EXAMPLES_WITH_LIBS "Build binaries of Android examples with native libraries" OFF  IF ANDROID )
OCV_OPTION(ENABLE_IMPL_COLLECTION     "Collect implementation data on function call"             OFF )
OCV_OPTION(ENABLE_INSTRUMENTATION     "Instrument functions to collect calls trace and performance" OFF )
OCV_OPTION(ENABLE_GNU_STL_DEBUG       "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)"       OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CMAKE_COMPILER_IS_GNUCXX) )
OCV_OPTION(ENABLE_BUILD_HARDENING     "Enable hardening of the resulting binaries (against security attacks, detects memory corruption, etc)" OFF)
OCV_OPTION(GENERATE_ABI_DESCRIPTOR    "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
OCV_OPTION(CV_ENABLE_INTRINSICS       "Use intrinsic-based optimized code" ON )
OCV_OPTION(CV_DISABLE_OPTIMIZATION    "Disable explicit optimized code (dispatched code/intrinsics/loop unrolling/etc)" OFF )
OCV_OPTION(CV_TRACE                   "Enable OpenCV code trace" ON)


if(ENABLE_IMPL_COLLECTION)
  add_definitions(-DCV_COLLECT_IMPL_DATA)
endif()


# ----------------------------------------------------------------------------
#  Get actual OpenCV version number from sources
# ----------------------------------------------------------------------------
include(cmake/OpenCVVersion.cmake)


# ----------------------------------------------------------------------------
#  Build & install layouts
# ----------------------------------------------------------------------------

# Save libs and executables in the same place
set(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}/bin" CACHE PATH "Output directory for applications")

if(ANDROID)
  if(ANDROID_ABI MATCHES "NEON")
    set(ENABLE_NEON ON)
  endif()
  if(ANDROID_ABI MATCHES "VFPV3")
    set(ENABLE_VFPV3 ON)
  endif()
endif()

if(ANDROID OR WIN32)
  ocv_update(OPENCV_DOC_INSTALL_PATH doc)
else()
  ocv_update(OPENCV_DOC_INSTALL_PATH share/OpenCV/doc)
endif()

if(WIN32 AND CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
  if(DEFINED OpenCV_RUNTIME AND DEFINED OpenCV_ARCH)
    ocv_update(OpenCV_INSTALL_BINARIES_PREFIX "${OpenCV_ARCH}/${OpenCV_RUNTIME}/")
  else()
    message(STATUS "Can't detect runtime and/or arch")
    ocv_update(OpenCV_INSTALL_BINARIES_PREFIX "")
  endif()
elseif(ANDROID)
  ocv_update(OpenCV_INSTALL_BINARIES_PREFIX "sdk/native/")
else()
  ocv_update(OpenCV_INSTALL_BINARIES_PREFIX "")
endif()

if(ANDROID)
  ocv_update(OPENCV_SAMPLES_BIN_INSTALL_PATH "${OpenCV_INSTALL_BINARIES_PREFIX}samples/${ANDROID_NDK_ABI_NAME}")
else()
  ocv_update(OPENCV_SAMPLES_BIN_INSTALL_PATH "${OpenCV_INSTALL_BINARIES_PREFIX}samples")
endif()

if(ANDROID)
  ocv_update(OPENCV_BIN_INSTALL_PATH "${OpenCV_INSTALL_BINARIES_PREFIX}bin/${ANDROID_NDK_ABI_NAME}")
else()
  ocv_update(OPENCV_BIN_INSTALL_PATH "${OpenCV_INSTALL_BINARIES_PREFIX}bin")
endif()

if(NOT OPENCV_TEST_INSTALL_PATH)
  ocv_update(OPENCV_TEST_INSTALL_PATH "${OPENCV_BIN_INSTALL_PATH}")
endif()

if (OPENCV_TEST_DATA_PATH)
  get_filename_component(OPENCV_TEST_DATA_PATH ${OPENCV_TEST_DATA_PATH} ABSOLUTE)
endif()

if(ANDROID)
  ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "sdk/etc/testdata")
elseif(WIN32)
  ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "testdata")
else()
  ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "share/OpenCV/testdata")
endif()

if(ANDROID)
  set(LIBRARY_OUTPUT_PATH                "${OpenCV_BINARY_DIR}/lib/${ANDROID_NDK_ABI_NAME}")
  ocv_update(3P_LIBRARY_OUTPUT_PATH      "${OpenCV_BINARY_DIR}/3rdparty/lib/${ANDROID_NDK_ABI_NAME}")
  ocv_update(OPENCV_LIB_INSTALL_PATH     sdk/native/libs/${ANDROID_NDK_ABI_NAME})
  ocv_update(OPENCV_3P_LIB_INSTALL_PATH  sdk/native/3rdparty/libs/${ANDROID_NDK_ABI_NAME})
  ocv_update(OPENCV_CONFIG_INSTALL_PATH  sdk/native/jni)
  ocv_update(OPENCV_INCLUDE_INSTALL_PATH sdk/native/jni/include)
  ocv_update(OPENCV_SAMPLES_SRC_INSTALL_PATH samples/native)
  ocv_update(OPENCV_OTHER_INSTALL_PATH   sdk/etc)
else()
  set(LIBRARY_OUTPUT_PATH                "${OpenCV_BINARY_DIR}/lib")
  ocv_update(3P_LIBRARY_OUTPUT_PATH      "${OpenCV_BINARY_DIR}/3rdparty/lib${LIB_SUFFIX}")

  if(WIN32 AND CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
    if(OpenCV_STATIC)
      ocv_update(OPENCV_LIB_INSTALL_PATH   "${OpenCV_INSTALL_BINARIES_PREFIX}staticlib${LIB_SUFFIX}")
    else()
      ocv_update(OPENCV_LIB_INSTALL_PATH   "${OpenCV_INSTALL_BINARIES_PREFIX}lib${LIB_SUFFIX}")
    endif()
    ocv_update(OPENCV_3P_LIB_INSTALL_PATH  "${OpenCV_INSTALL_BINARIES_PREFIX}staticlib${LIB_SUFFIX}")
    ocv_update(OPENCV_SAMPLES_SRC_INSTALL_PATH    samples/native)
    ocv_update(OPENCV_JAR_INSTALL_PATH java)
    ocv_update(OPENCV_OTHER_INSTALL_PATH   etc)
    ocv_update(OPENCV_CONFIG_INSTALL_PATH  ".")
  else()
    ocv_update(OPENCV_LIB_INSTALL_PATH     lib${LIB_SUFFIX})
    ocv_update(OPENCV_3P_LIB_INSTALL_PATH  share/OpenCV/3rdparty/${OPENCV_LIB_INSTALL_PATH})
    ocv_update(OPENCV_SAMPLES_SRC_INSTALL_PATH    share/OpenCV/samples)
    ocv_update(OPENCV_JAR_INSTALL_PATH share/OpenCV/java)
    ocv_update(OPENCV_OTHER_INSTALL_PATH   share/OpenCV)

    if(NOT DEFINED OPENCV_CONFIG_INSTALL_PATH)
      math(EXPR SIZEOF_VOID_P_BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
      if(LIB_SUFFIX AND NOT SIZEOF_VOID_P_BITS EQUAL LIB_SUFFIX)
        ocv_update(OPENCV_CONFIG_INSTALL_PATH lib${LIB_SUFFIX}/cmake/opencv)
      else()
        ocv_update(OPENCV_CONFIG_INSTALL_PATH share/OpenCV)
      endif()
    endif()
  endif()
  ocv_update(OPENCV_INCLUDE_INSTALL_PATH "include")
endif()

ocv_update(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${OPENCV_LIB_INSTALL_PATH}")
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

if(INSTALL_TO_MANGLED_PATHS)
  set(OPENCV_INCLUDE_INSTALL_PATH ${OPENCV_INCLUDE_INSTALL_PATH}/opencv-${OPENCV_VERSION})
  foreach(v
      OPENCV_3P_LIB_INSTALL_PATH
      OPENCV_SAMPLES_SRC_INSTALL_PATH
      OPENCV_CONFIG_INSTALL_PATH
      OPENCV_DOC_INSTALL_PATH
      OPENCV_JAR_INSTALL_PATH
      OPENCV_TEST_DATA_INSTALL_PATH
      OPENCV_OTHER_INSTALL_PATH
    )
    string(REPLACE "OpenCV" "OpenCV-${OPENCV_VERSION}" ${v} "${${v}}")
    string(REPLACE "opencv" "opencv-${OPENCV_VERSION}" ${v} "${${v}}")
  endforeach()
endif()


if(WIN32)
  # Postfix of DLLs:
  set(OPENCV_DLLVERSION "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}")
  set(OPENCV_DEBUG_POSTFIX d)
else()
  # Postfix of so's:
  set(OPENCV_DLLVERSION "")
  set(OPENCV_DEBUG_POSTFIX "")
endif()

if(DEFINED CMAKE_DEBUG_POSTFIX)
  set(OPENCV_DEBUG_POSTFIX "${CMAKE_DEBUG_POSTFIX}")
endif()

if((INSTALL_CREATE_DISTRIB AND BUILD_SHARED_LIBS AND NOT DEFINED BUILD_opencv_world) OR APPLE_FRAMEWORK)
  set(BUILD_opencv_world ON CACHE INTERNAL "")
endif()

# ----------------------------------------------------------------------------
#  Path for build/platform -specific headers
# ----------------------------------------------------------------------------
ocv_update(OPENCV_CONFIG_FILE_INCLUDE_DIR "${CMAKE_BINARY_DIR}/" CACHE PATH "Where to create the platform-dependant cvconfig.h")
ocv_include_directories(${OPENCV_CONFIG_FILE_INCLUDE_DIR})

# ----------------------------------------------------------------------------
#  Path for additional modules
# ----------------------------------------------------------------------------
set(OPENCV_EXTRA_MODULES_PATH "" CACHE PATH "Where to look for additional OpenCV modules")

# ----------------------------------------------------------------------------
#  Autodetect if we are in a GIT repository
# ----------------------------------------------------------------------------
find_host_package(Git QUIET)

if(NOT DEFINED OPENCV_VCSVERSION AND GIT_FOUND)
  execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --match "[0-9].[0-9].[0-9]*"
    WORKING_DIRECTORY "${OpenCV_SOURCE_DIR}"
    OUTPUT_VARIABLE OPENCV_VCSVERSION
    RESULT_VARIABLE GIT_RESULT
    ERROR_QUIET
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
  if(NOT GIT_RESULT EQUAL 0)
    set(OPENCV_VCSVERSION "unknown")
  endif()
elseif(NOT DEFINED OPENCV_VCSVERSION)
  # We don't have git:
  set(OPENCV_VCSVERSION "unknown")
endif()


# ----------------------------------------------------------------------------
# OpenCV compiler and linker options
# ----------------------------------------------------------------------------
# In case of Makefiles if the user does not setup CMAKE_BUILD_TYPE, assume it's Release:
if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja" AND "${CMAKE_BUILD_TYPE}" STREQUAL "")
  set(CMAKE_BUILD_TYPE Release)
endif()

# --- Python Support ---
include(cmake/OpenCVDetectPython.cmake)

include(cmake/OpenCVCompilerOptions.cmake)


# ----------------------------------------------------------------------------
# Use statically or dynamically linked CRT?
# Default: dynamic
# ----------------------------------------------------------------------------
if(MSVC)
  include(cmake/OpenCVCRTLinkage.cmake)
endif(MSVC)

if(WIN32 AND NOT MINGW)
  add_definitions(-D_VARIADIC_MAX=10)
endif(WIN32 AND NOT MINGW)


# ----------------------------------------------------------------------------
#       CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
# ----------------------------------------------------------------------------
if(UNIX)
  if(NOT APPLE_FRAMEWORK)
    find_package(PkgConfig QUIET)
  endif()
  include(CheckFunctionExists)
  include(CheckIncludeFile)
  include(CheckSymbolExists)

  if(NOT APPLE)
    CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD)
    if(ANDROID)
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log)
    elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|NetBSD|DragonFly|OpenBSD")
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m pthread)
    elseif(EMSCRIPTEN)
      # no need to link to system libs with emscripten
    else()
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m pthread rt)
    endif()
  else()
    set(HAVE_PTHREAD 1)
  endif()

  CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
  CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
  if(HAVE_MALLOC_H)
    CHECK_SYMBOL_EXISTS(memalign malloc.h HAVE_MEMALIGN)
  endif()
endif()

include(cmake/OpenCVPCHSupport.cmake)
include(cmake/OpenCVModule.cmake)

# ----------------------------------------------------------------------------
#  Detect endianness of build platform
# ----------------------------------------------------------------------------

if(IOS)
  # test_big_endian needs try_compile, which doesn't work for iOS
  # http://public.kitware.com/Bug/view.php?id=12288
  set(WORDS_BIGENDIAN 0)
else()
  include(TestBigEndian)
  test_big_endian(WORDS_BIGENDIAN)
endif()

# ----------------------------------------------------------------------------
#  Detect 3rd-party libraries
# ----------------------------------------------------------------------------

if(ANDROID AND WITH_CPUFEATURES)
  add_subdirectory(3rdparty/cpufeatures)
  set(HAVE_CPUFEATURES 1)
endif()

include(cmake/OpenCVFindLibsGrfmt.cmake)
include(cmake/OpenCVFindLibsGUI.cmake)
include(cmake/OpenCVFindLibsVideo.cmake)
include(cmake/OpenCVFindLibsPerf.cmake)
include(cmake/OpenCVFindLAPACK.cmake)

# ----------------------------------------------------------------------------
#  Detect other 3rd-party libraries/tools
# ----------------------------------------------------------------------------

# --- Doxygen for documentation ---
if(BUILD_DOCS)
  find_package(Doxygen)
else()
  unset(DOXYGEN_FOUND CACHE)
endif()

# --- Java Support ---
include(cmake/OpenCVDetectApacheAnt.cmake)
if(ANDROID)
  include(cmake/OpenCVDetectAndroidSDK.cmake)

  if(NOT ANDROID_TOOLS_Pkg_Revision GREATER 13)
    message(WARNING "OpenCV requires Android SDK tools revision 14 or newer. Otherwise tests and samples will no be compiled.")
  endif()
else()
  find_package(JNI)
endif()

if(ANDROID AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND (ANT_VERSION VERSION_GREATER 1.7) AND (ANDROID_TOOLS_Pkg_Revision GREATER 13))
  SET(CAN_BUILD_ANDROID_PROJECTS TRUE)
else()
  SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
endif()

# --- OpenCL ---
if(WITH_OPENCL)
  include(cmake/OpenCVDetectOpenCL.cmake)
endif()

# --- Halide ---
if(WITH_HALIDE)
  include(cmake/OpenCVDetectHalide.cmake)
endif()

# --- DirectX ---
if(WITH_DIRECTX)
  include(cmake/OpenCVDetectDirectX.cmake)
endif()

# --- Matlab/Octave ---
if(WITH_MATLAB)
  include(cmake/OpenCVFindMatlab.cmake)
endif()

include(cmake/OpenCVDetectVTK.cmake)

if(WITH_OPENVX)
  include(cmake/FindOpenVX.cmake)
endif()

# ----------------------------------------------------------------------------
# OpenCV HAL
# ----------------------------------------------------------------------------
set(_hal_includes "")
macro(ocv_hal_register HAL_LIBRARIES_VAR HAL_HEADERS_VAR HAL_INCLUDE_DIRS_VAR)
  # 1. libraries
  foreach (l ${${HAL_LIBRARIES_VAR}})
    if(NOT TARGET ${l})
      get_filename_component(l "${l}" ABSOLUTE)
    endif()
    list(APPEND OPENCV_HAL_LINKER_LIBS ${l})
  endforeach()
  # 2. headers
  foreach (h ${${HAL_HEADERS_VAR}})
    set(_hal_includes "${_hal_includes}\n#include \"${h}\"")
  endforeach()
  # 3. include paths
  ocv_include_directories(${${HAL_INCLUDE_DIRS_VAR}})
endmacro()

if(NOT DEFINED OpenCV_HAL)
  set(OpenCV_HAL "OpenCV_HAL")
endif()

if(HAVE_OPENVX)
  if(NOT ";${OpenCV_HAL};" MATCHES ";openvx;")
    set(OpenCV_HAL "openvx;${OpenCV_HAL}")
  endif()
endif()

if(WITH_CAROTENE)
  ocv_debug_message(STATUS "Enable carotene acceleration")
  if(NOT ";${OpenCV_HAL};" MATCHES ";carotene;")
    set(OpenCV_HAL "carotene;${OpenCV_HAL}")
  endif()
endif()

foreach(hal ${OpenCV_HAL})
  if(hal STREQUAL "carotene")
    add_subdirectory(3rdparty/carotene/hal)
    ocv_hal_register(CAROTENE_HAL_LIBRARIES CAROTENE_HAL_HEADERS CAROTENE_HAL_INCLUDE_DIRS)
    list(APPEND OpenCV_USED_HAL "carotene (ver ${CAROTENE_HAL_VERSION})")
  elseif(hal STREQUAL "openvx")
    add_subdirectory(3rdparty/openvx)
    ocv_hal_register(OPENVX_HAL_LIBRARIES OPENVX_HAL_HEADERS OPENVX_HAL_INCLUDE_DIRS)
    list(APPEND OpenCV_USED_HAL "openvx (ver ${OPENVX_HAL_VERSION})")
  else()
    ocv_debug_message(STATUS "OpenCV HAL: ${hal} ...")
    ocv_clear_vars(OpenCV_HAL_LIBRARIES OpenCV_HAL_HEADERS OpenCV_HAL_INCLUDE_DIRS)
    find_package(${hal} NO_MODULE QUIET)
    if(${hal}_FOUND)
      ocv_hal_register(OpenCV_HAL_LIBRARIES OpenCV_HAL_HEADERS OpenCV_HAL_INCLUDE_DIRS)
      list(APPEND OpenCV_USED_HAL "${hal} (ver ${${hal}_VERSION})")
    endif()
  endif()
endforeach()
configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/custom_hal.hpp.in" "${CMAKE_BINARY_DIR}/custom_hal.hpp" @ONLY)
unset(_hal_includes)


# ----------------------------------------------------------------------------
# Add CUDA libraries (needed for apps/tools, samples)
# ----------------------------------------------------------------------------
if(HAVE_CUDA)
  set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY})
  if(HAVE_CUBLAS)
    set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CUDA_cublas_LIBRARY})
  endif()
  if(HAVE_CUFFT)
    set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CUDA_cufft_LIBRARY})
  endif()
  foreach(p ${CUDA_LIBS_PATH})
    if(MSVC AND CMAKE_GENERATOR MATCHES "Ninja|JOM")
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CMAKE_LIBRARY_PATH_FLAG}"${p}")
    else()
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CMAKE_LIBRARY_PATH_FLAG}${p})
    endif()
  endforeach()
endif()


# ----------------------------------------------------------------------------
# Code trace support
# ----------------------------------------------------------------------------
if(CV_TRACE)
  include(cmake/OpenCVDetectTrace.cmake)
endif()


# ----------------------------------------------------------------------------
# Solution folders:
# ----------------------------------------------------------------------------
if(ENABLE_SOLUTION_FOLDERS)
  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
  set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "CMakeTargets")
endif()

# Extra OpenCV targets: uninstall, package_source, perf, etc.
include(cmake/OpenCVExtraTargets.cmake)


# ----------------------------------------------------------------------------
# Process subdirectories
# ----------------------------------------------------------------------------

# opencv.hpp and legacy headers
add_subdirectory(include)

# OpenCV modules
add_subdirectory(modules)

# Generate targets for documentation
add_subdirectory(doc)

# various data that is used by cv libraries and/or demo applications.
add_subdirectory(data)

# extra applications
if(BUILD_opencv_apps)
  add_subdirectory(apps)
endif()

# examples
if(BUILD_EXAMPLES OR BUILD_ANDROID_EXAMPLES OR INSTALL_PYTHON_EXAMPLES)
  add_subdirectory(samples)
endif()

if(ANDROID)
  add_subdirectory(platforms/android/service)
endif()

# ----------------------------------------------------------------------------
# Finalization: generate configuration-based files
# ----------------------------------------------------------------------------

# Generate platform-dependent and configuration-dependent headers
include(cmake/OpenCVGenHeaders.cmake)

# Generate opencv.pc for pkg-config command
if(NOT OPENCV_SKIP_PKGCONFIG_GENERATION)
  include(cmake/OpenCVGenPkgconfig.cmake)
endif()

# Generate OpenCV.mk for ndk-build (Android build tool)
include(cmake/OpenCVGenAndroidMK.cmake)

# Generate OpenCVConfig.cmake and OpenCVConfig-version.cmake for cmake projects
include(cmake/OpenCVGenConfig.cmake)

# Generate Info.plist for the IOS framework
if(APPLE_FRAMEWORK)
  include(cmake/OpenCVGenInfoPlist.cmake)
endif()

# Generate ABI descriptor
include(cmake/OpenCVGenABI.cmake)

# Generate environment setup file
if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH)
  if(ANDROID)
    get_filename_component(TEST_PATH ${OPENCV_TEST_INSTALL_PATH} DIRECTORY)
    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_run_all_tests_android.sh.in"
                   "${CMAKE_BINARY_DIR}/unix-install/opencv_run_all_tests.sh" @ONLY)
    install(PROGRAMS "${CMAKE_BINARY_DIR}/unix-install/opencv_run_all_tests.sh"
            DESTINATION ./ COMPONENT tests)
  elseif(WIN32)
    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_run_all_tests_windows.cmd.in"
                   "${CMAKE_BINARY_DIR}/win-install/opencv_run_all_tests.cmd" @ONLY)
    install(PROGRAMS "${CMAKE_BINARY_DIR}/win-install/opencv_run_all_tests.cmd"
            DESTINATION ${OPENCV_TEST_INSTALL_PATH} COMPONENT tests)
  elseif(UNIX)
    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_run_all_tests_unix.sh.in"
                   "${CMAKE_BINARY_DIR}/unix-install/opencv_run_all_tests.sh" @ONLY)
    install(PROGRAMS "${CMAKE_BINARY_DIR}/unix-install/opencv_run_all_tests.sh"
            DESTINATION ${OPENCV_TEST_INSTALL_PATH} COMPONENT tests)
  endif()
endif()

if(NOT OPENCV_README_FILE)
  if(ANDROID)
    set(OPENCV_README_FILE ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/README.android)
  endif()
endif()

if(NOT OPENCV_LICENSE_FILE)
  set(OPENCV_LICENSE_FILE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE)
endif()

# for UNIX it does not make sense as LICENSE and readme will be part of the package automatically
if(ANDROID OR NOT UNIX)
  install(FILES ${OPENCV_LICENSE_FILE}
        PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
        DESTINATION ./ COMPONENT libs)
  if(OPENCV_README_FILE)
    install(FILES ${OPENCV_README_FILE}
            PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
            DESTINATION ./ COMPONENT libs)
  endif()
endif()

# ----------------------------------------------------------------------------
# Summary:
# ----------------------------------------------------------------------------
status("")
status("General configuration for OpenCV ${OPENCV_VERSION} =====================================")
if(OPENCV_VCSVERSION)
  status("  Version control:" ${OPENCV_VCSVERSION})
endif()
if(OPENCV_EXTRA_MODULES_PATH AND NOT BUILD_INFO_SKIP_EXTRA_MODULES)
  set(__dump_extra_header OFF)
  foreach(p ${OPENCV_EXTRA_MODULES_PATH})
    if(EXISTS ${p})
      if(NOT __dump_extra_header)
        set(__dump_extra_header ON)
        status("")
        status("  Extra modules:")
      else()
        status("")
      endif()
      set(EXTRA_MODULES_VCSVERSION "unknown")
      if(GIT_FOUND)
        execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --match "[0-9].[0-9].[0-9]*"
          WORKING_DIRECTORY "${p}"
          OUTPUT_VARIABLE EXTRA_MODULES_VCSVERSION
          RESULT_VARIABLE GIT_RESULT
          ERROR_QUIET
          OUTPUT_STRIP_TRAILING_WHITESPACE
        )
        if(NOT GIT_RESULT EQUAL 0)
          set(EXTRA_MODULES_VCSVERSION "unknown")
        endif()
      endif()
      status("    Location (extra):" ${p})
      status("    Version control (extra):" ${EXTRA_MODULES_VCSVERSION})
    endif()
  endforeach()
  unset(__dump_extra_header)
endif()

# ========================== build platform ==========================
status("")
status("  Platform:")
if(NOT CMAKE_VERSION VERSION_LESS 2.8.11 AND NOT BUILD_INFO_SKIP_TIMESTAMP)
  string(TIMESTAMP TIMESTAMP "" UTC)
  if(TIMESTAMP)
    status("    Timestamp:"    ${TIMESTAMP})
  endif()
endif()
status("    Host:"             ${CMAKE_HOST_SYSTEM_NAME} ${CMAKE_HOST_SYSTEM_VERSION} ${CMAKE_HOST_SYSTEM_PROCESSOR})
if(CMAKE_CROSSCOMPILING)
  status("    Target:"         ${CMAKE_SYSTEM_NAME} ${CMAKE_SYSTEM_VERSION} ${CMAKE_SYSTEM_PROCESSOR})
endif()
status("    CMake:"            ${CMAKE_VERSION})
status("    CMake generator:"  ${CMAKE_GENERATOR})
status("    CMake build tool:" ${CMAKE_BUILD_TOOL})
if(MSVC)
  status("    MSVC:"           ${MSVC_VERSION})
endif()
if(CMAKE_GENERATOR MATCHES Xcode)
  status("    Xcode:"          ${XCODE_VERSION})
endif()
if(NOT CMAKE_GENERATOR MATCHES "Xcode|Visual Studio")
  status("    Configuration:"  ${CMAKE_BUILD_TYPE})
endif()


# ========================= CPU code generation mode =========================
status("")
status("  CPU/HW features:")
status("    Baseline:"  "${CPU_BASELINE_FINAL}")
if(NOT CPU_BASELINE STREQUAL CPU_BASELINE_FINAL)
  status("      requested:"  "${CPU_BASELINE}")
endif()
if(CPU_BASELINE_REQUIRE)
  status("      required:"  "${CPU_BASELINE_REQUIRE}")
endif()
if(CPU_BASELINE_DISABLE)
  status("      disabled:"  "${CPU_BASELINE_DISABLE}")
endif()
if(CPU_DISPATCH_FINAL OR CPU_DISPATCH)
  status("    Dispatched code generation:"  "${CPU_DISPATCH_FINAL}")
  if(NOT CPU_DISPATCH STREQUAL CPU_DISPATCH_FINAL)
    status("      requested:"  "${CPU_DISPATCH}")
  endif()
  if(CPU_DISPATCH_REQUIRE)
    status("      required:"  "${CPU_DISPATCH_REQUIRE}")
  endif()
  foreach(OPT ${CPU_DISPATCH_FINAL})
    status("      ${OPT} (${CPU_${OPT}_USAGE_COUNT} files):"  "+ ${CPU_DISPATCH_${OPT}_INCLUDED}")
  endforeach()
endif()

# ========================== C/C++ options ==========================
if(CMAKE_CXX_COMPILER_VERSION)
  set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_CXX_COMPILER_VERSION})")
else()
  set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
endif()
string(STRIP "${OPENCV_COMPILER_STR}" OPENCV_COMPILER_STR)

status("")
status("  C/C++:")
status("    Built as dynamic libs?:" BUILD_SHARED_LIBS THEN YES ELSE NO)
if(ENABLE_CXX11 OR HAVE_CXX11)
status("    C++11:" HAVE_CXX11 THEN YES ELSE NO)
endif()
status("    C++ Compiler:"           ${OPENCV_COMPILER_STR})
status("    C++ flags (Release):"    ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE})
status("    C++ flags (Debug):"      ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG})
status("    C Compiler:"             ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
status("    C flags (Release):"      ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_RELEASE})
status("    C flags (Debug):"        ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_DEBUG})
if(WIN32)
  status("    Linker flags (Release):" ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_RELEASE})
  status("    Linker flags (Debug):"   ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_DEBUG})
else()
  status("    Linker flags (Release):" ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_RELEASE})
  status("    Linker flags (Debug):"   ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_DEBUG})
endif()
status("    ccache:"                  CMAKE_COMPILER_IS_CCACHE THEN YES ELSE NO)
status("    Precompiled headers:"     PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS THEN YES ELSE NO)

# ========================== Dependencies ============================
ocv_get_all_libs(deps_modules deps_extra deps_3rdparty)
status("    Extra dependencies:" ${deps_extra})
status("    3rdparty dependencies:" ${deps_3rdparty})

# ========================== OpenCV modules ==========================
status("")
status("  OpenCV modules:")
string(REPLACE "opencv_" "" OPENCV_MODULES_BUILD_ST          "${OPENCV_MODULES_BUILD}")
string(REPLACE "opencv_" "" OPENCV_MODULES_DISABLED_USER_ST  "${OPENCV_MODULES_DISABLED_USER}")
string(REPLACE "opencv_" "" OPENCV_MODULES_DISABLED_FORCE_ST "${OPENCV_MODULES_DISABLED_FORCE}")
set(OPENCV_MODULES_DISABLED_AUTO_ST "")
foreach(m ${OPENCV_MODULES_DISABLED_AUTO})
  set(__mdeps "")
  foreach(d ${OPENCV_MODULE_${m}_DEPS})
    if(d MATCHES "^opencv_" AND NOT HAVE_${d})
      list(APPEND __mdeps ${d})
    endif()
  endforeach()
  if(__mdeps)
    list(APPEND OPENCV_MODULES_DISABLED_AUTO_ST "${m}(deps: ${__mdeps})")
  else()
    list(APPEND OPENCV_MODULES_DISABLED_AUTO_ST "${m}")
  endif()
endforeach()
string(REPLACE "opencv_" "" OPENCV_MODULES_DISABLED_AUTO_ST  "${OPENCV_MODULES_DISABLED_AUTO_ST}")

status("    To be built:"            OPENCV_MODULES_BUILD          THEN ${OPENCV_MODULES_BUILD_ST}          ELSE "-")
status("    Disabled:"               OPENCV_MODULES_DISABLED_USER  THEN ${OPENCV_MODULES_DISABLED_USER_ST}  ELSE "-")
status("    Disabled by dependency:" OPENCV_MODULES_DISABLED_AUTO  THEN ${OPENCV_MODULES_DISABLED_AUTO_ST}  ELSE "-")
status("    Unavailable:"            OPENCV_MODULES_DISABLED_FORCE THEN ${OPENCV_MODULES_DISABLED_FORCE_ST} ELSE "-")

if(OPENCV_ENABLE_NONFREE)
  status("")
  status("  Non-free algorithms are enabled")
endif()

# ========================== Android details ==========================
if(ANDROID)
  status("")
  status("  Android: ")
  status("    Android ABI:" ${ANDROID_ABI})
  status("    STL type:" ${ANDROID_STL})
  status("    Native API level:" android-${ANDROID_NATIVE_API_LEVEL})
  android_get_compatible_target(android_sdk_target_status ${ANDROID_NATIVE_API_LEVEL} ${ANDROID_SDK_TARGET} 11)
  status("    SDK target:" "${android_sdk_target_status}")
  if(BUILD_WITH_ANDROID_NDK)
    status("    Android NDK:" "${ANDROID_NDK} (toolchain: ${ANDROID_TOOLCHAIN_NAME})")
  elseif(BUILD_WITH_STANDALONE_TOOLCHAIN)
    status("    Android toolchain:" "${ANDROID_STANDALONE_TOOLCHAIN}")
  endif()
  status("    android tool:"  ANDROID_EXECUTABLE  THEN "${ANDROID_EXECUTABLE} (${ANDROID_TOOLS_Pkg_Desc})" ELSE NO)
  status("    Google Play manager:" BUILD_ANDROID_SERVICE                                         THEN YES ELSE NO)
  status("    Android examples:"    BUILD_ANDROID_EXAMPLES AND CAN_BUILD_ANDROID_PROJECTS         THEN YES ELSE NO)
endif()

# ================== Windows RT features ==================
if(WIN32)
status("")
status("  Windows RT support:" WINRT THEN YES ELSE NO)
  if(WINRT)
    status("    Building for Microsoft platform: " ${CMAKE_SYSTEM_NAME})
    status("    Building for architectures: " ${CMAKE_VS_EFFECTIVE_PLATFORMS})
    status("    Building for version: " ${CMAKE_SYSTEM_VERSION})
    if (DEFINED ENABLE_WINRT_MODE_NATIVE)
      status("    Building for C++ without CX extensions")
    endif()
  endif()
endif(WIN32)

# ========================== GUI ==========================
status("")
status("  GUI: ")

if(HAVE_QT5)
  status("    QT 5.x:"            HAVE_QT        THEN "YES (ver ${Qt5Core_VERSION_STRING})" ELSE NO)
  status("    QT OpenGL support:" HAVE_QT_OPENGL THEN "YES (${Qt5OpenGL_LIBRARIES} ${Qt5OpenGL_VERSION_STRING})" ELSE NO)
elseif(HAVE_QT)
  status("    QT 4.x:"            HAVE_QT        THEN "YES (ver ${QT_VERSION_MAJOR}.${QT_VERSION_MINOR}.${QT_VERSION_PATCH} ${QT_EDITION})" ELSE NO)
  status("    QT OpenGL support:" HAVE_QT_OPENGL THEN "YES (${QT_QTOPENGL_LIBRARY})" ELSE NO)
else()
  if(DEFINED WITH_QT)
    status("    QT:" NO)
  endif()
  if(DEFINED WITH_WIN32UI)
    status("    Win32 UI:" HAVE_WIN32UI THEN YES ELSE NO)
  else()
    if(APPLE)
      if(WITH_CARBON)
        status("    Carbon:" YES)
      else()
        status("    Cocoa:"  YES)
      endif()
    else()
      if(HAVE_GTK3)
        status("    GTK+ 3.x:" HAVE_GTK THEN "YES (ver ${ALIASOF_gtk+-3.0_VERSION})" ELSE NO)
      elseif(HAVE_GTK)
        status("    GTK+ 2.x:" HAVE_GTK THEN "YES (ver ${ALIASOF_gtk+-2.0_VERSION})" ELSE NO)
      else()
        status("    GTK+:" NO)
      endif()
      status("    GThread :" HAVE_GTHREAD THEN "YES (ver ${ALIASOF_gthread-2.0_VERSION})" ELSE NO)
      status("    GtkGlExt:" HAVE_GTKGLEXT THEN "YES (ver ${ALIASOF_gtkglext-1.0_VERSION})" ELSE NO)
    endif()
  endif()
endif()

status("    OpenGL support:" HAVE_OPENGL THEN "YES (${OPENGL_LIBRARIES})" ELSE NO)
status("    VTK support:" HAVE_VTK THEN "YES (ver ${VTK_VERSION})" ELSE NO)

# ========================== MEDIA IO ==========================
status("")
status("  Media I/O: ")
status("    ZLib:"         BUILD_ZLIB    THEN "build (ver ${ZLIB_VERSION_STRING})"               ELSE "${ZLIB_LIBRARIES} (ver ${ZLIB_VERSION_STRING})")

if(WITH_JPEG)
  status("    JPEG:"       JPEG_FOUND    THEN "${JPEG_LIBRARY} (ver ${JPEG_LIB_VERSION})"        ELSE "build (ver ${JPEG_LIB_VERSION})")
else()
  status("    JPEG:"       "NO")
endif()

if(WITH_WEBP)
  status("    WEBP:"       WEBP_FOUND    THEN "${WEBP_LIBRARY} (ver ${WEBP_VERSION})"        ELSE "build (ver ${WEBP_VERSION})")
else()
  status("    WEBP:"       "NO")
endif()

if(WITH_PNG)
  status("    PNG:"        PNG_FOUND     THEN "${PNG_LIBRARY} (ver ${PNG_VERSION})"              ELSE "build (ver ${PNG_VERSION})")
else()
  status("    PNG:"        "NO")
endif()

if(WITH_TIFF)
  if(TIFF_VERSION_STRING AND TIFF_FOUND)
    status("    TIFF:"     "${TIFF_LIBRARY} (ver ${TIFF_VERSION} - ${TIFF_VERSION_STRING})")
  else()
    status("    TIFF:"     TIFF_FOUND    THEN "${TIFF_LIBRARY} (ver ${TIFF_VERSION})"            ELSE "build (ver ${TIFF_VERSION} - ${TIFF_VERSION_STRING})")
  endif()
else()
  status("    TIFF:"       "NO")
endif()
if(WITH_JASPER)
  status("    JPEG 2000:"  JASPER_FOUND  THEN "${JASPER_LIBRARY} (ver ${JASPER_VERSION_STRING})" ELSE "build (ver ${JASPER_VERSION_STRING})")
else()
  status("    JPEG 2000:"  "NO")
endif()
if(WITH_OPENEXR)
  status("    OpenEXR:"  OPENEXR_FOUND  THEN "${OPENEXR_LIBRARIES} (ver ${OPENEXR_VERSION})" ELSE "build (ver ${OPENEXR_VERSION})")
else()
  status("    OpenEXR:"  "NO")
endif()

if( WITH_GDAL )
  status("    GDAL:"   GDAL_FOUND THEN "${GDAL_LIBRARY}" ELSE "NO")
else()
  status("    GDAL:"     "NO")
endif()

if(WITH_GDCM)
  status("    GDCM:"   GDCM_FOUND THEN "YES (ver ${GDCM_VERSION})" ELSE "NO")
else()
  status("    GDCM:"     "NO")
endif()

# ========================== VIDEO IO ==========================
status("")
status("  Video I/O:")

if (DEFINED WITH_VFW)
  status("    Video for Windows:" HAVE_VFW         THEN YES                                        ELSE NO)
endif(DEFINED WITH_VFW)

if(DEFINED WITH_1394)
  status("    DC1394 1.x:"     HAVE_DC1394         THEN "YES (ver ${ALIASOF_libdc1394_VERSION})"   ELSE NO)
  status("    DC1394 2.x:"     HAVE_DC1394_2       THEN "YES (ver ${ALIASOF_libdc1394-2_VERSION})" ELSE NO)
endif(DEFINED WITH_1394)

if(DEFINED WITH_FFMPEG OR HAVE_FFMPEG)
  if(WIN32)
    status("    FFMPEG:"       HAVE_FFMPEG         THEN "YES (prebuilt binaries)"                  ELSE NO)
  else()
    status("    FFMPEG:"       HAVE_FFMPEG         THEN YES ELSE NO)
  endif()
  status("      avcodec:"      FFMPEG_libavcodec_FOUND    THEN "YES (ver ${FFMPEG_libavcodec_VERSION})"    ELSE NO)
  status("      avformat:"     FFMPEG_libavformat_FOUND   THEN "YES (ver ${FFMPEG_libavformat_VERSION})"   ELSE NO)
  status("      avutil:"       FFMPEG_libavutil_FOUND     THEN "YES (ver ${FFMPEG_libavutil_VERSION})"     ELSE NO)
  status("      swscale:"      FFMPEG_libswscale_FOUND    THEN "YES (ver ${FFMPEG_libswscale_VERSION})"    ELSE NO)
  status("      avresample:"   FFMPEG_libavresample_FOUND THEN "YES (ver ${FFMPEG_libavresample_VERSION})" ELSE NO)
endif()

if(DEFINED WITH_GSTREAMER)
  status("    GStreamer:"      HAVE_GSTREAMER      THEN ""                                         ELSE NO)
  if(HAVE_GSTREAMER)
    status("      base:"       "YES (ver ${GSTREAMER_BASE_VERSION})")
    status("      video:"      "YES (ver ${GSTREAMER_VIDEO_VERSION})")
    status("      app:"        "YES (ver ${GSTREAMER_APP_VERSION})")
    status("      riff:"       "YES (ver ${GSTREAMER_RIFF_VERSION})")
    status("      pbutils:"    "YES (ver ${GSTREAMER_PBUTILS_VERSION})")
  endif(HAVE_GSTREAMER)
endif(DEFINED WITH_GSTREAMER)

if(DEFINED WITH_OPENNI)
  status("    OpenNI:"         HAVE_OPENNI         THEN "YES (ver ${OPENNI_VERSION_STRING}, build ${OPENNI_VERSION_BUILD})"
                                                                                                   ELSE NO)
  status("    OpenNI PrimeSensor Modules:" HAVE_OPENNI_PRIME_SENSOR_MODULE
                                                   THEN "YES (${OPENNI_PRIME_SENSOR_MODULE})"      ELSE NO)
endif(DEFINED WITH_OPENNI)

if(DEFINED WITH_OPENNI2)
  status("    OpenNI2:"        HAVE_OPENNI2    THEN "YES (ver ${OPENNI2_VERSION_STRING}, build ${OPENNI2_VERSION_BUILD})"
                                                                                                   ELSE NO)
endif(DEFINED WITH_OPENNI2)

if(DEFINED WITH_PVAPI)
  status("    PvAPI:"          HAVE_PVAPI          THEN YES                                        ELSE NO)
endif(DEFINED WITH_PVAPI)

if(DEFINED WITH_GIGEAPI)
  status("    GigEVisionSDK:"  HAVE_GIGE_API       THEN YES                                        ELSE NO)
endif(DEFINED WITH_GIGEAPI)

if(DEFINED WITH_ARAVIS)
  status("    Aravis SDK:"     HAVE_ARAVIS_API     THEN "YES (${ARAVIS_LIBRARIES})"                ELSE NO)
endif(DEFINED WITH_ARAVIS)

if(DEFINED APPLE)
  status("    AVFoundation:"   HAVE_AVFOUNDATION   THEN YES                                        ELSE NO)
  if(WITH_QUICKTIME OR HAVE_QUICKTIME)
  status("    QuickTime:"      HAVE_QUICKTIME      THEN YES                                        ELSE NO)
  endif()
  if(WITH_QTKIT OR HAVE_QTKIT)
  status("    QTKit:"          HAVE_QTKIT          THEN "YES (deprecated)"                         ELSE NO)
  endif()
endif(DEFINED APPLE)

if(DEFINED WITH_UNICAP)
  status("    UniCap:"         HAVE_UNICAP         THEN "YES (ver ${ALIASOF_libunicap_VERSION})"   ELSE NO)
  status("    UniCap ucil:"    HAVE_UNICAP_UCIL    THEN "YES (ver ${ALIASOF_libucil_VERSION})"     ELSE NO)
endif(DEFINED WITH_UNICAP)

if(DEFINED WITH_V4L)
  if(HAVE_CAMV4L)
    set(HAVE_CAMV4L_STR "YES")
  else()
    set(HAVE_CAMV4L_STR "NO")
  endif()
  if(HAVE_CAMV4L2)
    set(HAVE_CAMV4L2_STR "YES")
  elseif(HAVE_VIDEOIO)
    set(HAVE_CAMV4L2_STR "YES(videoio)")
  else()
    set(HAVE_CAMV4L2_STR "NO")
  endif()
  status("    V4L/V4L2:"       HAVE_LIBV4L
             THEN "Using libv4l1 (ver ${ALIASOF_libv4l1_VERSION}) / libv4l2 (ver ${ALIASOF_libv4l2_VERSION})"
             ELSE "${HAVE_CAMV4L_STR}/${HAVE_CAMV4L2_STR}")
endif(DEFINED WITH_V4L)

if(DEFINED WITH_DSHOW)
  status("    DirectShow:"     HAVE_DSHOW     THEN YES                                        ELSE NO)
endif(DEFINED WITH_DSHOW)

if(DEFINED WITH_MSMF)
  status("    Media Foundation:" HAVE_MSMF    THEN YES                                        ELSE NO)
endif(DEFINED WITH_MSMF)

if(DEFINED WITH_XIMEA)
  status("    XIMEA:"          HAVE_XIMEA          THEN YES                                        ELSE NO)
endif(DEFINED WITH_XIMEA)

if(DEFINED WITH_XINE)
  status("    Xine:"           HAVE_XINE           THEN "YES (ver ${ALIASOF_libxine_VERSION})"     ELSE NO)
endif(DEFINED WITH_XINE)

if(DEFINED WITH_INTELPERC)
  status("    Intel PerC:"     HAVE_INTELPERC      THEN "YES"                                 ELSE NO)
endif(DEFINED WITH_INTELPERC)

if(DEFINED WITH_MFX)
  status("    Intel Media SDK:" HAVE_MFX      THEN "YES (${MFX_LIBRARY})" ELSE NO)
endif()

if(DEFINED WITH_GPHOTO2)
  status("    gPhoto2:"        HAVE_GPHOTO2        THEN "YES"                                 ELSE NO)
endif(DEFINED WITH_GPHOTO2)


# Order is similar to CV_PARALLEL_FRAMEWORK in core/src/parallel.cpp
ocv_clear_vars(CV_PARALLEL_FRAMEWORK)
if(HAVE_TBB)
  set(CV_PARALLEL_FRAMEWORK "TBB (ver ${TBB_VERSION_MAJOR}.${TBB_VERSION_MINOR} interface ${TBB_INTERFACE_VERSION})")
elseif(HAVE_CSTRIPES)
  set(CV_PARALLEL_FRAMEWORK "C=")
elseif(HAVE_OPENMP)
  set(CV_PARALLEL_FRAMEWORK "OpenMP")
elseif(HAVE_GCD)
  set(CV_PARALLEL_FRAMEWORK "GCD")
elseif(WINRT OR HAVE_CONCURRENCY)
  set(CV_PARALLEL_FRAMEWORK "Concurrency")
elseif(HAVE_PTHREADS_PF)
  set(CV_PARALLEL_FRAMEWORK "pthreads")
else()
  set(CV_PARALLEL_FRAMEWORK "none")
endif()
status("")
status("  Parallel framework:" TRUE THEN "${CV_PARALLEL_FRAMEWORK}" ELSE NO)

if(CV_TRACE OR OPENCV_TRACE)
  set(__msg "")
  if(HAVE_ITT)
    set(__msg "with Intel ITT")
  endif()
  status("")
  status("  Trace: " OPENCV_TRACE THEN "YES (${__msg})" ELSE NO)
endif()

# ========================== Other third-party libraries ==========================
status("")
status("  Other third-party libraries:")

if(WITH_IPP AND HAVE_IPP)
  status("    Use Intel IPP:" "${IPP_VERSION_STR} [${IPP_VERSION_MAJOR}.${IPP_VERSION_MINOR}.${IPP_VERSION_BUILD}]")
  status("               at:" "${IPP_ROOT_DIR}")
  if(NOT HAVE_IPP_ICV)
    status("           linked:" BUILD_WITH_DYNAMIC_IPP THEN "dynamic" ELSE "static")
  endif()
  if(HAVE_IPP_IW)
    if(BUILD_IPP_IW)
      status("    Use Intel IPP IW:" "sources (${IW_VERSION_MAJOR}.${IW_VERSION_MINOR}.${IW_VERSION_UPDATE})")
    else()
      status("    Use Intel IPP IW:" "binaries (${IW_VERSION_MAJOR}.${IW_VERSION_MINOR}.${IW_VERSION_UPDATE})")
    endif()
    status("                  at:" "${IPP_IW_PATH}")
  else()
    status("    Use Intel IPP IW:"   NO)
  endif()
else()
  status("    Use Intel IPP:"      WITH_IPP AND NOT HAVE_IPP THEN "IPP not found or implicitly disabled" ELSE NO)
  status("    Use Intel IPP IW:"   WITH_IPP AND NOT HAVE_IPP AND HAVE_IPP_IW THEN "IPP not found or implicitly disabled" ELSE NO)
endif()

if(DEFINED WITH_VA)
status("    Use VA:"            HAVE_VA          THEN "YES" ELSE NO)
endif(DEFINED WITH_VA)

if(DEFINED WITH_VA_INTEL)
status("    Use Intel VA-API/OpenCL:"  HAVE_VA_INTEL       THEN "YES (MSDK: ${VA_INTEL_MSDK_ROOT}  OpenCL: ${VA_INTEL_IOCL_ROOT})" ELSE NO)
endif(DEFINED WITH_VA_INTEL)

if(DEFINED WITH_LAPACK)
status("    Use Lapack:"      HAVE_LAPACK     THEN "YES (${LAPACK_LIBRARIES})" ELSE NO)
endif(DEFINED WITH_LAPACK)

status("    Use Eigen:"      HAVE_EIGEN       THEN "YES (ver ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_MINOR_VERSION})" ELSE NO)
status("    Use Cuda:"       HAVE_CUDA        THEN "YES (ver ${CUDA_VERSION_STRING})" ELSE NO)
status("    Use OpenCL:"     HAVE_OPENCL      THEN YES ELSE NO)
if(WITH_HALIDE OR HAVE_HALIDE)
status("    Use Halide:"     HAVE_HALIDE      THEN "YES (${HALIDE_LIBRARIES} ${HALIDE_INCLUDE_DIRS})" ELSE NO)
endif()
status("    Use OpenVX:"     HAVE_OPENVX      THEN "YES (${OPENVX_LIBRARIES})" ELSE "NO")
status("    Use custom HAL:" OpenCV_USED_HAL  THEN "YES (${OpenCV_USED_HAL})" ELSE "NO")

if(HAVE_CUDA)
  status("")
  status("  NVIDIA CUDA")

  status("    Use CUFFT:"            HAVE_CUFFT   THEN YES ELSE NO)
  status("    Use CUBLAS:"           HAVE_CUBLAS  THEN YES ELSE NO)
  status("    USE NVCUVID:"          HAVE_NVCUVID THEN YES ELSE NO)
  status("    NVIDIA GPU arch:"      ${OPENCV_CUDA_ARCH_BIN})
  status("    NVIDIA PTX archs:"     ${OPENCV_CUDA_ARCH_PTX})
  status("    Use fast math:"        CUDA_FAST_MATH THEN YES ELSE NO)
endif()

if(HAVE_OPENCL)
  status("")
  if(HAVE_OPENCL_STATIC)
    set(__opencl_type "<Link with OpenCL library>")
  else()
    set(__opencl_type "<Dynamic loading of OpenCL library>")
  endif()
  status("  OpenCL:"                 ${__opencl_type})
  if(OPENCL_INCLUDE_DIRS)
    status("    Include path:"       ${OPENCL_INCLUDE_DIRS})
  endif()
  if(OPENCL_LIBRARIES)
    set(__libs "")
    foreach(l ${OPENCL_LIBRARIES})
      if(TARGET ${l})
        get_target_property(p ${l} IMPORTED_LOCATION)
        if(p MATCHES NOTFOUND)
          list(APPEND __libs "${l}")
        else()
          list(APPEND __libs "${p}")
        endif()
      else()
        list(APPEND __libs "${l}")
      endif()
    endforeach()
    status("    Link libraries:"          ${__libs})
  endif()
  status("    Use AMDFFT:"           HAVE_CLAMDFFT  THEN YES ELSE NO)
  status("    Use AMDBLAS:"          HAVE_CLAMDBLAS THEN YES ELSE NO)
endif()

# ========================== python ==========================
status("")
status("  Python 2:")
status("    Interpreter:"     PYTHON2INTERP_FOUND  THEN "${PYTHON2_EXECUTABLE} (ver ${PYTHON2_VERSION_STRING})"       ELSE NO)
if(BUILD_opencv_python2)
  if(PYTHON2LIBS_VERSION_STRING)
    status("    Libraries:"   HAVE_opencv_python2  THEN  "${PYTHON2_LIBRARIES} (ver ${PYTHON2LIBS_VERSION_STRING})"   ELSE NO)
  else()
    status("    Libraries:"   HAVE_opencv_python2  THEN  "${PYTHON2_LIBRARIES}"                                      ELSE NO)
  endif()
  status("    numpy:"         PYTHON2_NUMPY_INCLUDE_DIRS THEN "${PYTHON2_NUMPY_INCLUDE_DIRS} (ver ${PYTHON2_NUMPY_VERSION})" ELSE "NO (Python wrappers can not be generated)")
  status("    packages path:" PYTHON2_EXECUTABLE         THEN "${PYTHON2_PACKAGES_PATH}"                                    ELSE "-")
endif()

status("")
status("  Python 3:")
status("    Interpreter:"     PYTHON3INTERP_FOUND  THEN "${PYTHON3_EXECUTABLE} (ver ${PYTHON3_VERSION_STRING})"       ELSE NO)
if(BUILD_opencv_python3)
  if(PYTHON3LIBS_VERSION_STRING)
    status("    Libraries:"   HAVE_opencv_python3  THEN  "${PYTHON3_LIBRARIES} (ver ${PYTHON3LIBS_VERSION_STRING})"   ELSE NO)
  else()
    status("    Libraries:"   HAVE_opencv_python3  THEN  "${PYTHON3_LIBRARIES}"                                      ELSE NO)
  endif()
  status("    numpy:"         PYTHON3_NUMPY_INCLUDE_DIRS THEN "${PYTHON3_NUMPY_INCLUDE_DIRS} (ver ${PYTHON3_NUMPY_VERSION})" ELSE "NO (Python3 wrappers can not be generated)")
  status("    packages path:" PYTHON3_EXECUTABLE         THEN "${PYTHON3_PACKAGES_PATH}"                                    ELSE "-")
endif()

status("")
status("  Python (for build):"  PYTHON_DEFAULT_AVAILABLE THEN "${PYTHON_DEFAULT_EXECUTABLE}" ELSE NO)

# ========================== java ==========================
status("")
status("  Java:")
status("    ant:"           ANT_EXECUTABLE      THEN "${ANT_EXECUTABLE} (ver ${ANT_VERSION})"                    ELSE NO)
if(NOT ANDROID)
  status("    JNI:"         JNI_INCLUDE_DIRS    THEN "${JNI_INCLUDE_DIRS}"                                       ELSE NO)
endif()
status("    Java wrappers:" HAVE_opencv_java                                                            THEN YES ELSE NO)
status("    Java tests:"    BUILD_TESTS AND opencv_test_java_BINARY_DIR                                 THEN YES ELSE NO)

# ========================= matlab =========================
status("")
if(MATLAB_FOUND)
  status("  Matlab:")
  status("    mex:"         MATLAB_MEX_SCRIPT  THEN  "${MATLAB_MEX_SCRIPT}"   ELSE NO)
  status("    Compiler/generator:" MEX_WORKS   THEN  "Working"                ELSE "Not working (bindings will not be generated)")
else()
  status("  Matlab:"        WITH_MATLAB AND NOT MATLAB_FOUND THEN "Matlab not found or implicitly disabled" ELSE NO)
endif()

# ========================== documentation ==========================
if(BUILD_DOCS)
  status("")
  status("  Documentation:")
  status("    Doxygen:"             DOXYGEN_FOUND             THEN "${DOXYGEN_EXECUTABLE} (ver ${DOXYGEN_VERSION})" ELSE NO)
endif()

# ========================== samples and tests ==========================
status("")
status("  Tests and samples:")
status("    Tests:"             BUILD_TESTS AND HAVE_opencv_ts       THEN YES ELSE NO)
status("    Performance tests:" BUILD_PERF_TESTS AND HAVE_opencv_ts  THEN YES ELSE NO)
status("    C/C++ Examples:"    BUILD_EXAMPLES                       THEN YES ELSE NO)

# ========================== auxiliary ==========================
status("")
status("  Install path:" "${CMAKE_INSTALL_PREFIX}")
status("")
status("  cvconfig.h is in:" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}")
status("-----------------------------------------------------------------")
status("")

ocv_finalize_status()

# ----------------------------------------------------------------------------
# CPack stuff
# ----------------------------------------------------------------------------

include(cmake/OpenCVPackaging.cmake)

# This should be the last command
ocv_cmake_dump_vars("" TOFILE "CMakeVars.txt")
ocv_cmake_eval(DEBUG_POST ONCE)