CMakeLists.txt

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

include(cmake/OpenCVMinDepVersions.cmake)

if(CMAKE_GENERATOR MATCHES Xcode AND XCODE_VERSION VERSION_GREATER 4.3)
  cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)
else()
  cmake_minimum_required(VERSION "${MIN_VER_CMAKE}" FATAL_ERROR)
endif()

# Following block can broke build in case of cross-compilng
# but CMAKE_CROSSCOMPILING variable will be set only on project(OpenCV) command
# so we will try to detect crosscompiling by presense of CMAKE_TOOLCHAIN_FILE
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 ${CMAKE_BINARY_DIR} CACHE PATH "root for library output, set this to change where android libs are compiled to" )
  # any crosscompiling
  set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory")
endif(NOT CMAKE_TOOLCHAIN_FILE)


if(POLICY CMP0022)
  cmake_policy(SET CMP0022 OLD)
endif()

# must go before the project command
set(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()

project(OpenCV CXX C)

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

include(cmake/OpenCVUtils.cmake)

ocv_clear_vars(OpenCVModules_TARGETS)

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

# ----------------------------------------------------------------------------
# Detect compiler and target platform architecture
# ----------------------------------------------------------------------------
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
# ----------------------------------------------------------------------------

# Optional 3rd party components
# ===================================================
OCV_OPTION(WITH_1394           "Include IEEE1394 support"                    ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_AVFOUNDATION   "Use AVFoundation for Video I/O"              ON   IF IOS)
OCV_OPTION(WITH_CARBON         "Use Carbon for UI instead of Cocoa"          OFF  IF APPLE )
OCV_OPTION(WITH_VTK            "Include VTK library support (and build opencv_viz module eiher)"             ON  IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_CUDA           "Include NVidia Cuda Runtime support"                                         ON  IF (NOT IOS) )
OCV_OPTION(WITH_CUFFT          "Include NVidia Cuda Fast Fourier Transform (FFT) library support"            ON  IF (NOT IOS) )
OCV_OPTION(WITH_CUBLAS         "Include NVidia Cuda Basic Linear Algebra Subprograms (BLAS) library support" OFF IF (NOT IOS) )
OCV_OPTION(WITH_NVCUVID        "Include NVidia Video Decoding library support"                               OFF IF (NOT IOS AND NOT APPLE) )
OCV_OPTION(WITH_EIGEN          "Include Eigen2/Eigen3 support"               ON)
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))
OCV_OPTION(WITH_GSTREAMER      "Include Gstreamer support"                   ON   IF (UNIX AND NOT APPLE AND 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_IPP            "Include Intel IPP support"                   OFF  IF (MSVC OR X86 OR X86_64) )
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 IOS) )
OCV_OPTION(WITH_OPENEXR        "Include ILM support via OpenEXR"             ON   IF (NOT IOS) )
OCV_OPTION(WITH_OPENGL         "Include OpenGL support"                      OFF  IF (NOT ANDROID) )
OCV_OPTION(WITH_OPENNI         "Include OpenNI support"                      OFF  IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_PNG            "Include PNG support"                         ON)
OCV_OPTION(WITH_PVAPI          "Include Prosilica GigE support"              ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_GIGEAPI        "Include Smartek GigE support"                ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_QT             "Build with Qt Backend support"               OFF  IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_WIN32UI        "Build with Win32 UI Backend support"         ON   IF WIN32 )
OCV_OPTION(WITH_QUICKTIME      "Use QuickTime for Video I/O insted of QTKit" OFF  IF APPLE )
OCV_OPTION(WITH_TBB            "Include Intel TBB support"                   OFF  IF (NOT IOS) )
OCV_OPTION(WITH_OPENMP         "Include OpenMP support"                      OFF)
OCV_OPTION(WITH_CSTRIPES       "Include C= support"                          OFF  IF WIN32 )
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"        ON   IF (UNIX AND NOT ANDROID) )
OCV_OPTION(WITH_DSHOW          "Build HighGUI with DirectShow support"       ON   IF (WIN32 AND NOT ARM) )
OCV_OPTION(WITH_MSMF           "Build HighGUI with Media Foundation support" OFF  IF WIN32 )
OCV_OPTION(WITH_XIMEA          "Include XIMEA cameras support"               OFF  IF (NOT ANDROID AND NOT APPLE) )
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"              ON   IF (NOT IOS) )
OCV_OPTION(WITH_OPENCLAMDFFT   "Include AMD OpenCL FFT library support"      ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_OPENCLAMDBLAS  "Include AMD OpenCL BLAS library support"     ON   IF (NOT ANDROID AND NOT IOS) )
OCV_OPTION(WITH_DIRECTX        "Include DirectX support"                     ON   IF WIN32 )
OCV_OPTION(WITH_INTELPERC      "Include Intel Perceptual Computing support"  OFF  IF WIN32 )


# OpenCV build components
# ===================================================
OCV_OPTION(BUILD_SHARED_LIBS        "Build shared libraries (.dll/.so) instead of static ones (.lib/.a)" NOT (ANDROID OR IOS) )
OCV_OPTION(BUILD_opencv_apps        "Build utility applications (used for example to train classifiers)" (NOT ANDROID) IF (NOT IOS) )
OCV_OPTION(BUILD_ANDROID_EXAMPLES   "Build examples for Android platform"         ON  IF ANDROID )
OCV_OPTION(BUILD_DOCS               "Create build rules for OpenCV Documentation" ON )
OCV_OPTION(BUILD_EXAMPLES           "Build all examples"                          OFF )
OCV_OPTION(BUILD_PACKAGE            "Enables 'make package_source' command"       ON )
OCV_OPTION(BUILD_PERF_TESTS         "Build performance tests"                     ON  IF (NOT IOS) )
OCV_OPTION(BUILD_TESTS              "Build accuracy & regression tests"           ON  IF (NOT IOS) )
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 staticaly linked CRT for staticaly linked OpenCV" ON IF MSVC )
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 AND ANDROID_SOURCE_TREE )
OCV_OPTION(BUILD_ANDROID_PACKAGE    "Build platform-specific package for Google Play" OFF IF ANDROID )

# 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 )
OCV_OPTION(BUILD_TBB                "Download and build TBB from source" ANDROID )

# 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 IOS AND BUILD_SHARED_LIBS) )
OCV_OPTION(INSTALL_TESTS            "Install accuracy and performance test binaries and test data" OFF)

# OpenCV build options
# ===================================================
OCV_OPTION(ENABLE_PRECOMPILED_HEADERS "Use precompiled headers"                                  ON   IF (NOT IOS) )
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_SSE                 "Enable SSE instructions"                                  ON   IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE2                "Enable SSE2 instructions"                                 ON   IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE3                "Enable SSE3 instructions"                                 ON   IF ((CV_ICC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSSE3               "Enable SSSE3 instructions"                                OFF  IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE41               "Enable SSE4.1 instructions"                               OFF  IF ((CV_ICC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_SSE42               "Enable SSE4.2 instructions"                               OFF  IF (CMAKE_COMPILER_IS_GNUCXX AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_AVX                 "Enable AVX instructions"                                  OFF  IF ((MSVC OR CMAKE_COMPILER_IS_GNUCXX) AND (X86 OR X86_64)) )
OCV_OPTION(ENABLE_NEON                "Enable NEON instructions"                                 OFF  IF CMAKE_COMPILER_IS_GNUCXX AND ARM )
OCV_OPTION(ENABLE_VFPV3               "Enable VFPv3-D32 instructions"                            OFF  IF CMAKE_COMPILER_IS_GNUCXX AND ARM )
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(ENABLE_WINRT_MODE          "Build with Windows Runtime support"                       OFF  IF WIN32 )
OCV_OPTION(ENABLE_WINRT_MODE_NATIVE   "Build with Windows Runtime native C++ support"            OFF  IF WIN32 )


# ----------------------------------------------------------------------------
#  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)
  set(OPENCV_DOC_INSTALL_PATH doc)
elseif(INSTALL_TO_MANGLED_PATHS)
  set(OPENCV_DOC_INSTALL_PATH share/OpenCV-${OPENCV_VERSION}/doc)
else()
  set(OPENCV_DOC_INSTALL_PATH share/OpenCV/doc)
endif()

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

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

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

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

if(ANDROID)
  set(LIBRARY_OUTPUT_PATH         "${OpenCV_BINARY_DIR}/lib/${ANDROID_NDK_ABI_NAME}")
  set(3P_LIBRARY_OUTPUT_PATH      "${OpenCV_BINARY_DIR}/3rdparty/lib/${ANDROID_NDK_ABI_NAME}")
  set(OPENCV_LIB_INSTALL_PATH     sdk/native/libs/${ANDROID_NDK_ABI_NAME})
  set(OPENCV_3P_LIB_INSTALL_PATH  sdk/native/3rdparty/libs/${ANDROID_NDK_ABI_NAME})
  set(OPENCV_CONFIG_INSTALL_PATH  sdk/native/jni)
  set(OPENCV_INCLUDE_INSTALL_PATH sdk/native/jni/include)
  set(OPENCV_SAMPLES_SRC_INSTALL_PATH samples/native)
else()
  set(LIBRARY_OUTPUT_PATH         "${OpenCV_BINARY_DIR}/lib")
  set(3P_LIBRARY_OUTPUT_PATH      "${OpenCV_BINARY_DIR}/3rdparty/lib${LIB_SUFFIX}")
  if(WIN32)
    if(OpenCV_STATIC)
      set(OPENCV_LIB_INSTALL_PATH   "${OpenCV_INSTALL_BINARIES_PREFIX}staticlib${LIB_SUFFIX}")
    else()
      set(OPENCV_LIB_INSTALL_PATH   "${OpenCV_INSTALL_BINARIES_PREFIX}lib${LIB_SUFFIX}")
    endif()
    set(OPENCV_3P_LIB_INSTALL_PATH  "${OpenCV_INSTALL_BINARIES_PREFIX}staticlib${LIB_SUFFIX}")
    set(OPENCV_SAMPLES_SRC_INSTALL_PATH    samples/native)
  else()
    set(OPENCV_LIB_INSTALL_PATH     lib${LIB_SUFFIX})
    set(OPENCV_3P_LIB_INSTALL_PATH  share/OpenCV/3rdparty/${OPENCV_LIB_INSTALL_PATH})
    set(OPENCV_SAMPLES_SRC_INSTALL_PATH    share/OpenCV/samples)
  endif()
  set(OPENCV_INCLUDE_INSTALL_PATH "include")

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

set(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})
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()


# ----------------------------------------------------------------------------
#  Path for build/platform -specific headers
# ----------------------------------------------------------------------------
set(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(GIT_FOUND)
  execute_process(COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty --match "2.[0-9].[0-9]*"
    WORKING_DIRECTORY "${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()
else()
  # 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()

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)
  find_package(PkgConfig QUIET)
  include(CheckFunctionExists)
  include(CheckIncludeFile)

  if(NOT APPLE)
    CHECK_INCLUDE_FILE(pthread.h HAVE_LIBPTHREAD)
    if(ANDROID)
      set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m log)
    elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|NetBSD|DragonFly")
      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_LIBPTHREAD YES)
  endif()
endif()

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

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

if(CMAKE_SYSTEM_NAME STREQUAL 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
# ----------------------------------------------------------------------------

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


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

# --- LATEX for pdf documentation ---
if(BUILD_DOCS)
  include(cmake/OpenCVFindLATEX.cmake)
endif(BUILD_DOCS)

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

# --- 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()

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

# --- Matlab/Octave ---
include(cmake/OpenCVFindMatlab.cmake)

include(cmake/OpenCVDetectVTK.cmake)

# ----------------------------------------------------------------------------
# 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()
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()

if(BUILD_ANDROID_PACKAGE)
  add_subdirectory(platforms/android/package)
endif()

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

# ----------------------------------------------------------------------------
# Finalization: generate configuration-based files
# ----------------------------------------------------------------------------
ocv_track_build_dependencies()

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

# Generate opencv.pc for pkg-config command
include(cmake/OpenCVGenPkgconfig.cmake)

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

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

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

# Generate environment setup file
if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH AND UNIX)
  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 ${CMAKE_INSTALL_PREFIX} COMPONENT tests)
  else()
    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_testing.sh.in"
                   "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" @ONLY)
    install(FILES "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh"
            DESTINATION /etc/profile.d/ COMPONENT tests)
    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 ${CMAKE_INSTALL_PREFIX} COMPONENT libs)
  if(OPENCV_README_FILE)
    install(FILES ${OPENCV_README_FILE}
            PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
            DESTINATION ${CMAKE_INSTALL_PREFIX} COMPONENT libs)
  endif()
endif()

# ----------------------------------------------------------------------------
# Summary:
# ----------------------------------------------------------------------------
status("")
status("General configuration for OpenCV ${OPENCV_VERSION} =====================================")
if(OPENCV_VCSVERSION)
  status("  Version control:" ${OPENCV_VCSVERSION})
endif()

# ========================== build platform ==========================
status("")
status("  Platform:")
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()

# ========================== C/C++ options ==========================
if(CMAKE_CXX_COMPILER_VERSION)
  set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_CXX_COMPILER_VERSION})")
elseif(CMAKE_COMPILER_IS_CLANGCXX)
  set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_CLANG_REGEX_VERSION})")
elseif(CMAKE_COMPILER_IS_GNUCXX)
  set(OPENCV_COMPILER_STR "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} (ver ${CMAKE_GCC_REGEX_VERSION})")
else()
  set(OPENCV_COMPILER_STR "${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)
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("    Precompiled headers:"     PCHSupport_FOUND AND ENABLE_PRECOMPILED_HEADERS THEN YES ELSE NO)

# ========================== 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 "-")

# ========================== 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 package:" BUILD_ANDROID_PACKAGE                                         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:" HAVE_WINRT THEN YES ELSE NO)
    if (ENABLE_WINRT_MODE OR ENABLE_WINRT_MODE_NATIVE)
      status("    Windows SDK v8.0:" ${WINDOWS_SDK_PATH})
      status("    Visual Studio 2012:" ${VISUAL_STUDIO_PATH})
    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()
      status("    GTK+ 2.x:" HAVE_GTK      THEN "YES (ver ${ALIASOF_gtk+-2.0_VERSION})"     ELSE NO)
      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()

# ========================== 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(ANDROID)
  if(HAVE_opencv_androidcamera)
    status("    AndroidNativeCamera:" BUILD_ANDROID_CAMERA_WRAPPER
                                                   THEN "YES, build for Android${ANDROID_VERSION}" ELSE "YES, use prebuilt libraries")
  else()
    status("    AndroidNativeCamera:" "NO (native camera requires Android API level 8 or higher)")
  endif()
endif()

if(DEFINED WITH_AVFOUNDATION)
  status("    AVFoundation:"   WITH_AVFOUNDATION   THEN YES                                        ELSE NO)
endif(DEFINED WITH_AVFOUNDATION)

if(DEFINED WITH_FFMPEG)
  if(WIN32)
    status("    FFMPEG:"       WITH_FFMPEG         THEN "YES (prebuilt binaries)"                  ELSE NO)
  else()
    status("    FFMPEG:"       HAVE_FFMPEG         THEN YES ELSE NO)
  endif()
  status("      codec:"        HAVE_FFMPEG_CODEC   THEN "YES (ver ${ALIASOF_libavcodec_VERSION})"  ELSE NO)
  status("      format:"       HAVE_FFMPEG_FORMAT  THEN "YES (ver ${ALIASOF_libavformat_VERSION})" ELSE NO)
  status("      util:"         HAVE_FFMPEG_UTIL    THEN "YES (ver ${ALIASOF_libavutil_VERSION})"   ELSE NO)
  status("      swscale:"      HAVE_FFMPEG_SWSCALE THEN "YES (ver ${ALIASOF_libswscale_VERSION})"  ELSE NO)
  status("      gentoo-style:" HAVE_GENTOO_FFMPEG  THEN YES                                        ELSE NO)
endif(DEFINED WITH_FFMPEG)

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_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_QUICKTIME)
  status("    QuickTime:"      HAVE_QUICKTIME      THEN YES                                        ELSE NO)
  status("    QTKit:"          HAVE_QTKIT          THEN YES                                        ELSE NO)
endif(DEFINED WITH_QUICKTIME)

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 libv4l (ver ${ALIASOF_libv4l1_VERSION})"
                                                   ELSE "${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)


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

if(WITH_IPP AND IPP_FOUND)
  status("    Use IPP:" "${IPP_LATEST_VERSION_STR} [${IPP_LATEST_VERSION_MAJOR}.${IPP_LATEST_VERSION_MINOR}.${IPP_LATEST_VERSION_BUILD}]")
  status("         at:" "${IPP_ROOT_DIR}")
else()
  status("    Use IPP:"   WITH_IPP AND NOT IPP_FOUND THEN "IPP not found" ELSE NO)
endif()

status("    Use Eigen:"      HAVE_EIGEN       THEN "YES (ver ${EIGEN_WORLD_VERSION}.${EIGEN_MAJOR_VERSION}.${EIGEN_MINOR_VERSION})" ELSE NO)
status("    Use TBB:"        HAVE_TBB         THEN "YES (ver ${TBB_VERSION_MAJOR}.${TBB_VERSION_MINOR} interface ${TBB_INTERFACE_VERSION})" ELSE NO)
status("    Use OpenMP:"     HAVE_OPENMP      THEN YES ELSE NO)
status("    Use GCD"         HAVE_GCD         THEN YES ELSE NO)
status("    Use Concurrency" HAVE_CONCURRENCY THEN YES ELSE NO)
status("    Use C=:"         HAVE_CSTRIPES    THEN YES 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(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("")
  status("  OpenCL:")
  if(HAVE_OPENCL_STATIC)
    set(__opencl_ver "static")
  else()
    set(__opencl_ver "dynamic")
  endif()
  status("    Version:"       ${__opencl_ver})
  if(OPENCL_INCLUDE_DIR)
    status("    Include path:"       ${OPENCL_INCLUDE_DIRS})
  endif()
  if(OPENCL_LIBRARIES)
    set(__libs "")
    foreach(l ${OPENCL_LIBRARIES})
      if(TARGET ${l})
        get_target_property(p ${l} LOCATION)
        if(p MATCHES NOTFOUND)
          list(APPEND __libs "${l}")
        else()
          list(APPEND __libs "${p}")
        endif()
      else()
        list(APPEND __libs "${l}")
      endif()
    endforeach()
    status("    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:")
status("    Interpreter:"     PYTHONINTERP_FOUND  THEN "${PYTHON_EXECUTABLE} (ver ${PYTHON_VERSION_STRING})"       ELSE NO)
if(BUILD_opencv_python)
  if(PYTHONLIBS_VERSION_STRING)
    status("    Libraries:"   HAVE_opencv_python  THEN  "${PYTHON_LIBRARIES} (ver ${PYTHONLIBS_VERSION_STRING})"   ELSE NO)
  else()
    status("    Libraries:"   HAVE_opencv_python  THEN  "${PYTHON_LIBRARIES}"                                      ELSE NO)
  endif()
  status("    numpy:"         PYTHON_NUMPY_INCLUDE_DIRS THEN "${PYTHON_NUMPY_INCLUDE_DIRS} (ver ${PYTHON_NUMPY_VERSION})" ELSE "NO (Python wrappers can not be generated)")
  status("    packages path:" PYTHON_EXECUTABLE         THEN "${PYTHON_PACKAGES_PATH}"                                    ELSE "-")
endif()

# ========================== 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 tests:"    BUILD_TESTS AND (CAN_BUILD_ANDROID_PROJECTS OR HAVE_opencv_java)            THEN YES ELSE NO)

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

# ========================== documentation ==========================
if(BUILD_DOCS)
  status("")
  status("  Documentation:")
  if(HAVE_SPHINX)
    status("    Build Documentation:" PDFLATEX_COMPILER      THEN YES ELSE "YES (only HTML and without math expressions)")
  else()
    status("    Build Documentation:" NO)
  endif()
  status("    Sphinx:"              HAVE_SPHINX              THEN "${SPHINX_BUILD} (ver ${SPHINX_VERSION})" ELSE NO)
  status("    PdfLaTeX compiler:"   PDFLATEX_COMPILER        THEN "${PDFLATEX_COMPILER}" ELSE NO)
  status("    PlantUML:"            PLANTUML                 THEN "${PLANTUML}" 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()

# ----------------------------------------------------------------------------
# Warn in the case of in-source build
# ----------------------------------------------------------------------------
if("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
  message(WARNING "The source directory is the same as binary directory. \"make clean\" may damage the source tree")
endif()

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

include(cmake/OpenCVPackaging.cmake)