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CMakeLists.txt
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CMakeLists.txt
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# ----------------------------------------------------------------------------
# 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()
option(ENABLE_PIC "Generate position independent code (necessary for shared libraries)" TRUE)
set(CMAKE_POSITION_INDEPENDENT_CODE ${ENABLE_PIC})
set(OPENCV_MATHJAX_RELPATH "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0" CACHE STRING "URI to a MathJax installation")
# Following block can break build in case of cross-compiling
# but CMAKE_CROSSCOMPILING variable will be set only on project(OpenCV) command
# so we will try to detect cross-compiling by the presence of CMAKE_TOOLCHAIN_FILE
if(NOT DEFINED CMAKE_INSTALL_PREFIX)
if(NOT CMAKE_TOOLCHAIN_FILE)
# it _must_ go before project(OpenCV) in order to work
if(WIN32)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "Installation Directory")
else()
set(CMAKE_INSTALL_PREFIX "/usr/local" CACHE PATH "Installation Directory")
endif()
else()
#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()
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 CMP0054) # CMake 3.1: Only interpret if() arguments as variables or keywords when unquoted.
cmake_policy(SET CMP0054 NEW)
endif()
if(POLICY CMP0056)
cmake_policy(SET CMP0056 NEW)
endif()
if(POLICY CMP0067)
cmake_policy(SET CMP0067 NEW)
endif()
if(POLICY CMP0068)
cmake_policy(SET CMP0068 NEW) # CMake 3.9+: `RPATH` settings on macOS do not affect `install_name`.
endif()
include(cmake/OpenCVUtils.cmake)
ocv_cmake_reset_hooks()
ocv_check_environment_variables(OPENCV_CMAKE_HOOKS_DIR)
if(DEFINED OPENCV_CMAKE_HOOKS_DIR)
foreach(__dir ${OPENCV_CMAKE_HOOKS_DIR})
get_filename_component(__dir "${__dir}" ABSOLUTE)
ocv_cmake_hook_register_dir(${__dir})
endforeach()
endif()
ocv_cmake_hook(CMAKE_INIT)
# 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()
include("cmake/HunterGate.cmake")
HunterGate(
URL "https://github.com/cpp-pm/hunter/archive/v0.23.214.tar.gz"
SHA1 "f55fa3a96eac57eac28e99b4c326f1fa61c685a7"
)
project(OpenCV CXX C)
if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
set(WINRT TRUE)
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 -fomit-frame-pointer -ffast-math")
endif()
if(WINRT OR WINCE)
add_definitions(-DNO_GETENV)
endif()
if(WINRT)
add_definitions(-DWINRT)
# 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(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)
set(BUILD_LIST "" CACHE STRING "Build only listed modules (comma-separated, e.g. 'videoio,dnn,ts')")
# ----------------------------------------------------------------------------
# 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
# ----------------------------------------------------------------------------
include(cmake/OpenCVDetectCXXCompiler.cmake)
ocv_cmake_hook(POST_DETECT_COMPILER)
# 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)
# 3rd party libs
OCV_OPTION(OPENCV_FORCE_3RDPARTY_BUILD "Force using 3rdparty code from source" OFF)
OCV_OPTION(BUILD_ZLIB "Build zlib from source" (WIN32 OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_TIFF "Build libtiff from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_JASPER "Build libjasper from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_JPEG "Build libjpeg from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_PNG "Build libpng from source" (WIN32 OR ANDROID OR APPLE OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_OPENEXR "Build openexr from source" (((WIN32 OR ANDROID OR APPLE) AND NOT WINRT) OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_WEBP "Build WebP from source" (((WIN32 OR ANDROID OR APPLE) AND NOT WINRT) OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_TBB "Download and build TBB from source" (ANDROID OR OPENCV_FORCE_3RDPARTY_BUILD) )
OCV_OPTION(BUILD_IPP_IW "Build IPP IW from source" (NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD) IF (X86_64 OR X86) AND NOT WINRT )
OCV_OPTION(BUILD_ITT "Build Intel ITT from source"
(NOT MINGW OR OPENCV_FORCE_3RDPARTY_BUILD)
IF (X86_64 OR X86 OR ARM OR AARCH64 OR PPC64 OR PPC64LE) AND NOT WINRT AND NOT APPLE_FRAMEWORK
)
# Optional 3rd party components
# ===================================================
OCV_OPTION(WITH_1394 "Include IEEE1394 support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_DC1394_2)
OCV_OPTION(WITH_AVFOUNDATION "Use AVFoundation for Video I/O (iOS/Mac)" ON
VISIBLE_IF APPLE
VERIFY HAVE_AVFOUNDATION)
OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
VISIBLE_IF IOS
VERIFY HAVE_CAP_IOS)
OCV_OPTION(WITH_CAROTENE "Use NVidia carotene acceleration library for ARM platform" ON
VISIBLE_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
VISIBLE_IF ANDROID
VERIFY HAVE_CPUFEATURES)
OCV_OPTION(WITH_VTK "Include VTK library support (and build opencv_viz module eiher)" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT AND NOT CMAKE_CROSSCOMPILING
VERIFY HAVE_VTK)
OCV_OPTION(WITH_CUDA "Include NVidia Cuda Runtime support" OFF
VISIBLE_IF NOT IOS AND NOT WINRT
VERIFY HAVE_CUDA)
OCV_OPTION(WITH_CUFFT "Include NVidia Cuda Fast Fourier Transform (FFT) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUFFT)
OCV_OPTION(WITH_CUBLAS "Include NVidia Cuda Basic Linear Algebra Subprograms (BLAS) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUBLAS)
OCV_OPTION(WITH_CUDNN "Include NVIDIA CUDA Deep Neural Network (cuDNN) library support" WITH_CUDA
VISIBLE_IF WITH_CUDA
VERIFY HAVE_CUDNN)
OCV_OPTION(WITH_NVCUVID "Include NVidia Video Decoding library support" OFF # disabled, details: https://github.com/opencv/opencv/issues/14850
VISIBLE_IF WITH_CUDA
VERIFY HAVE_NVCUVID)
OCV_OPTION(WITH_EIGEN "Include Eigen2/Eigen3 support" (NOT CV_DISABLE_OPTIMIZATION AND NOT CMAKE_CROSSCOMPILING)
VISIBLE_IF NOT WINRT
VERIFY HAVE_EIGEN)
OCV_OPTION(WITH_FFMPEG "Include FFMPEG support" (NOT ANDROID)
VISIBLE_IF NOT IOS AND NOT WINRT
VERIFY HAVE_FFMPEG)
OCV_OPTION(WITH_GSTREAMER "Include Gstreamer support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_GSTREAMER AND GSTREAMER_VERSION VERSION_GREATER "0.99")
OCV_OPTION(WITH_GTK "Include GTK support" ON
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_GTK)
OCV_OPTION(WITH_GTK_2_X "Use GTK version 2" OFF
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_GTK AND NOT HAVE_GTK3)
OCV_OPTION(WITH_IPP "Include Intel IPP support" (NOT MINGW AND NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF (X86_64 OR X86) AND NOT WINRT AND NOT IOS
VERIFY HAVE_IPP)
OCV_OPTION(WITH_HALIDE "Include Halide support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_HALIDE)
OCV_OPTION(WITH_VULKAN "Include Vulkan support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_VULKAN)
OCV_OPTION(WITH_INF_ENGINE "Include Intel Inference Engine support" OFF
VISIBLE_IF TRUE
VERIFY INF_ENGINE_TARGET)
OCV_OPTION(WITH_JASPER "Include JPEG2K support" ON
VISIBLE_IF NOT IOS
VERIFY HAVE_JASPER)
OCV_OPTION(WITH_JPEG "Include JPEG support" ON
VISIBLE_IF TRUE
VERIFY HAVE_JPEG)
OCV_OPTION(WITH_WEBP "Include WebP support" ON
VISIBLE_IF NOT WINRT
VERIFY HAVE_WEBP)
OCV_OPTION(WITH_OPENEXR "Include ILM support via OpenEXR" BUILD_OPENEXR OR NOT CMAKE_CROSSCOMPILING
VISIBLE_IF NOT APPLE_FRAMEWORK AND NOT WINRT
VERIFY HAVE_OPENEXR)
OCV_OPTION(WITH_OPENGL "Include OpenGL support" OFF
VISIBLE_IF NOT ANDROID AND NOT WINRT
VERIFY HAVE_OPENGL)
OCV_OPTION(WITH_OPENVX "Include OpenVX support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENVX)
OCV_OPTION(WITH_OPENNI "Include OpenNI support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_OPENNI)
OCV_OPTION(WITH_OPENNI2 "Include OpenNI2 support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_OPENNI2)
OCV_OPTION(WITH_PNG "Include PNG support" ON
VISIBLE_IF TRUE
VERIFY HAVE_PNG)
OCV_OPTION(WITH_GDCM "Include DICOM support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_GDCM)
OCV_OPTION(WITH_PVAPI "Include Prosilica GigE support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_PVAPI)
OCV_OPTION(WITH_ARAVIS "Include Aravis GigE support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT AND NOT WIN32
VERIFY HAVE_ARAVIS_API)
OCV_OPTION(WITH_QT "Build with Qt Backend support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_QT)
OCV_OPTION(WITH_WIN32UI "Build with Win32 UI Backend support" ON
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_WIN32UI)
OCV_OPTION(WITH_TBB "Include Intel TBB support" OFF
VISIBLE_IF NOT IOS AND NOT WINRT
VERIFY HAVE_TBB)
OCV_OPTION(WITH_HPX "Include Ste||ar Group HPX support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_HPX)
OCV_OPTION(WITH_OPENMP "Include OpenMP support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENMP)
OCV_OPTION(WITH_PTHREADS_PF "Use pthreads-based parallel_for" ON
VISIBLE_IF NOT WIN32 OR MINGW
VERIFY HAVE_PTHREADS_PF)
OCV_OPTION(WITH_TIFF "Include TIFF support" ON
VISIBLE_IF NOT IOS
VERIFY HAVE_TIFF)
OCV_OPTION(WITH_V4L "Include Video 4 Linux support" ON
VISIBLE_IF UNIX AND NOT ANDROID AND NOT APPLE
VERIFY HAVE_CAMV4L OR HAVE_CAMV4L2 OR HAVE_VIDEOIO)
OCV_OPTION(WITH_DSHOW "Build VideoIO with DirectShow support" ON
VISIBLE_IF WIN32 AND NOT ARM AND NOT WINRT
VERIFY HAVE_DSHOW)
OCV_OPTION(WITH_MSMF "Build VideoIO with Media Foundation support" NOT MINGW
VISIBLE_IF WIN32
VERIFY HAVE_MSMF)
OCV_OPTION(WITH_MSMF_DXVA "Enable hardware acceleration in Media Foundation backend" WITH_MSMF
VISIBLE_IF WIN32
VERIFY HAVE_MSMF_DXVA)
OCV_OPTION(WITH_XIMEA "Include XIMEA cameras support" OFF
VISIBLE_IF NOT ANDROID AND NOT WINRT
VERIFY HAVE_XIMEA)
OCV_OPTION(WITH_XINE "Include Xine support (GPL)" OFF
VISIBLE_IF UNIX AND NOT APPLE AND NOT ANDROID
VERIFY HAVE_XINE)
OCV_OPTION(WITH_CLP "Include Clp support (EPL)" OFF
VISIBLE_IF TRUE
VERIFY HAVE_CLP)
OCV_OPTION(WITH_OPENCL "Include OpenCL Runtime support" (NOT ANDROID AND NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF NOT IOS AND NOT WINRT
VERIFY HAVE_OPENCL)
OCV_OPTION(WITH_OPENCL_SVM "Include OpenCL Shared Virtual Memory support" OFF
VISIBLE_IF TRUE
VERIFY HAVE_OPENCL_SVM) # experimental
OCV_OPTION(WITH_OPENCLAMDFFT "Include AMD OpenCL FFT library support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_CLAMDFFT)
OCV_OPTION(WITH_OPENCLAMDBLAS "Include AMD OpenCL BLAS library support" ON
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_CLAMDBLAS)
OCV_OPTION(WITH_DIRECTX "Include DirectX support" ON
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_DIRECTX)
OCV_OPTION(WITH_OPENCL_D3D11_NV "Include NVIDIA OpenCL D3D11 support" WITH_DIRECTX
VISIBLE_IF WIN32 AND NOT WINRT
VERIFY HAVE_OPENCL_D3D11_NV)
OCV_OPTION(WITH_LIBREALSENSE "Include Intel librealsense support" OFF
VISIBLE_IF NOT WITH_INTELPERC
VERIFY HAVE_LIBREALSENSE)
OCV_OPTION(WITH_VA "Include VA support" OFF
VISIBLE_IF UNIX AND NOT ANDROID
VERIFY HAVE_VA)
OCV_OPTION(WITH_VA_INTEL "Include Intel VA-API/OpenCL support" OFF
VISIBLE_IF UNIX AND NOT ANDROID
VERIFY HAVE_VA_INTEL)
OCV_OPTION(WITH_MFX "Include Intel Media SDK support" OFF
VISIBLE_IF (UNIX AND NOT ANDROID) OR (WIN32 AND NOT WINRT AND NOT MINGW)
VERIFY HAVE_MFX)
OCV_OPTION(WITH_GDAL "Include GDAL Support" OFF
VISIBLE_IF NOT ANDROID AND NOT IOS AND NOT WINRT
VERIFY HAVE_GDAL)
OCV_OPTION(WITH_GPHOTO2 "Include gPhoto2 library support" OFF
VISIBLE_IF UNIX AND NOT ANDROID AND NOT IOS
VERIFY HAVE_GPHOTO2)
OCV_OPTION(WITH_LAPACK "Include Lapack library support" (NOT CV_DISABLE_OPTIMIZATION)
VISIBLE_IF NOT ANDROID AND NOT IOS
VERIFY HAVE_LAPACK)
OCV_OPTION(WITH_ITT "Include Intel ITT support" ON
VISIBLE_IF NOT APPLE_FRAMEWORK
VERIFY HAVE_ITT)
OCV_OPTION(WITH_PROTOBUF "Enable libprotobuf" ON
VISIBLE_IF TRUE
VERIFY HAVE_PROTOBUF)
OCV_OPTION(WITH_IMGCODEC_HDR "Include HDR support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_HDR)
OCV_OPTION(WITH_IMGCODEC_SUNRASTER "Include SUNRASTER support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_SUNRASTER)
OCV_OPTION(WITH_IMGCODEC_PXM "Include PNM (PBM,PGM,PPM) and PAM formats support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_PXM)
OCV_OPTION(WITH_IMGCODEC_PFM "Include PFM formats support" ON
VISIBLE_IF TRUE
VERIFY HAVE_IMGCODEC_PFM)
OCV_OPTION(WITH_QUIRC "Include library QR-code decoding" ON
VISIBLE_IF TRUE
VERIFY HAVE_QUIRC)
OCV_OPTION(WITH_ANDROID_MEDIANDK "Use Android Media NDK for Video I/O (Android)" (ANDROID_NATIVE_API_LEVEL GREATER 20)
VISIBLE_IF ANDROID
VERIFY HAVE_ANDROID_MEDIANDK)
# 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_opencv_js "Build JavaScript bindings by Emscripten" OFF )
OCV_OPTION(BUILD_ANDROID_PROJECTS "Build Android projects providing .apk files" ON IF ANDROID )
OCV_OPTION(BUILD_ANDROID_EXAMPLES "Build examples for Android platform" ON IF ANDROID )
OCV_OPTION(BUILD_DOCS "Create build rules for OpenCV Documentation" OFF IF (NOT WINRT AND NOT 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" NOT INSTALL_CREATE_DISTRIB IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_TESTS "Build accuracy & regression tests" NOT INSTALL_CREATE_DISTRIB IF (NOT APPLE_FRAMEWORK) )
OCV_OPTION(BUILD_WITH_DEBUG_INFO "Include debug info into release binaries ('OFF' means default settings)" OFF )
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 Java wrapper exporting all functions of OpenCV library (requires static build of OpenCV modules)" ANDROID IF NOT BUILD_SHARED_LIBS)
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) )
OCV_OPTION(BUILD_JAVA "Enable Java support" (ANDROID OR NOT CMAKE_CROSSCOMPILING) IF (ANDROID OR (NOT APPLE_FRAMEWORK AND NOT WINRT)) )
# 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 (MSVC OR (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 CV_GCC )
OCV_OPTION(ENABLE_COVERAGE "Enable coverage collection with GCov" OFF IF CV_GCC )
OCV_OPTION(OPENCV_ENABLE_MEMORY_SANITIZER "Better support for memory/address sanitizers" OFF)
OCV_OPTION(ENABLE_OMIT_FRAME_POINTER "Enable -fomit-frame-pointer for GCC" ON IF CV_GCC )
OCV_OPTION(ENABLE_POWERPC "Enable PowerPC for GCC" ON IF (CV_GCC AND CMAKE_SYSTEM_PROCESSOR MATCHES powerpc.*) )
OCV_OPTION(ENABLE_FAST_MATH "Enable compiler options for fast math optimizations on FP computations (not recommended)" OFF)
if(NOT IOS AND (NOT ANDROID OR OPENCV_ANDROID_USE_LEGACY_FLAGS)) # Use CPU_BASELINE instead
OCV_OPTION(ENABLE_NEON "Enable NEON instructions" (NEON OR ANDROID_ARM_NEON OR AARCH64) IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS) )
OCV_OPTION(ENABLE_VFPV3 "Enable VFPv3-D32 instructions" OFF IF (CV_GCC OR CV_CLANG) AND (ARM OR AARCH64 OR IOS) )
endif()
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 CV_GCC) )
OCV_OPTION(ENABLE_BUILD_HARDENING "Enable hardening of the resulting binaries (against security attacks, detects memory corruption, etc)" OFF)
OCV_OPTION(ENABLE_LTO "Enable Link Time Optimization" OFF IF CV_GCC OR MSVC)
OCV_OPTION(ENABLE_THIN_LTO "Enable Thin LTO" OFF IF CV_CLANG)
OCV_OPTION(GENERATE_ABI_DESCRIPTOR "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
OCV_OPTION(OPENCV_GENERATE_PKGCONFIG "Generate .pc file for pkg-config build tool (deprecated)" OFF)
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)
OCV_OPTION(OPENCV_GENERATE_SETUPVARS "Generate setup_vars* scripts" ON IF (NOT ANDROID AND NOT APPLE_FRAMEWORK) )
OCV_OPTION(ENABLE_CONFIG_VERIFICATION "Fail build if actual configuration doesn't match requested (WITH_XXX != HAVE_XXX)" OFF)
OCV_OPTION(ENABLE_PYLINT "Add target with Pylint checks" (BUILD_DOCS OR BUILD_EXAMPLES) IF (NOT CMAKE_CROSSCOMPILING AND NOT APPLE_FRAMEWORK) )
OCV_OPTION(ENABLE_FLAKE8 "Add target with Python flake8 checker" (BUILD_DOCS OR BUILD_EXAMPLES) IF (NOT CMAKE_CROSSCOMPILING AND NOT APPLE_FRAMEWORK) )
if(ENABLE_IMPL_COLLECTION)
add_definitions(-DCV_COLLECT_IMPL_DATA)
endif()
# ----------------------------------------------------------------------------
# Get actual OpenCV version number from sources
# ----------------------------------------------------------------------------
include(cmake/OpenCVVersion.cmake)
ocv_cmake_hook(POST_OPTIONS)
# ----------------------------------------------------------------------------
# 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(CMAKE_ANDROID_ARM_NEON)
set(ENABLE_NEON ON)
endif()
endif()
if(ANDROID OR WIN32)
ocv_update(OPENCV_DOC_INSTALL_PATH 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 "${OpenCV_INSTALL_BINARIES_PREFIX}samples/${CMAKE_ANDROID_ARCH_ABI}")
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/${CMAKE_ANDROID_ARCH_ABI}")
else()
ocv_update(OPENCV_BIN_INSTALL_PATH "${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 ${OPENCV_TEST_DATA_PATH} ABSOLUTE)
endif()
if(ANDROID)
ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "sdk/etc/testdata")
elseif(WIN32)
ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "testdata")
endif()
if(ANDROID)
set(LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/lib/${CMAKE_ANDROID_ARCH_ABI}")
ocv_update(3P_LIBRARY_OUTPUT_PATH "${OpenCV_BINARY_DIR}/3rdparty/lib/${CMAKE_ANDROID_ARCH_ABI}")
ocv_update(OPENCV_LIB_INSTALL_PATH sdk/native/libs/${CMAKE_ANDROID_ARCH_ABI})
ocv_update(OPENCV_LIB_ARCHIVE_INSTALL_PATH sdk/native/staticlibs/${CMAKE_ANDROID_ARCH_ABI})
ocv_update(OPENCV_3P_LIB_INSTALL_PATH sdk/native/3rdparty/libs/${CMAKE_ANDROID_ARCH_ABI})
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)
ocv_update(OPENCV_LICENSES_INSTALL_PATH "${OPENCV_OTHER_INSTALL_PATH}/licenses")
else()
set(LIBRARY_OUTPUT_PATH "${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)
ocv_update(OPENCV_JAR_INSTALL_PATH java)
ocv_update(OPENCV_OTHER_INSTALL_PATH etc)
ocv_update(OPENCV_CONFIG_INSTALL_PATH ".")
ocv_update(OPENCV_INCLUDE_INSTALL_PATH "include")
ocv_update(OPENCV_LICENSES_INSTALL_PATH "${OPENCV_OTHER_INSTALL_PATH}/licenses")
else()
# Note: layout differs from OpenCV 3.4
include(GNUInstallDirs)
ocv_update(OPENCV_INCLUDE_INSTALL_PATH "${CMAKE_INSTALL_INCLUDEDIR}/opencv4")
ocv_update(OPENCV_LIB_INSTALL_PATH "${CMAKE_INSTALL_LIBDIR}")
ocv_update(OPENCV_CONFIG_INSTALL_PATH "${OPENCV_LIB_INSTALL_PATH}/cmake/opencv4")
ocv_update(OPENCV_3P_LIB_INSTALL_PATH "${OPENCV_LIB_INSTALL_PATH}/opencv4/3rdparty")
ocv_update(OPENCV_SAMPLES_SRC_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/opencv4/samples")
ocv_update(OPENCV_DOC_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/doc/opencv4")
ocv_update(OPENCV_JAR_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/java/opencv4")
ocv_update(OPENCV_TEST_DATA_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/opencv4/testdata")
ocv_update(OPENCV_OTHER_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/opencv4")
ocv_update(OPENCV_LICENSES_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/licenses/opencv4")
endif()
#ocv_update(OPENCV_PYTHON_INSTALL_PATH "python") # no default value, see https://github.com/opencv/opencv/issues/13202
endif()
ocv_update(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${OPENCV_LIB_INSTALL_PATH}")
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
if(INSTALL_TO_MANGLED_PATHS)
foreach(v
OPENCV_INCLUDE_INSTALL_PATH
# file names include version (.so/.dll): OPENCV_LIB_INSTALL_PATH
OPENCV_CONFIG_INSTALL_PATH
OPENCV_3P_LIB_INSTALL_PATH
OPENCV_SAMPLES_SRC_INSTALL_PATH
OPENCV_DOC_INSTALL_PATH
# JAR file name includes version: OPENCV_JAR_INSTALL_PATH
OPENCV_TEST_DATA_INSTALL_PATH
OPENCV_OTHER_INSTALL_PATH
)
string(REGEX REPLACE "opencv[0-9]*" "opencv-${OPENCV_VERSION}" ${v} "${${v}}")
endforeach()
endif()
if(ANDROID)
ocv_update(OPENCV_JNI_INSTALL_PATH "${OPENCV_LIB_INSTALL_PATH}")
elseif(INSTALL_CREATE_DISTRIB)
ocv_update(OPENCV_JNI_INSTALL_PATH "${OPENCV_JAR_INSTALL_PATH}/${OpenCV_ARCH}")
else()
ocv_update(OPENCV_JNI_INSTALL_PATH "${OPENCV_JAR_INSTALL_PATH}")
endif()
ocv_update(OPENCV_JNI_BIN_INSTALL_PATH "${OPENCV_JNI_INSTALL_PATH}")
if(NOT OPENCV_LIB_ARCHIVE_INSTALL_PATH)
set(OPENCV_LIB_ARCHIVE_INSTALL_PATH ${OPENCV_LIB_INSTALL_PATH})
endif()
if(WIN32)
# Postfix of DLLs:
set(OPENCV_DLLVERSION "${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(${OPENCV_CONFIG_FILE_INCLUDE_DIR})
# ----------------------------------------------------------------------------
# Path for additional modules
# ----------------------------------------------------------------------------
set(OPENCV_EXTRA_MODULES_PATH "" CACHE PATH "Where to look for additional OpenCV modules (can be ;-separated list of paths)")
if(OPENCV_WITH_EXTRA_MODULES)
hunter_add_package(OpenCV-Extra)
set(OPENCV_EXTRA_MODULES_PATH "${OPENCV-EXTRA_ROOT}/modules")
endif()
# ----------------------------------------------------------------------------
# Autodetect if we are in a GIT repository
# ----------------------------------------------------------------------------
find_host_package(Git QUIET)
if(NOT DEFINED OPENCV_VCSVERSION AND GIT_FOUND)
ocv_git_describe(OPENCV_VCSVERSION "${OpenCV_SOURCE_DIR}")
elseif(NOT DEFINED OPENCV_VCSVERSION)
# We don't have git:
set(OPENCV_VCSVERSION "unknown")
endif()
# ----------------------------------------------------------------------------
# OpenCV compiler and linker options
# ----------------------------------------------------------------------------
# In case of Makefiles if the user does not setup CMAKE_BUILD_TYPE, assume it's Release:
if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja" AND "${CMAKE_BUILD_TYPE}" STREQUAL "")
set(CMAKE_BUILD_TYPE Release)
endif()
ocv_cmake_hook(POST_CMAKE_BUILD_OPTIONS)
# --- Python Support ---
if(NOT IOS)
include(cmake/OpenCVDetectPython.cmake)
endif()
include(cmake/OpenCVCompilerOptions.cmake)
ocv_cmake_hook(POST_COMPILER_OPTIONS)
# ----------------------------------------------------------------------------
# CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
# ----------------------------------------------------------------------------
if(UNIX)
if(NOT APPLE_FRAMEWORK OR OPENCV_ENABLE_PKG_CONFIG)
if(CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{PKG_CONFIG_LIBDIR} AND NOT DEFINED ENV{PKG_CONFIG_SYSROOT_DIR}
AND NOT OPENCV_ENABLE_PKG_CONFIG
)
if(NOT PkgConfig_FOUND)
message(STATUS "OpenCV disables pkg-config to avoid using of host libraries. Consider using PKG_CONFIG_LIBDIR to specify target SYSROOT")
elseif(OPENCV_SKIP_PKG_CONFIG_WARNING)
message(WARNING "pkg-config is enabled in cross-compilation mode without defining of PKG_CONFIG_LIBDIR environment variable. This may lead to misconfigured host-based dependencies.")
endif()
elseif(OPENCV_DISABLE_PKG_CONFIG)
if(PkgConfig_FOUND)
message(WARNING "OPENCV_DISABLE_PKG_CONFIG flag has no effect")
endif()
else()
find_package(PkgConfig QUIET)
endif()
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|Haiku")
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 ${OPENCV_LINKER_LIBS} dl m pthread rt)
endif()
else()
set(HAVE_PTHREAD 1)
endif()
CHECK_SYMBOL_EXISTS(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
CHECK_INCLUDE_FILE(malloc.h HAVE_MALLOC_H)
if(HAVE_MALLOC_H)
CHECK_SYMBOL_EXISTS(memalign malloc.h HAVE_MEMALIGN)
endif()
endif()
include(cmake/OpenCVPCHSupport.cmake)
include(cmake/OpenCVModule.cmake)
# ----------------------------------------------------------------------------
# Detect endianness of build platform
# ----------------------------------------------------------------------------
if(IOS)
# test_big_endian needs try_compile, which doesn't work for iOS
# http://public.kitware.com/Bug/view.php?id=12288
set(WORDS_BIGENDIAN 0)
else()
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
endif()
# ----------------------------------------------------------------------------
# Detect 3rd-party libraries
# ----------------------------------------------------------------------------
if(ANDROID AND WITH_CPUFEATURES)
add_subdirectory(3rdparty/cpufeatures)
set(HAVE_CPUFEATURES 1)
endif()
include(cmake/OpenCVFindFrameworks.cmake)
include(cmake/OpenCVFindLibsGrfmt.cmake)
include(cmake/OpenCVFindLibsGUI.cmake)
include(cmake/OpenCVFindLibsVideo.cmake)
include(cmake/OpenCVFindLibsPerf.cmake)
include(cmake/OpenCVFindLAPACK.cmake)
include(cmake/OpenCVFindProtobuf.cmake)
# ----------------------------------------------------------------------------
# Detect other 3rd-party libraries/tools
# ----------------------------------------------------------------------------
# --- Java Support ---
if(BUILD_JAVA)
if(ANDROID)
include(cmake/android/OpenCVDetectAndroidSDK.cmake)
else()
include(cmake/OpenCVDetectApacheAnt.cmake)
find_package(JNI)
endif()
endif()
if(ENABLE_PYLINT AND PYTHON_DEFAULT_AVAILABLE)
include(cmake/OpenCVPylint.cmake)
endif()
if(ENABLE_FLAKE8 AND PYTHON_DEFAULT_AVAILABLE)
find_package(Flake8 QUIET)
if(NOT FLAKE8_FOUND OR NOT FLAKE8_EXECUTABLE)
include("${CMAKE_CURRENT_LIST_DIR}/cmake/FindFlake8.cmake")
endif()
if(FLAKE8_FOUND)
add_custom_target(check_flake8
COMMAND "${FLAKE8_EXECUTABLE}" . --count --select=E9,E901,E999,F821,F822,F823 --show-source --statistics --exclude='.git,__pycache__,*.config.py,svgfig.py'
WORKING_DIRECTORY "${OpenCV_SOURCE_DIR}"
COMMENT "Running flake8"
)
endif()
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()
# --- VkCom ---
if(WITH_VULKAN)
include(cmake/OpenCVDetectVulkan.cmake)
endif()
# --- Inference Engine ---
if(WITH_INF_ENGINE)
include(cmake/OpenCVDetectInferenceEngine.cmake)
endif()
# --- DirectX ---
if(WITH_DIRECTX)
include(cmake/OpenCVDetectDirectX.cmake)
endif()
if(WITH_VTK)
include(cmake/OpenCVDetectVTK.cmake)
endif()
if(WITH_OPENVX)
include(cmake/FindOpenVX.cmake)
endif()
if(WITH_QUIRC)
add_subdirectory(3rdparty/quirc)
set(HAVE_QUIRC TRUE)
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)
# ----------------------------------------------------------------------------
# Code trace support
# ----------------------------------------------------------------------------
if(CV_TRACE)
include(cmake/OpenCVDetectTrace.cmake)
endif()
ocv_cmake_hook(POST_DETECT_DEPENDECIES) # typo, deprecated (2019-06)
ocv_cmake_hook(POST_DETECT_DEPENDENCIES)
# ----------------------------------------------------------------------------
# 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)
# Enable compiler options for OpenCV modules/apps/samples only (ignore 3rdparty)
ocv_add_modules_compiler_options()
# 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_ANDROID_EXAMPLES OR INSTALL_PYTHON_EXAMPLES OR INSTALL_C_EXAMPLES)
add_subdirectory(samples)
endif()
if(ANDROID)
add_subdirectory(platforms/android/service)
endif()
# ----------------------------------------------------------------------------
# Finalization: generate configuration-based files
# ----------------------------------------------------------------------------
ocv_cmake_hook(PRE_FINALIZE)
# Generate platform-dependent and configuration-dependent headers
include(cmake/OpenCVGenHeaders.cmake)
# Generate opencv.pc for pkg-config command
if(OPENCV_GENERATE_PKGCONFIG)
include(cmake/OpenCVGenPkgconfig.cmake)
endif()
# Generate OpenCV.mk for ndk-build (Android build tool)
include(cmake/OpenCVGenAndroidMK.cmake)