package/opencv4: new package

opencv4 is not fully backward compatible with opencv3 as "a lot of C API
from OpenCV 1.x has been removed.": https://opencv.org/opencv-4-0.

Moreover, it should be noted that layout of include files as well as
pkg-config filename changed since
a956732874

All these changes mean that most of buildroot packages (e.g. vlc,
ffmpeg) are not compatible with opencv4.

Here is the most important changes between opencv3 and opencv 4.5.1:
 - License is Apache-2.0 (https://opencv.org/opencv-4-5-0)
 - openjpeg is an optional dependency (enabled by default) since
   0384eb7d8c
   jpeg2000 can be enabled through openjpeg or jasper
 - pkg-config must be enabled with OPENCV_GENERATE_PKGCONFIG since
   e755a2a6e4
 - cmake is not installed in /usr/share anymore so hook can be dropped
 - C++11 is required since
   d4688e6474

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Arnout: remove a few redundant dependencies from Config.in]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Fabrice Fontaine 2020-12-26 11:42:59 +01:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 0b4b533dca
commit c23612b5db
5 changed files with 732 additions and 0 deletions

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@ -903,6 +903,7 @@ F: package/motion/
F: package/mutt/
F: package/ncmpc/
F: package/oniguruma/
F: package/opencv4/
F: package/oprofile/
F: package/pcmanfm/
F: package/perl-extutils-pkgconfig/

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@ -1519,6 +1519,7 @@ menu "Graphics"
source "package/libwpe/Config.in"
source "package/menu-cache/Config.in"
source "package/opencv3/Config.in"
source "package/opencv4/Config.in"
source "package/opengl/Config.in"
source "package/openjpeg/Config.in"
source "package/pango/Config.in"

352
package/opencv4/Config.in Normal file
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@ -0,0 +1,352 @@
menuconfig BR2_PACKAGE_OPENCV4
bool "opencv4"
depends on BR2_TOOLCHAIN_HAS_ATOMIC
depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_USE_WCHAR
depends on !BR2_STATIC_LIBS # include dlfcn.h
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
depends on !BR2_PACKAGE_OPENCV3
select BR2_PACKAGE_ZLIB
help
OpenCV (Open Source Computer Vision) is a library of
programming functions for real time computer vision.
Note that the opencv_core module and the opencv_hal library
are always built and installed, not matter which other
modules are enabled below.
http://opencv.org/
if BR2_PACKAGE_OPENCV4
comment "OpenCV modules"
config BR2_PACKAGE_OPENCV4_LIB_CALIB3D
bool "calib3d"
select BR2_PACKAGE_OPENCV4_LIB_FEATURES2D
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
help
Include opencv_calib3d (camera calibration and 3d
reconstruction) module into the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_FEATURES2D
bool "features2d"
select BR2_PACKAGE_OPENCV4_LIB_FLANN
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_ML
help
Include opencv_features2d (2d features framework) module
into the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_FLANN
bool "flann"
# opencv_core dependency is already enabled
help
Include opencv_flann (clustering and search in
multi-dimensional spaces) module into the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_HIGHGUI
bool "highgui"
select BR2_PACKAGE_OPENCV4_LIB_IMGCODECS
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_VIDEOIO
help
Include opencv_highgui (high-level gui and media i/o) module
into the OpenCV build.
if BR2_PACKAGE_OPENCV4_LIB_HIGHGUI
choice
prompt "gui toolkit"
help
GUI toolkit to be used by the opencv_highgui module.
config BR2_PACKAGE_OPENCV4_GUI_NONE
bool "none"
config BR2_PACKAGE_OPENCV4_WITH_GTK
bool "gtk2"
depends on BR2_PACKAGE_LIBGTK2
comment "gtk2 support needs libgtk2"
depends on BR2_USE_MMU # libgtk2 -> glib2
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on !BR2_PACKAGE_LIBGTK2
config BR2_PACKAGE_OPENCV4_WITH_GTK3
bool "gtk3"
depends on BR2_PACKAGE_LIBGTK3
comment "gtk3 support needs libgtk3"
depends on BR2_USE_MMU # libgtk3 -> glib2
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on !BR2_PACKAGE_LIBGTK3
config BR2_PACKAGE_OPENCV4_WITH_QT5
bool "qt5"
depends on BR2_PACKAGE_QT5
select BR2_PACKAGE_QT5BASE_CONCURRENT
select BR2_PACKAGE_QT5BASE_GUI
select BR2_PACKAGE_QT5BASE_WIDGETS
help
Use Qt5 with base, concurrent, test, gui and widgets
components, as GUI toolkit.
comment "qt5 support needs qt5"
depends on !BR2_PACKAGE_QT5
endchoice
config BR2_PACKAGE_OPENCV4_WITH_OPENGL
bool "opengl support"
# OpenGL support done using Qt5OpenGL, so depends on WITH_QT5
depends on BR2_PACKAGE_OPENCV4_WITH_QT5
# OpenGL support requires Qt5OpenGL with GL support, not GLES
depends on BR2_PACKAGE_QT5_GL_AVAILABLE
depends on BR2_PACKAGE_HAS_LIBGL
select BR2_PACKAGE_QT5BASE_OPENGL
help
Enable OpenGL for UI.
comment "opengl support needs an OpenGL provider"
depends on BR2_PACKAGE_OPENCV4_WITH_QT5
depends on !BR2_PACKAGE_QT5_GL_AVAILABLE || \
!BR2_PACKAGE_HAS_LIBGL
endif # BR2_PACKAGE_OPENCV4_LIB_HIGHGUI
config BR2_PACKAGE_OPENCV4_LIB_IMGCODECS
bool "imgcodecs"
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
help
Include opencv_imgcodecs (image codecs) module into the
OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_IMGPROC
bool "imgproc"
# opencv_core dependency is already enabled
help
Include opencv_imgproc (image processing) module into the
OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_ML
bool "ml"
# opencv_core dependency is already enabled
help
Include opencv_ml (machine learning) module into the OpenCV
build.
config BR2_PACKAGE_OPENCV4_LIB_OBJDETECT
bool "objdetect"
# opencv_core dependency is already enabled
select BR2_PACKAGE_OPENCV4_LIB_CALIB3D
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_ML
help
Include opencv_objdetect (object detection) module into the
OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_PHOTO
bool "photo"
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
help
Include opencv_photo (computational photography) module into
the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_PYTHON
bool "python"
depends on BR2_PACKAGE_PYTHON3
depends on BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS
depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_MUSL # python-numpy
select BR2_PACKAGE_PYTHON_NUMPY
help
Include opencv_python module into the OpenCV build. No
python example is installed.
comment "python support needs glibc or musl"
depends on BR2_PACKAGE_PYTHON3
depends on BR2_PACKAGE_PYTHON_NUMPY_ARCH_SUPPORTS
depends on !(BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_MUSL)
config BR2_PACKAGE_OPENCV4_LIB_SHAPE
bool "shape"
# opencv_core dependency is already enabled
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_VIDEO
help
Include opencv_shape (shape descriptors and matchers) module
into the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_STITCHING
bool "stitching"
select BR2_PACKAGE_OPENCV4_LIB_CALIB3D
select BR2_PACKAGE_OPENCV4_LIB_FEATURES2D
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_OBJDETECT
help
Include opencv_stitching (images stitching) module into the
OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_SUPERRES
bool "superres"
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_VIDEO
help
Include opencv_superres (super resolution) module into the
OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_TS
bool "ts"
# opencv_core dependency is already enabled
select BR2_PACKAGE_OPENCV4_LIB_HIGHGUI
select BR2_PACKAGE_OPENCV4_LIB_IMGCODECS
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_VIDEOIO
help
Include opencv_ts (test) module into the OpenCV build.
config BR2_PACKAGE_OPENCV4_LIB_VIDEOIO
bool "videoio"
select BR2_PACKAGE_OPENCV4_LIB_IMGCODECS
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
help
Include opencv_videoio (media i/o) module into the OpenCV
build.
config BR2_PACKAGE_OPENCV4_LIB_VIDEO
bool "video"
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
help
Include opencv_video (video analysis) module into the OpenCV
build.
config BR2_PACKAGE_OPENCV4_LIB_VIDEOSTAB
bool "videostab"
select BR2_PACKAGE_OPENCV4_LIB_CALIB3D
select BR2_PACKAGE_OPENCV4_LIB_FEATURES2D
select BR2_PACKAGE_OPENCV4_LIB_IMGPROC
select BR2_PACKAGE_OPENCV4_LIB_PHOTO
select BR2_PACKAGE_OPENCV4_LIB_VIDEO
help
Include opencv_videostab (video stabilization) module into
the OpenCV build.
comment "Test sets"
config BR2_PACKAGE_OPENCV4_BUILD_TESTS
bool "build tests"
config BR2_PACKAGE_OPENCV4_BUILD_PERF_TESTS
bool "build performance tests"
comment "3rd party support"
config BR2_PACKAGE_OPENCV4_WITH_FFMPEG
bool "ffmpeg support"
depends on BR2_PACKAGE_FFMPEG_ARCH_SUPPORTS
select BR2_PACKAGE_BZIP2
select BR2_PACKAGE_FFMPEG
select BR2_PACKAGE_FFMPEG_AVRESAMPLE
select BR2_PACKAGE_FFMPEG_SWSCALE
help
Use ffmpeg from the target system.
config BR2_PACKAGE_OPENCV4_WITH_GSTREAMER1
bool "gstreamer-1.x"
depends on BR2_USE_MMU # gstreamer1 -> libglib2
select BR2_PACKAGE_GSTREAMER1
select BR2_PACKAGE_GST1_PLUGINS_BASE
select BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_APP
help
Enable gstreamer support.
choice
prompt "jpeg2000 support"
help
Select the desired jpeg2000 library provider.
config BR2_PACKAGE_OPENCV4_JPEG2000_NONE
bool "none"
config BR2_PACKAGE_OPENCV4_JPEG2000_WITH_JASPER
bool "jasper"
select BR2_PACKAGE_JASPER
help
Enable jpeg2000 support through jasper.
Note: this does not use the libjasper bundled with opencv,
but uses the libjasper package installed system-wide by
Buildroot.
config BR2_PACKAGE_OPENCV4_JPEG2000_WITH_OPENJPEG
bool "openjpeg"
select BR2_PACKAGE_OPENJPEG
help
Enable jpeg2000 support through openjpeg.
Note: this does not use the openjpeg bundled with opencv,
but uses the openjpeg package installed system-wide by
Buildroot.
endchoice
config BR2_PACKAGE_OPENCV4_WITH_JPEG
bool "jpeg support"
select BR2_PACKAGE_JPEG
help
Use shared libjpeg from the target system.
config BR2_PACKAGE_OPENCV4_WITH_PNG
bool "png support"
select BR2_PACKAGE_LIBPNG
help
Use shared libpng from the target system.
config BR2_PACKAGE_OPENCV4_WITH_PROTOBUF
bool "protobuf support"
depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS # protobuf
select BR2_PACKAGE_PROTOBUF
help
Use shared protobuf from the target system.
config BR2_PACKAGE_OPENCV4_WITH_TIFF
bool "tiff support"
select BR2_PACKAGE_TIFF
help
Use shared libtiff from the target system.
config BR2_PACKAGE_OPENCV4_WITH_V4L
bool "v4l support"
help
Enable Video 4 Linux support.
If the package libv4l is enabled, its support is
automatically enabled.
config BR2_PACKAGE_OPENCV4_WITH_WEBP
bool "webp support"
select BR2_PACKAGE_WEBP
help
Enable WebP support.
Use shared libwebp from the target system.
comment "Install options"
config BR2_PACKAGE_OPENCV4_INSTALL_DATA
bool "install extra data"
help
Install various data that is used by cv libraries and/or
demo applications, specifically for haarcascades and
lbpcascades features.
For further information: see OpenCV documentation.
endif # BR2_PACKAGE_OPENCV4
comment "opencv4 needs a toolchain w/ C++, NPTL, wchar, dynamic library, gcc >= 4.8"
depends on BR2_TOOLCHAIN_HAS_ATOMIC
depends on !BR2_INSTALL_LIBSTDCPP || \
!BR2_USE_WCHAR || \
!BR2_TOOLCHAIN_HAS_THREADS_NPTL || \
BR2_STATIC_LIBS || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8

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@ -0,0 +1,3 @@
# Locally calculated
sha256 e27fe5b168918ab60d58d7ace2bd82dd14a4d0bd1d3ae182952c2113f5637513 opencv4-4.5.1.tar.gz
sha256 cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30 LICENSE

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package/opencv4/opencv4.mk Normal file
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@ -0,0 +1,375 @@
################################################################################
#
# opencv4
#
################################################################################
OPENCV4_VERSION = 4.5.1
OPENCV4_SITE = $(call github,opencv,opencv,$(OPENCV4_VERSION))
OPENCV4_INSTALL_STAGING = YES
OPENCV4_LICENSE = Apache-2.0
OPENCV4_LICENSE_FILES = LICENSE
OPENCV4_SUPPORTS_IN_SOURCE_BUILD = NO
OPENCV4_CXXFLAGS = $(TARGET_CXXFLAGS)
# Uses __atomic_fetch_add_4
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
OPENCV4_CXXFLAGS += -latomic
endif
# Fix c++11 build with missing std::exception_ptr
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_64735),y)
OPENCV4_CXXFLAGS += -DCV__EXCEPTION_PTR=0
endif
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_68485),y)
OPENCV4_CXXFLAGS += -O0
endif
# OpenCV component options
OPENCV4_CONF_OPTS += \
-DCMAKE_CXX_FLAGS="$(OPENCV4_CXXFLAGS)" \
-DBUILD_DOCS=OFF \
-DBUILD_PERF_TESTS=$(if $(BR2_PACKAGE_OPENCV4_BUILD_PERF_TESTS),ON,OFF) \
-DBUILD_TESTS=$(if $(BR2_PACKAGE_OPENCV4_BUILD_TESTS),ON,OFF) \
-DBUILD_WITH_DEBUG_INFO=OFF \
-DDOWNLOAD_EXTERNAL_TEST_DATA=OFF \
-DOPENCV_GENERATE_PKGCONFIG=ON \
-DOPENCV_ENABLE_PKG_CONFIG=ON
ifeq ($(BR2_PACKAGE_OPENCV4_BUILD_TESTS)$(BR2_PACKAGE_OPENCV4_BUILD_PERF_TESTS),)
OPENCV4_CONF_OPTS += -DINSTALL_TEST=OFF
else
OPENCV4_CONF_OPTS += -DINSTALL_TEST=ON
endif
# OpenCV build options
OPENCV4_CONF_OPTS += \
-DBUILD_WITH_STATIC_CRT=OFF \
-DENABLE_COVERAGE=OFF \
-DENABLE_FAST_MATH=ON \
-DENABLE_IMPL_COLLECTION=OFF \
-DENABLE_NOISY_WARNINGS=OFF \
-DENABLE_OMIT_FRAME_POINTER=ON \
-DENABLE_PRECOMPILED_HEADERS=OFF \
-DENABLE_PROFILING=OFF \
-DOPENCV_WARNINGS_ARE_ERRORS=OFF
# OpenCV link options
OPENCV4_CONF_OPTS += \
-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=OFF \
-DCMAKE_SKIP_RPATH=OFF \
-DCMAKE_USE_RELATIVE_PATHS=OFF
# OpenCV packaging options:
OPENCV4_CONF_OPTS += \
-DBUILD_PACKAGE=OFF \
-DENABLE_SOLUTION_FOLDERS=OFF \
-DINSTALL_CREATE_DISTRIB=OFF
# OpenCV module selection
# * Modules on:
# - core: if not set, opencv does not build anything
# - hal: core's dependency
# * Modules off:
# - android*: android stuff
# - apps: programs for training classifiers
# - java: java bindings
# - viz: missing VTK dependency
# - world: all-in-one module
#
# * Contrib modules from [1] are disabled:
# - opencv_contrib package is not available in Buildroot;
# - OPENCV_EXTRA_MODULES_PATH is not set.
#
# [1] https://github.com/Itseez/opencv_contrib
OPENCV4_CONF_OPTS += \
-DBUILD_opencv_androidcamera=OFF \
-DBUILD_opencv_apps=OFF \
-DBUILD_opencv_calib3d=$(if $(BR2_PACKAGE_OPENCV4_LIB_CALIB3D),ON,OFF) \
-DBUILD_opencv_core=ON \
-DBUILD_opencv_features2d=$(if $(BR2_PACKAGE_OPENCV4_LIB_FEATURES2D),ON,OFF) \
-DBUILD_opencv_flann=$(if $(BR2_PACKAGE_OPENCV4_LIB_FLANN),ON,OFF) \
-DBUILD_opencv_highgui=$(if $(BR2_PACKAGE_OPENCV4_LIB_HIGHGUI),ON,OFF) \
-DBUILD_opencv_imgcodecs=$(if $(BR2_PACKAGE_OPENCV4_LIB_IMGCODECS),ON,OFF) \
-DBUILD_opencv_imgproc=$(if $(BR2_PACKAGE_OPENCV4_LIB_IMGPROC),ON,OFF) \
-DBUILD_opencv_java=OFF \
-DBUILD_opencv_ml=$(if $(BR2_PACKAGE_OPENCV4_LIB_ML),ON,OFF) \
-DBUILD_opencv_objdetect=$(if $(BR2_PACKAGE_OPENCV4_LIB_OBJDETECT),ON,OFF) \
-DBUILD_opencv_photo=$(if $(BR2_PACKAGE_OPENCV4_LIB_PHOTO),ON,OFF) \
-DBUILD_opencv_shape=$(if $(BR2_PACKAGE_OPENCV4_LIB_SHAPE),ON,OFF) \
-DBUILD_opencv_stitching=$(if $(BR2_PACKAGE_OPENCV4_LIB_STITCHING),ON,OFF) \
-DBUILD_opencv_superres=$(if $(BR2_PACKAGE_OPENCV4_LIB_SUPERRES),ON,OFF) \
-DBUILD_opencv_ts=$(if $(BR2_PACKAGE_OPENCV4_LIB_TS),ON,OFF) \
-DBUILD_opencv_video=$(if $(BR2_PACKAGE_OPENCV4_LIB_VIDEO),ON,OFF) \
-DBUILD_opencv_videoio=$(if $(BR2_PACKAGE_OPENCV4_LIB_VIDEOIO),ON,OFF) \
-DBUILD_opencv_videostab=$(if $(BR2_PACKAGE_OPENCV4_LIB_VIDEOSTAB),ON,OFF) \
-DBUILD_opencv_viz=OFF \
-DBUILD_opencv_world=OFF
# Hardware support options.
#
# * PowerPC and VFPv3 support are turned off since their only effects
# are altering CFLAGS, adding '-mcpu=G3 -mtune=G5' or '-mfpu=vfpv3'
# to them, which is already handled by Buildroot.
# * NEON logic is needed as it is not only used to add CFLAGS, but
# also to enable additional NEON code.
OPENCV4_CONF_OPTS += \
-DENABLE_POWERPC=OFF \
-DENABLE_NEON=$(if $(BR2_ARM_CPU_HAS_NEON),ON,OFF) \
-DENABLE_VFPV3=OFF
# Cuda stuff
OPENCV4_CONF_OPTS += \
-DBUILD_CUDA_STUBS=OFF \
-DBUILD_opencv_cudaarithm=OFF \
-DBUILD_opencv_cudabgsegm=OFF \
-DBUILD_opencv_cudacodec=OFF \
-DBUILD_opencv_cudafeatures2d=OFF \
-DBUILD_opencv_cudafilters=OFF \
-DBUILD_opencv_cudaimgproc=OFF \
-DBUILD_opencv_cudalegacy=OFF \
-DBUILD_opencv_cudaobjdetect=OFF \
-DBUILD_opencv_cudaoptflow=OFF \
-DBUILD_opencv_cudastereo=OFF \
-DBUILD_opencv_cudawarping=OFF \
-DBUILD_opencv_cudev=OFF \
-DWITH_CUBLAS=OFF \
-DWITH_CUDA=OFF \
-DWITH_CUFFT=OFF
# NVidia stuff
OPENCV4_CONF_OPTS += -DWITH_NVCUVID=OFF
# AMD stuff
OPENCV4_CONF_OPTS += \
-DWITH_OPENCLAMDBLAS=OFF \
-DWITH_OPENCLAMDFFT=OFF
# Intel stuff
OPENCV4_CONF_OPTS += \
-DBUILD_WITH_DYNAMIC_IPP=OFF \
-DWITH_INTELPERC=OFF \
-DWITH_IPP=OFF \
-DWITH_IPP_A=OFF \
-DWITH_TBB=OFF
# Smartek stuff
OPENCV4_CONF_OPTS += -DWITH_GIGEAPI=OFF
# Prosilica stuff
OPENCV4_CONF_OPTS += -DWITH_PVAPI=OFF
# Ximea stuff
OPENCV4_CONF_OPTS += -DWITH_XIMEA=OFF
# Non-Linux support (Android options) must remain OFF:
OPENCV4_CONF_OPTS += \
-DANDROID=OFF \
-DBUILD_ANDROID_CAMERA_WRAPPER=OFF \
-DBUILD_ANDROID_EXAMPLES=OFF \
-DBUILD_ANDROID_SERVICE=OFF \
-DBUILD_FAT_JAVA_LIB=OFF \
-DINSTALL_ANDROID_EXAMPLES=OFF \
-DWITH_ANDROID_CAMERA=OFF
# Non-Linux support (Mac OSX options) must remain OFF:
OPENCV4_CONF_OPTS += \
-DWITH_AVFOUNDATION=OFF \
-DWITH_CARBON=OFF \
-DWITH_QUICKTIME=OFF
# Non-Linux support (Windows options) must remain OFF:
OPENCV4_CONF_OPTS += \
-DWITH_CSTRIPES=OFF \
-DWITH_DSHOW=OFF \
-DWITH_MSMF=OFF \
-DWITH_VFW=OFF \
-DWITH_VIDEOINPUT=OFF \
-DWITH_WIN32UI=OFF
# Software/3rd-party support options:
# - disable all examples
OPENCV4_CONF_OPTS += \
-DBUILD_EXAMPLES=OFF \
-DBUILD_JASPER=OFF \
-DBUILD_JPEG=OFF \
-DBUILD_OPENEXR=OFF \
-DBUILD_OPENJPEG=OFF \
-DBUILD_PNG=OFF \
-DBUILD_PROTOBUF=OFF \
-DBUILD_TIFF=OFF \
-DBUILD_ZLIB=OFF \
-DINSTALL_C_EXAMPLES=OFF \
-DINSTALL_PYTHON_EXAMPLES=OFF \
-DINSTALL_TO_MANGLED_PATHS=OFF
# Disabled features (mostly because they are not available in Buildroot), but
# - eigen: OpenCV does not use it, not take any benefit from it.
OPENCV4_CONF_OPTS += \
-DWITH_1394=OFF \
-DWITH_CLP=OFF \
-DWITH_EIGEN=OFF \
-DWITH_GDAL=OFF \
-DWITH_GPHOTO2=OFF \
-DWITH_GSTREAMER_0_10=OFF \
-DWITH_LAPACK=OFF \
-DWITH_MATLAB=OFF \
-DWITH_OPENCL=OFF \
-DWITH_OPENCL_SVM=OFF \
-DWITH_OPENEXR=OFF \
-DWITH_OPENNI2=OFF \
-DWITH_OPENNI=OFF \
-DWITH_UNICAP=OFF \
-DWITH_VA=OFF \
-DWITH_VA_INTEL=OFF \
-DWITH_VTK=OFF \
-DWITH_XINE=OFF
OPENCV4_DEPENDENCIES += host-pkgconf zlib
ifeq ($(BR2_PACKAGE_OPENCV4_JPEG2000_WITH_JASPER),y)
OPENCV4_CONF_OPTS += -DWITH_JASPER=ON
OPENCV4_DEPENDENCIES += jasper
else
OPENCV4_CONF_OPTS += -DWITH_JASPER=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_JPEG2000_WITH_OPENJPEG),y)
OPENCV4_CONF_OPTS += -DWITH_OPENJPEG=ON
OPENCV4_DEPENDENCIES += openjpeg
else
OPENCV4_CONF_OPTS += -DWITH_OPENJPEG=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_FFMPEG),y)
OPENCV4_CONF_OPTS += -DWITH_FFMPEG=ON
OPENCV4_DEPENDENCIES += ffmpeg bzip2
else
OPENCV4_CONF_OPTS += -DWITH_FFMPEG=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_GSTREAMER1),y)
OPENCV4_CONF_OPTS += -DWITH_GSTREAMER=ON
OPENCV4_DEPENDENCIES += gstreamer1 gst1-plugins-base
else
OPENCV4_CONF_OPTS += -DWITH_GSTREAMER=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_GTK)$(BR2_PACKAGE_OPENCV4_WITH_GTK3),)
OPENCV4_CONF_OPTS += -DWITH_GTK=OFF -DWITH_GTK_2_X=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_GTK),y)
OPENCV4_CONF_OPTS += -DWITH_GTK=ON -DWITH_GTK_2_X=ON
OPENCV4_DEPENDENCIES += libgtk2
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_GTK3),y)
OPENCV4_CONF_OPTS += -DWITH_GTK=ON -DWITH_GTK_2_X=OFF
OPENCV4_DEPENDENCIES += libgtk3
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_JPEG),y)
OPENCV4_CONF_OPTS += -DWITH_JPEG=ON
OPENCV4_DEPENDENCIES += jpeg
else
OPENCV4_CONF_OPTS += -DWITH_JPEG=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_OPENGL),y)
OPENCV4_CONF_OPTS += -DWITH_OPENGL=ON
OPENCV4_DEPENDENCIES += libgl
else
OPENCV4_CONF_OPTS += -DWITH_OPENGL=OFF
endif
OPENCV4_CONF_OPTS += -DWITH_OPENMP=$(if $(BR2_TOOLCHAIN_HAS_OPENMP),ON,OFF)
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_PNG),y)
OPENCV4_CONF_OPTS += -DWITH_PNG=ON
OPENCV4_DEPENDENCIES += libpng
else
OPENCV4_CONF_OPTS += -DWITH_PNG=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_PROTOBUF),y)
OPENCV4_CONF_OPTS += \
-DPROTOBUF_UPDATE_FILES=ON \
-DWITH_PROTOBUF=ON
OPENCV4_DEPENDENCIES += protobuf
else
OPENCV4_CONF_OPTS += -DWITH_PROTOBUF=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_QT5),y)
OPENCV4_CONF_OPTS += -DWITH_QT=5
OPENCV4_DEPENDENCIES += qt5base
else
OPENCV4_CONF_OPTS += -DWITH_QT=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_TIFF),y)
OPENCV4_CONF_OPTS += -DWITH_TIFF=ON
OPENCV4_DEPENDENCIES += tiff
else
OPENCV4_CONF_OPTS += -DWITH_TIFF=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_V4L),y)
OPENCV4_CONF_OPTS += \
-DWITH_LIBV4L=$(if $(BR2_PACKAGE_LIBV4L),ON,OFF) \
-DWITH_V4L=ON
OPENCV4_DEPENDENCIES += $(if $(BR2_PACKAGE_LIBV4L),libv4l)
else
OPENCV4_CONF_OPTS += -DWITH_V4L=OFF -DWITH_LIBV4L=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_WITH_WEBP),y)
OPENCV4_CONF_OPTS += -DWITH_WEBP=ON
OPENCV4_DEPENDENCIES += webp
else
OPENCV4_CONF_OPTS += -DWITH_WEBP=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV4_LIB_PYTHON),y)
OPENCV4_CONF_OPTS += \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=ON \
-DPYTHON3_EXECUTABLE=$(HOST_DIR)/bin/python3 \
-DPYTHON3_INCLUDE_PATH=$(STAGING_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR) \
-DPYTHON3_LIBRARIES=$(STAGING_DIR)/usr/lib/libpython$(PYTHON3_VERSION_MAJOR).so \
-DPYTHON3_NUMPY_INCLUDE_DIRS=$(STAGING_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/numpy/core/include \
-DPYTHON3_PACKAGES_PATH=/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
-DPYTHON3_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
OPENCV4_DEPENDENCIES += python3
OPENCV4_KEEP_PY_FILES += usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/cv2/config*.py
OPENCV4_CONF_ENV += $(PKG_PYTHON_DISTUTILS_ENV)
OPENCV4_DEPENDENCIES += python-numpy
else
OPENCV4_CONF_OPTS += \
-DBUILD_opencv_python2=OFF \
-DBUILD_opencv_python3=OFF
endif
# Installation hooks:
define OPENCV4_CLEAN_INSTALL_LICENSE
$(RM) -fr $(TARGET_DIR)/usr/share/licenses/opencv4
endef
OPENCV4_POST_INSTALL_TARGET_HOOKS += OPENCV4_CLEAN_INSTALL_LICENSE
define OPENCV4_CLEAN_INSTALL_VALGRIND
$(RM) -f $(TARGET_DIR)/usr/share/opencv4/valgrind*
endef
OPENCV4_POST_INSTALL_TARGET_HOOKS += OPENCV4_CLEAN_INSTALL_VALGRIND
ifneq ($(BR2_PACKAGE_OPENCV4_INSTALL_DATA),y)
define OPENCV4_CLEAN_INSTALL_DATA
$(RM) -fr $(TARGET_DIR)/usr/share/opencv4/haarcascades \
$(TARGET_DIR)/usr/share/opencv4/lbpcascades
endef
OPENCV4_POST_INSTALL_TARGET_HOOKS += OPENCV4_CLEAN_INSTALL_DATA
endif
$(eval $(cmake-package))