[Buildroot] [PATCH v5 07/13] package/opencv: add python support
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Jun 7 12:22:16 UTC 2015
Samuel, All,
On 2015-06-07 12:26 +0200, Samuel Martin spake thusly:
> opencv_python module needs python-numpy because it uses some numpy
> headers in this wrapper.
>
> From its 2.4 release, OpenCV offers python bindings, but they required
> most of the OpenCV modules to be enabled.
>
> Since OpenCV-3.0.0, python bindings have been reworked:
> - it now supports both python2 and python3
> - only built modules supporting wrapped in python will be included in
> the bindings.
>
> Signed-off-by: Samuel Martin <s.martin49 at gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Regards,
Yann E. MORIN.
> ---
> changes v4->v5:
> - rebase
> - update commit log
> - fix python-numpy selection
> - add python3 support
>
> changes v3->v4:
> - rebase
> - rename _OPT -> _OPTS
> - remove python/numpy patch (merged upstream since opencv bump)
>
> changes v2->v3:
> - rebase
> - add fetch uri in the opencv's patch (Yann)
> - move pyhton module knob under the multi-line if block about python deps
> (Yann)
>
> changes v1->v2:
> - rebase
> - use patch merged upstream
> ---
> package/opencv/Config.in | 12 +++++++++++-
> package/opencv/opencv.mk | 33 +++++++++++++++++++++++++++++++--
> 2 files changed, 42 insertions(+), 3 deletions(-)
>
> diff --git a/package/opencv/Config.in b/package/opencv/Config.in
> index 4866780..db950f4 100644
> --- a/package/opencv/Config.in
> +++ b/package/opencv/Config.in
> @@ -83,7 +83,17 @@ config BR2_PACKAGE_OPENCV_LIB_PHOTO
> help
> Include opencv_photo module into the OpenCV build.
>
> -comment "opencv_python module requires numpy which is not yet available."
> +config BR2_PACKAGE_OPENCV_LIB_PYTHON
> + bool "python"
> + depends on BR2_PACKAGE_PYTHON || BR2_PACKAGE_PYTHON3
> + depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 \
> + || BR2_mips || BR2_mipsel || BR2_powerpc || BR2_powerpc64 \
> + || BR2_sh || BR2_x86_64 # python-numpy
> + depends on !BR2_TOOLCHAIN_USES_UCLIBC || BR2_i386 || BR2_x86_64 # python-numpy
> + select BR2_PACKAGE_PYTHON_NUMPY
> + help
> + Include opencv_python module into the OpenCV build.
> + No python example is installed.
>
> config BR2_PACKAGE_OPENCV_LIB_SHAPE
> bool "shape (shape descriptors and matchers)"
> diff --git a/package/opencv/opencv.mk b/package/opencv/opencv.mk
> index 07bc893..aa972dc 100644
> --- a/package/opencv/opencv.mk
> +++ b/package/opencv/opencv.mk
> @@ -64,8 +64,6 @@ OPENCV_CONF_OPTS += \
> -DBUILD_opencv_ml=$(if $(BR2_PACKAGE_OPENCV_LIB_ML),ON,OFF) \
> -DBUILD_opencv_objdetect=$(if $(BR2_PACKAGE_OPENCV_LIB_OBJDETECT),ON,OFF) \
> -DBUILD_opencv_photo=$(if $(BR2_PACKAGE_OPENCV_LIB_PHOTO),ON,OFF) \
> - -DBUILD_opencv_python2=OFF \
> - -DBUILD_opencv_python3=OFF \
> -DBUILD_opencv_shape=$(if $(BR2_PACKAGE_OPENCV_LIB_SHAPE),ON,OFF) \
> -DBUILD_opencv_stitching=$(if $(BR2_PACKAGE_OPENCV_LIB_STITCHING),ON,OFF) \
> -DBUILD_opencv_superres=$(if $(BR2_PACKAGE_OPENCV_LIB_SUPERRES),ON,OFF) \
> @@ -270,6 +268,37 @@ else
> OPENCV_CONF_OPTS += -DWITH_V4L=OFF -DWITH_LIBV4L=OFF
> endif
>
> +ifeq ($(BR2_PACKAGE_OPENCV_LIB_PYTHON),y)
> +ifeq ($(BR2_PACKAGE_PYTHON),y)
> +OPENCV_CONF_OPTS += \
> + -DBUILD_opencv_python2=ON \
> + -DBUILD_opencv_python3=OFF \
> + -DPYTHON2_EXECUTABLE=$(HOST_DIR)/usr/bin/python2 \
> + -DPYTHON2_INCLUDE_PATH=$(STAGING_DIR)/usr/include/python$(PYTHON_VERSION_MAJOR) \
> + -DPYTHON2_LIBRARIES=$(STAGING_DIR)/usr/lib/libpython$(PYTHON_VERSION_MAJOR).so \
> + -DPYTHON2_NUMPY_INCLUDE_DIRS=$(STAGING_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/numpy/core/include \
> + -DPYTHON2_PACKAGES_PATH=/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages \
> + -DPYTHON2_NUMPY_VERSION=$(PYTHON_NUMPY_VERSION)
> +OPENCV_DEPENDENCIES += python
> +else
> +OPENCV_CONF_OPTS += \
> + -DBUILD_opencv_python2=OFF \
> + -DBUILD_opencv_python3=ON \
> + -DPYTHON3_EXECUTABLE=$(HOST_DIR)/usr/bin/python3 \
> + -DPYTHON3_INCLUDE_PATH=$(STAGING_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR)m \
> + -DPYTHON3_LIBRARIES=$(STAGING_DIR)/usr/lib/libpython$(PYTHON3_VERSION_MAJOR)m.so \
> + -DPYTHON3_NUMPY_INCLUDE_DIRS=$(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)
> +OPENCV_DEPENDENCIES += python3
> +endif
> +OPENCV_DEPENDENCIES += python-numpy
> +else
> +OPENCV_CONF_OPTS += \
> + -DBUILD_opencv_python2=OFF \
> + -DBUILD_opencv_python3=OFF
> +endif
> +
> # Installation hooks:
> define OPENCV_CLEAN_INSTALL_DOC
> $(RM) -fr $(TARGET_DIR)/usr/share/OpenCV/doc
> --
> 2.4.2
>
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