[Buildroot] [PATCH v5 07/13] package/opencv: add python support
Samuel Martin
s.martin49 at gmail.com
Sun Jun 7 10:26:33 UTC 2015
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>
---
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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