[Buildroot] [PATCH v5] package: add opencv

[Buildroot] [PATCH v5] package: add opencv

[Samuel Martin]

OpenCV is a free, open-source, cross-platform computer vision library

Changelog:
 v1: initial submission
 v2: changes according to Thomas Petazonni's review:
     - remove obvious unneeded options
     - typo and style fixes
     - do not use 3RDPARTY_LIBS
 v3: changes according to Thomas Petazonni's review:
     - typo and style fixes
     - remove host package (not needed)
 v4: update CMAKETARGET call to follow the infra.
 v5: - add post install hooks (following Mike Davies' remarks):
       - do not install doc
       - do not install OpenCVConfig.cmake in the target
     - optionally install data in the target
     - remove the 'Build examples' option (only install source files)
     - disable precompiled header usage (automacally disabled when
       compiler size optimization is set)

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
---
 package/Config.in        |    1 +
 package/opencv/Config.in |   77 ++++++++++++++++++++++++++++++++++++++++++++
 package/opencv/opencv.mk |   80 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 158 insertions(+), 0 deletions(-)
 create mode 100644 package/opencv/Config.in
 create mode 100644 package/opencv/opencv.mk

diff --git a/package/Config.in b/package/Config.in
index 3b2769d..c6ca350 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -297,6 +297,7 @@ source "package/libraw/Config.in"
 source "package/librsvg/Config.in"
 source "package/libsvgtiny/Config.in"
 source "package/libungif/Config.in"
+source "package/opencv/Config.in"
 source "package/pango/Config.in"
 source "package/pixman/Config.in"
 source "package/tiff/Config.in"
diff --git a/package/opencv/Config.in b/package/opencv/Config.in
new file mode 100644
index 0000000..41cb6c8
--- /dev/null
+++ b/package/opencv/Config.in
@@ -0,0 +1,77 @@
+menuconfig BR2_PACKAGE_OPENCV
+	bool "opencv"
+	select BR2_PACKAGE_ZLIB
+	help
+	  OpenCV (Open Source Computer Vision) is a library of programming
+	  functions for real time computer vision.
+
+	  http://opencv.willowgarage.com/wiki/
+
+if BR2_PACKAGE_OPENCV
+
+comment "Built targets"
+
+config BR2_PACKAGE_OPENCV_BUILD_NEW_PYTHON_SUPPORT
+	bool "Python support"
+	select BR2_PACKAGE_PYTHON
+
+config BR2_PACKAGE_OPENCV_BUILD_TESTS
+	bool "Tests"
+
+comment "Install options"
+
+config BR2_PACKAGE_OPENCV_INSTALL_DATA
+	bool "Install 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.
+
+comment "Build options"
+
+config BR2_PACKAGE_OPENCV_WITH_FFMPEG
+	bool "FFMPEG support"
+	select BR2_PACKAGE_FFMPEG
+	select BR2_PACKAGE_FFMPEG_SWSCALE
+	help
+	  Use ffmpeg from the target system.
+
+config BR2_PACKAGE_OPENCV_WITH_GSTREAMER
+	bool "Gstreamer support"
+	select BR2_PACKAGE_GSTREAMER
+	select BR2_PACKAGE_GST_PLUGINS_BASE
+	select BR2_PACKAGE_GST_PLUGINS_BASE_PLUGIN_APP
+
+config BR2_PACKAGE_OPENCV_WITH_GTK
+	bool "GTK support"
+	depends on BR2_PACKAGE_LIBGTK2 && BR2_PACKAGE_LIBGLIB2
+
+config BR2_PACKAGE_OPENCV_WITH_JPEG
+	bool "JPEG support"
+	select BR2_PACKAGE_JPEG
+	help
+	  Use shared libjpeg from the target system.
+
+config BR2_PACKAGE_OPENCV_WITH_PNG
+	bool "PNG support"
+	select BR2_PACKAGE_LIBPNG
+	help
+	  Use shared libpng from the target system.
+
+config BR2_PACKAGE_OPENCV_WITH_QT
+	bool "Qt Backend support"
+	select BR2_PACKAGE_QT
+
+config BR2_PACKAGE_OPENCV_WITH_TIFF
+	bool "TIFF support"
+	select BR2_PACKAGE_TIFF
+	help
+	  Use shared libtiff from the target system.
+
+config BR2_PACKAGE_OPENCV_WITH_V4L
+	bool "Video 4 Linux support"
+	select BR2_PACKAGE_LIBV4L
+	default y
+
+endif
diff --git a/package/opencv/opencv.mk b/package/opencv/opencv.mk
new file mode 100644
index 0000000..48add1e
--- /dev/null
+++ b/package/opencv/opencv.mk
@@ -0,0 +1,80 @@
+#############################################################
+#
+# OpenCV (Open Source Computer Vision)
+#
+#############################################################
+OPENCV_SERIES  = 2.3
+OPENCV_VERSION = $(OPENCV_SERIES).0
+OPENCV_SITE    = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/project/opencvlibrary/opencv-unix/$(OPENCV_SERIES)
+OPENCV_SOURCE  = OpenCV-$(OPENCV_VERSION).tar.bz2
+OPENCV_INSTALL_STAGING = YES
+
+# Build type
+OPENCV_CONF_OPT += -DCMAKE_BUILD_TYPE=$(if $(BR2_ENABLE_DEBUG),Debug,Release)
+# Built targets
+OPENCV_CONF_OPT += -DBUILD_DOCS=OFF
+OPENCV_CONF_OPT += -DBUILD_EXAMPLES=OFF
+OPENCV_CONF_OPT += -DBUILD_NEW_PYTHON_SUPPORT=$(if $(BR2_PACKAGE_OPENCV_BUILD_NEW_PYTHON_SUPPORT),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_BUILD_NEW_PYTHON_SUPPORT),python host-python,)
+OPENCV_CONF_OPT += -DBUILD_PACKAGE=OFF
+OPENCV_CONF_OPT += -DBUILD_TESTS=$(if $(BR2_PACKAGE_OPENCV_BUILD_TESTS),ON,OFF)
+# Build options
+OPENCV_CONF_OPT += -DBUILD_SHARED_LIBS=$(if $(BR2_PREFER_STATIC_LIB),OFF,ON)
+OPENCV_CONF_OPT += -DOPENCV_BUILD_3RDPARTY_LIBS=OFF
+OPENCV_CONF_OPT += -DENABLE_PROFILING=OFF
+OPENCV_CONF_OPT += -DCMAKE_SKIP_RPATH=OFF
+OPENCV_CONF_OPT += -DUSE_FAST_MATH=ON
+OPENCV_CONF_OPT += -DUSE_OMIT_FRAME_POINTER=ON
+OPENCV_CONF_OPT += -DUSE_PRECOMPILED_HEADERS=OFF
+OPENCV_CONF_OPT += -DWITH_1394=OFF
+OPENCV_CONF_OPT += -DWITH_CUDA=OFF
+OPENCV_CONF_OPT += -DWITH_EIGEN=OFF
+OPENCV_CONF_OPT += -DWITH_FFMPEG=$(if $(BR2_PACKAGE_OPENCV_WITH_FFMPEG),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_FFMPEG),ffmpeg,)
+OPENCV_CONF_OPT += -DWITH_GSTREAMER=$(if $(BR2_PACKAGE_OPENCV_WITH_GSTREAMER),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_GSTREAMER),gstreamer gst-plugins-base,)
+OPENCV_CONF_OPT += -DWITH_GTK=$(if $(BR2_PACKAGE_OPENCV_WITH_GTK),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_GTK),libgtk2 libglib2,)
+OPENCV_CONF_OPT += -DWITH_IPP=OFF
+OPENCV_CONF_OPT += -DWITH_JASPER=OFF
+OPENCV_CONF_OPT += -DWITH_JPEG=$(if $(BR2_PACKAGE_OPENCV_WITH_JPEG),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_JPEG),jpeg,)
+OPENCV_CONF_OPT += -DWITH_OPENEXR=OFF
+OPENCV_CONF_OPT += -DWITH_OPENNI=OFF
+OPENCV_CONF_OPT += -DWITH_PNG=$(if $(BR2_PACKAGE_OPENCV_WITH_PNG),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_PNG),libpng,)
+OPENCV_CONF_OPT += -DWITH_PVAPI=OFF
+OPENCV_CONF_OPT += -DWITH_QT=$(if $(BR2_PACKAGE_OPENCV_WITH_QT),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_QT),qt,)
+OPENCV_CONF_OPT += -DWITH_QT_OPENGL=OFF
+OPENCV_CONF_OPT += -DWITH_TBB=OFF
+OPENCV_CONF_OPT += -DWITH_TIFF=$(if $(BR2_PACKAGE_OPENCV_WITH_TIFF),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_TIFF),tiff,)
+OPENCV_CONF_OPT += -DWITH_UNICAP=OFF
+OPENCV_CONF_OPT += -DWITH_V4L=$(if $(BR2_PACKAGE_OPENCV_WITH_V4L),ON,OFF)
+OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_OPENCV_WITH_V4L),libv4l,)
+OPENCV_CONF_OPT += -DWITH_XINE=OFF
+# Install options
+OPENCV_CONF_OPT += -DINSTALL_C_EXAMPLES=OFF
+OPENCV_CONF_OPT += -DINSTALL_PYTHON_EXAMPLES=OFF
+
+define OPENCV_CLEAN_INSTALL_DOC
+	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/doc
+endef
+
+define OPENCV_CLEAN_INSTALL_CMAKE
+	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/*.cmake
+endef
+
+define OPENCV_CLEAN_INSTALL_DATA
+	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/haarcascades \
+		$(TARGET_DIR)/usr/share/opencv/lbpcascades
+endef
+
+OPENCV_POST_INSTALL_TARGET_HOOKS += OPENCV_CLEAN_INSTALL_DOC OPENCV_CLEAN_INSTALL_CMAKE
+OPENCV_POST_INSTALL_TARGET_HOOKS += $(if $(BR2_PACKAGE_OPENCV_INSTALL_DATA),,OPENCV_CLEAN_INSTALL_DATA)
+
+OPENCV_POST_INSTALL_STAGING_HOOKS += OPENCV_CLEAN_INSTALL_DOC
+OPENCV_POST_INSTALL_STAGING_HOOKS += $(if $(BR2_PACKAGE_OPENCV_INSTALL_DATA),,OPENCV_CLEAN_INSTALL_DATA)
+
+$(eval $(call CMAKETARGETS))
-- 
1.7.0.4

[Buildroot] [PATCH v5] package: add opencv

[Peter Korsgaard]

>>>>> "Samuel" == Samuel Martin <s.martin49@gmail.com> writes:

 Samuel> OpenCV is a free, open-source, cross-platform computer vision library
 Samuel> Changelog:
 Samuel>  v1: initial submission
 Samuel>  v2: changes according to Thomas Petazonni's review:
 Samuel>      - remove obvious unneeded options
 Samuel>      - typo and style fixes
 Samuel>      - do not use 3RDPARTY_LIBS
 Samuel>  v3: changes according to Thomas Petazonni's review:
 Samuel>      - typo and style fixes
 Samuel>      - remove host package (not needed)
 Samuel>  v4: update CMAKETARGET call to follow the infra.
 Samuel>  v5: - add post install hooks (following Mike Davies' remarks):
 Samuel>        - do not install doc
 Samuel>        - do not install OpenCVConfig.cmake in the target
 Samuel>      - optionally install data in the target
 Samuel>      - remove the 'Build examples' option (only install source files)
 Samuel>      - disable precompiled header usage (automacally disabled when
 Samuel>        compiler size optimization is set)

Thanks, committed with some changes (see below)

 Samuel> +menuconfig BR2_PACKAGE_OPENCV

I prefer config rather than yet another submenu.

 Samuel> +	bool "opencv"
 Samuel> +	select BR2_PACKAGE_ZLIB

opencv uses C++ and needs wchar, so you need to depend on
BR2_INSTALL_LIBSTDCPP / show a comment when they aren't available in the
toolchain.

 Samuel> +	help
 Samuel> +	  OpenCV (Open Source Computer Vision) is a library of programming
 Samuel> +	  functions for real time computer vision.
 Samuel> +
 Samuel> +	  http://opencv.willowgarage.com/wiki/
 Samuel> +
 Samuel> +if BR2_PACKAGE_OPENCV
 Samuel> +
 Samuel> +comment "Built targets"
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_BUILD_NEW_PYTHON_SUPPORT
 Samuel> +	bool "Python support"
 Samuel> +	select BR2_PACKAGE_PYTHON

This should only be shown if python is enabled already, similar to the
gtk/qt options. It imho also belongs down there.

 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_BUILD_TESTS
 Samuel> +	bool "Tests"

config descriptions are normally in lower case.

 Samuel> +
 Samuel> +comment "Install options"
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_INSTALL_DATA
 Samuel> +	bool "Install data"

I made this "install extra data" to make it clear that this isn't
necessarily needed.

 Samuel> +	help
 Samuel> +	  Install various data that is used by cv libraries and/or demo
 Samuel> +	  applications, specifically for haarcascades and lbpcascades features.
 Samuel> +
 Samuel> +	  For further information: see OpenCV documentation.
 Samuel> +
 Samuel> +comment "Build options"
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_FFMPEG
 Samuel> +	bool "FFMPEG support"
 Samuel> +	select BR2_PACKAGE_FFMPEG
 Samuel> +	select BR2_PACKAGE_FFMPEG_SWSCALE
 Samuel> +	help
 Samuel> +	  Use ffmpeg from the target system.
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_GSTREAMER
 Samuel> +	bool "Gstreamer support"
 Samuel> +	select BR2_PACKAGE_GSTREAMER
 Samuel> +	select BR2_PACKAGE_GST_PLUGINS_BASE
 Samuel> +	select BR2_PACKAGE_GST_PLUGINS_BASE_PLUGIN_APP
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_GTK
 Samuel> +	bool "GTK support"
 Samuel> +	depends on BR2_PACKAGE_LIBGTK2 && BR2_PACKAGE_LIBGLIB2
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_JPEG
 Samuel> +	bool "JPEG support"
 Samuel> +	select BR2_PACKAGE_JPEG
 Samuel> +	help
 Samuel> +	  Use shared libjpeg from the target system.
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_PNG
 Samuel> +	bool "PNG support"
 Samuel> +	select BR2_PACKAGE_LIBPNG
 Samuel> +	help
 Samuel> +	  Use shared libpng from the target system.
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_QT
 Samuel> +	bool "Qt Backend support"
 Samuel> +	select BR2_PACKAGE_QT

I moved this up under gtk.

 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_TIFF
 Samuel> +	bool "TIFF support"
 Samuel> +	select BR2_PACKAGE_TIFF
 Samuel> +	help
 Samuel> +	  Use shared libtiff from the target system.
 Samuel> +
 Samuel> +config BR2_PACKAGE_OPENCV_WITH_V4L
 Samuel> +	bool "Video 4 Linux support"
 Samuel> +	select BR2_PACKAGE_LIBV4L

libv4l needs largefile support, so you need to depend on that / show a
comment if not available.

 Samuel> +	default y
 Samuel> +
 Samuel> +endif
 Samuel> diff --git a/package/opencv/opencv.mk b/package/opencv/opencv.mk
 Samuel> new file mode 100644
 Samuel> index 0000000..48add1e
 Samuel> --- /dev/null
 Samuel> +++ b/package/opencv/opencv.mk
 Samuel> @@ -0,0 +1,80 @@
 Samuel> +#############################################################
 Samuel> +#
 Samuel> +# OpenCV (Open Source Computer Vision)
 Samuel> +#
 Samuel> +#############################################################
 Samuel> +OPENCV_SERIES  = 2.3
 Samuel> +OPENCV_VERSION = $(OPENCV_SERIES).0
 Samuel> +OPENCV_SITE    = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/project/opencvlibrary/opencv-unix/$(OPENCV_SERIES)
 Samuel> +OPENCV_SOURCE  = OpenCV-$(OPENCV_VERSION).tar.bz2
 Samuel> +OPENCV_INSTALL_STAGING = YES
 Samuel> +
 Samuel> +# Build type
 Samuel> +OPENCV_CONF_OPT += -DCMAKE_BUILD_TYPE=$(if $(BR2_ENABLE_DEBUG),Debug,Release)

While this works it looks quite different than other packages - We
normally do:

OPENCV_CONF_OPT += \
                blah=.. \
                blih=.. \
                bloh=..

ifeq ($(BR2_PACKAGE_BLAH))
OPENCV_CONF_OPT += BLAH=on
OPENCV_DEPENDENCIES += blah
else
OPENCV_CONF_OPT += BLAH=OFF
endif

..

I've rewritten it to use that form.

 Samuel> +define OPENCV_CLEAN_INSTALL_DOC
 Samuel> +	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/doc
 Samuel> +endef

This should only be done if BR2_HAVE_DOCUMENTATION isn't enabled.

 Samuel> +
 Samuel> +define OPENCV_CLEAN_INSTALL_CMAKE
 Samuel> +	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/*.cmake
 Samuel> +endef

This should only be done if cmake for the target isn't enabled.

 Samuel> +
 Samuel> +define OPENCV_CLEAN_INSTALL_DATA
 Samuel> +	$(RM) -fr $(TARGET_DIR)/usr/share/opencv/haarcascades \
 Samuel> +		$(TARGET_DIR)/usr/share/opencv/lbpcascades
 Samuel> +endef
 Samuel> +
 Samuel> +OPENCV_POST_INSTALL_TARGET_HOOKS += OPENCV_CLEAN_INSTALL_DOC OPENCV_CLEAN_INSTALL_CMAKE
 Samuel> +OPENCV_POST_INSTALL_TARGET_HOOKS += $(if $(BR2_PACKAGE_OPENCV_INSTALL_DATA),,OPENCV_CLEAN_INSTALL_DATA)
 Samuel> +
 Samuel> +OPENCV_POST_INSTALL_STAGING_HOOKS += OPENCV_CLEAN_INSTALL_DOC
 Samuel> +OPENCV_POST_INSTALL_STAGING_HOOKS += $(if $(BR2_PACKAGE_OPENCV_INSTALL_DATA),,OPENCV_CLEAN_INSTALL_DATA)

It doesn't make sense to run these target hooks when staging gets
installed.

-- 
Bye, Peter Korsgaard

[Buildroot] [PATCH v5] package: add opencv

[Arnout Vandecappelle]

On Monday, October 24, 2011 15:35:32 Peter Korsgaard wrote:
[snip]
>  Samuel> +# Build type
>  Samuel> +OPENCV_CONF_OPT += -DCMAKE_BUILD_TYPE=$(if
> $(BR2_ENABLE_DEBUG),Debug,Release)
> 
> While this works it looks quite different than other packages - We
> normally do:
> 
> OPENCV_CONF_OPT += \
>                 blah=.. \
>                 blih=.. \
>                 bloh=..
> 
> ifeq ($(BR2_PACKAGE_BLAH))
> OPENCV_CONF_OPT += BLAH=on
> OPENCV_DEPENDENCIES += blah
> else
> OPENCV_CONF_OPT += BLAH=OFF
> endif
> 
> ..
> 
> I've rewritten it to use that form.

 Actually, for that particular one you haven't :-)

 Also I think it's important to use

ifeq ($(BR2_PACKAGE_BLAH),y)

 so you can easily disable it on the command line with

make BR2_PACKAGE_BLAH=n

(Of course, 'make BR2_PACKAGE_BLAH=' would still work, but it's less 
intuitive.)

 Regards,
 Arnout


-- 
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium                BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
GPG fingerprint:  31BB CF53 8660 6F88 345D  54CC A836 5879 20D7 CF43

[Buildroot] [PATCH v5] package: add opencv

[Samuel Martin]

2011/10/26 Arnout Vandecappelle <arnout@mind.be>

> On Monday, October 24, 2011 15:35:32 Peter Korsgaard wrote:
> [snip]
> >  Samuel> +# Build type
> >  Samuel> +OPENCV_CONF_OPT += -DCMAKE_BUILD_TYPE=$(if
> > $(BR2_ENABLE_DEBUG),Debug,Release)
> >
> > While this works it looks quite different than other packages - We
> > normally do:
> >
> > OPENCV_CONF_OPT += \
> >                 blah=.. \
> >                 blih=.. \
> >                 bloh=..
> >
> > ifeq ($(BR2_PACKAGE_BLAH))
> > OPENCV_CONF_OPT += BLAH=on
> > OPENCV_DEPENDENCIES += blah
> > else
> > OPENCV_CONF_OPT += BLAH=OFF
> > endif
> >
> > ..
> >
> > I've rewritten it to use that form.
>
>  Actually, for that particular one you haven't :-)
>
>  Also I think it's important to use
>
> ifeq ($(BR2_PACKAGE_BLAH),y)
>

Actually, in the 1st version of the patch it was this form, then I changed
it following the comments of Thomas P. ...

Using one or the other form does not change anything, it is just a matter of
consistency.

Defining some rules like these can certainly be gathered into a "developer
guide-line" or something like that.
If everybody follows the same form/standard (whatever you call it) it will
make easier processing submitted patches.
It could also allow to develop some checker scripts.

Regards,

Sam


>
>  so you can easily disable it on the command line with
>
> make BR2_PACKAGE_BLAH=n
>
> (Of course, 'make BR2_PACKAGE_BLAH=' would still work, but it's less
> intuitive.)
>
>  Regards,
>  Arnout
>
>
> --
> Arnout Vandecappelle                               arnout at mind be
> Senior Embedded Software Architect                 +32-16-286540
> Essensium/Mind                                     http://www.mind.be
> G.Geenslaan 9, 3001 Leuven, Belgium                BE 872 984 063 RPR
> Leuven
> LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
> GPG fingerprint:  31BB CF53 8660 6F88 345D  54CC A836 5879 20D7 CF43
>
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