[yocto] to build the opencv lib

[Autif Khan]

On Tue, Apr 24, 2012 at 6:13 AM, "沈华明@qq" <446257357 at qq.com> wrote:
> Hi,
>    I want to build the opencv lib into yocto,but I have no idea to do it. I
> have copyed a opencv_1.0.0.bb file
> into my layer,and after I do :bitbake opencv.,it comes the error:Nothing
> PROVIDES 'swig'(but ....)....
> The recipe is the following,

You can not just copy a recipe - if it has dependencies, then you need
to copy those recipes too.

OR - the simpler thing to do

Add the entire meta layer to bblayers.conf

>
> DESCRIPTION = "Opencv : The Open Computer Vision Library"
> HOMEPAGE = "http://sourceforge.net/projects/opencvlibrary"
> SECTION = "libs"
> PRIORITY = "optional"
> LICENSE = "GPLv2"
>
> PR = "r3"
>
> DEPENDS = "libtool swig swig-native python jpeg zlib libpng tiff glib-2.0"
> #RDEPENDS_${PN} = "python jpeg zlib libpng tiff glib-2.0"

This is where the recipe says that it depends on "swig" and you likely
do not have swig in any of your meta layers. Chances are - you can get
swig from the same place you got the recipe for opencv

>
> SRC_URI = "${SOURCEFORGE_MIRROR}/opencvlibrary/opencv-${PV}.tar.gz \
>           file://debian/010_enable_static.diff \
>           file://debian/010_ffmpeg_linking.diff \
>           file://debian/010_fix_optimisations.diff \
>           file://debian/010_m4_syntax.diff \
>           file://debian/010_makefile_syntax.diff \
>           file://debian/010_python_cspec.diff \
>           file://debian/020_python_linking.diff \
>           file://debian/030_install_hook.diff \
>           file://debian/050_rebootstrap.diff \
>           file://debian/100_amd64.diff \
>           file://debian/100_static_inline.diff \
>           file://debian/100_ffmpeg_updates.diff \
>           file://debian/110_dc1394.diff \
>           file://debian/120_header_warnings.diff \
>           file://debian/200_documentation.diff \
>           file://debian/200_examples_makefile.diff \
>           file://debian/210_openmp_compilation.diff \
>           file://debian/300_fix_segfault_in_window_gtk.diff \
> "
>
> inherit distutils-base autotools pkgconfig
>
> EXTRA_OECONF = "--disable-debug  --without-gtk --without-python
> --disable-apps az_python_cspec=${STAGING_INCDIR}/${PYTHON_DIR}"
>
> export BUILD_SYS
> export HOST_SYS
>
> do_configure() {
> 	gnu-configize
> 	cp ${STAGING_DATADIR}/libtool/config.{sub,guess} autotools
> 	oe_runconf
> }
>
> PACKAGES += "python-opencv"
>
> python populate_packages_prepend () {
> 	cv_libdir = bb.data.expand('${libdir}', d)
> 	cv_libdir_dbg = bb.data.expand('${libdir}/.debug', d)
> 	do_split_packages(d, cv_libdir, '^lib(.*)\.so$', 'lib%s-dev', 'OpenCV %s
> development package', extra_depends='${PN}-dev', allow_links=True)
> 	do_split_packages(d, cv_libdir, '^lib(.*)\.la$', 'lib%s-dev', 'OpenCV %s
> development package', extra_depends='${PN}-dev')
> 	do_split_packages(d, cv_libdir, '^lib(.*)\.a$', 'lib%s-dev', 'OpenCV %s
> development package', extra_depends='${PN}-dev')
> 	do_split_packages(d, cv_libdir, '^lib(.*)\.so\.*', 'lib%s', 'OpenCV %s
> library', extra_depends='', allow_links=True)
> }
>
> FILES_${PN}-doc += "${datadir}/opencv/"
> FILES_${PN} = "${bindir}"
> FILES_${PN}-dbg += "${libdir}/.debug"
> FILES_${PN}-dev = "${includedir} ${libdir}/pkgconfig"
>
> DESCRIPTION_python-opencv = "Python bindings to opencv"
> FILES_python-opencv = "${PYTHON_SITEPACKAGES_DIR}/*"
> RDEPENDS_python-opencv = "python-core"
>
> SRC_URI[md5sum] = "146a05005f2d2c16c4ee10ebd7f1dd58"
> SRC_URI[sha256sum] =
> "3a6ee888e4dd4ab7f2bc80d046688c099c6a95d1267af554b7c8f1543b66f21e"
>
>
>
> Thanks~
>
>
>
>
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