Hi Laurent - Thanks for the suggestion. It looks like there are a few packages that provide libboost_python3:
find tmp/work/*/*/*/packages-split -name libboost_python\* tmp/work/aarch64-poky-linux/boost/1.64.0-r0/packages-split/boost-dev/usr/lib/libboost_python3.so tmp/work/aarch64-poky-linux/boost/1.64.0-r0/packages-split/boost-python/usr/lib/libboost_python3.so.1.64.0 tmp/work/aarch64-poky-linux/boost/1.64.0-r0/packages-split/boost-staticdev/usr/lib/libboost_python3.a tmp/work/aarch64-poky-linux/boost/1.64.0-r0/packages-split/boost-dbg/usr/lib/.debug/libboost_python3.so.1.64.0 Adding boost-python to RDEPENDS doesn't help, I have tried it before also. This sort of made sense to me as I thought RDEPENDS was for run time dependencies, but perhaps I have misunderstood. I am working with the rocko branch and python2, so perhaps that's the problem? Thanks, Emily On Tue, Mar 17, 2020 at 1:02 PM Laurent Gauthier < [email protected]> wrote: > Hi Emily, > > To find the solution to your issue in a rational and deterministic way > we need to start from the error message. > > What I understand is that while build recipe "opc-ua-server-gfex" you > get an error message that says in short "ld: cannot find > -lboost_python-mt". > > Therefore you need to determine which recipe (and which package in > that recipe) provides the "boost_python-mt" library. > > One way to determine this is to run something like this: > > find > /local/d6/easmith5/rocko_bitbake/poky/build/tmp/work/*/*/*/packages-split > -name libboost_python\* > > This should show you which recipe, and which package produced by that > recipe has the library you are looking for. > > The names of the first-level directories inside "packages-split" are > packages names. > > Based on things you have mentioned in your previous e-mail my guess > would be that adding an RDEPENDS = "boost-python" should help, but I > might be wrong. > > I hope this will help you move in the right direction. > > Kind regards, Laurent. > > > On Tue, Mar 17, 2020 at 6:07 PM Emily <[email protected]> wrote: > > > > Hi Quentin - > > > > That's what I tried originally! DEPENDS on boost and not boost-python > gives me the following error when trying to build my original recipe: > > > > > /local/d6/easmith5/rocko_bitbake/poky/build/tmp/work/aarch64-poky-linux/opc-ua-server-gfex/1.0+gitAUTOINC+921c563309-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/../../libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/7.3.0/ld: > > cannot find -lboost_python-mt > > > > So I tried a bunch of other this which also didn't seem to work. > > > > Thanks for the response! > > Emily > > > > > > On Tue, Mar 17, 2020 at 11:04 AM Quentin Schulz < > [email protected]> wrote: > >> > >> Hi Emily, > >> > >> On Tue, Mar 17, 2020 at 10:44:10AM -0500, Emily wrote: > >> > Hi all - > >> > > >> > I'm trying to build an opca recipe ( > >> > > https://github.com/kratsg/meta-l1calo/blob/add/opcServer/recipes-core/opc-ua/opc-ua-server-gfex_git.bb > ) > >> > and it's giving me a build error like: > >> > > >> > | > >> > > /local/d6/easmith5/rocko_bitbake/poky/build/tmp/work/aarch64-poky-linux/opc-ua-server-gfex/1.0+gitAUTOINC+921c563309-r0/recipe-sysroot-native/usr/bin/aarch64-poky-linux/../../libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/7.3.0/ld: > >> > cannot find -lboost_python-mt > >> > > >> > Which seems to indicated I need to add boost-python to my list of > DEPENDS. > >> > When I do that I get the error: > >> > > >> > ERROR: Nothing PROVIDES 'boost-python' (but > >> > /local/d6/easmith5/rocko_bitbake/meta-l1calo/recipes-core/opc-ua/ > >> > opc-ua-server-gfex_git.bb DEPENDS on or otherwise requires it). Close > >> > matches: > >> > boost RPROVIDES boost-python > >> > > >> > I've tried adding PACKAGECONFIG_pn-boost="python" to both my > local.conf and > >> > to the image definition as I saw this online, but neither seems to > work. It > >> > seems like boost-python is being built (I can see it in the list when > I run > >> > oe-pkgdata-utils list-pkgs -p boost) but it doesn't seem to be > available at > >> > build for this recipe. > >> > > >> > If I remove boost from my list of DEPENDS I get an error about that, > so > >> > obviously boost itself is available at build for the original recipe. > I've > >> > also tried adding boost-native to DEPENDS, also did not work. > >> > > >> > Is there something obvious I'm missing, or some trick to making > >> > boost-python available at build for this other recipe? > >> > > >> > >> Ok so two things. > >> > >> Yes, I'd say you need python in PACKAGECONFIG for boost. However, it > >> seems it's already part of the default value of PACKAGECONFIG, c.f. > >> > http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-support/boost/boost.inc?h=master#n45 > >> so if no bbappend is overriding it, I'd say you're safe. Better check > >> with the version in your layer that it's there. > >> If you don't want to check manually, try `bitbake -e boost | grep -e > >> "^PACKAGECONFIG="` > >> > >> DEPENDS contains only recipes (well, PROVIDES but PROVIDES has the name > >> of the recipe in it at all times) while RDEPENDS_* (usually ${PN}*) > contains > >> only packages. > >> > >> So you need to DEPENDS on boost, not boost-python. That should be enough > >> hopefully! > >> > >> Quentin > > > > > > > > -- > Laurent Gauthier > Phone: +33 630 483 429 > http://soccasys.com >
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