Hi again Emily, You have put your finger on the core issue there.
The name of the boost python library which is linked in your "opc-ua-server-gfex" recipe is "boost_python-mt" where it seems that it should be "boost_python3-mt". I guess you should have a look at the CMakeLists.txt of the "opc-ua-server-gfex" software package to see how to switch to linking with "boost_python3-mt" instead as a quick review of the boost recipe seems to reveal no python2 support. Kind Regards, Laurent. On Tue, Mar 17, 2020 at 7:19 PM Emily S <[email protected]> wrote: > > 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 -- Laurent Gauthier Phone: +33 630 483 429 http://soccasys.com
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