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
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