7714 2015-05-04 13:19:22 +0000 poky bitbake: RRECOMMENDS_${PN} treated as runtime dependency 2015-05-08 05:36:24 +0000 1 1 7 Build System, Metadata & Runtime BitBake bitbake unspecified x86 Multiple RESOLVED NOTABUG Undecided minor --- 1 willem.romkes richard.purdie bluelightning poky.bs.watcher poky.watcher --- --- Don't know oldest_to_newest 50748 0 2488 willem.romkes 2015-05-04 13:19:22 +0000 Created attachment 2488 Patch RRECOMMENDS_${PN} is treated as RDEPENDS_${PN}. As far as I understand: - RDEPENDS_${PN} is a hard runtime dependency (i.e. it must be available) - RRECOMMENDS_${PN} is a soft runtime dependency (i.e. it would be nice if available) Refer to file http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/bitbake/lib/bb/taskdata.py, function add_tasks, section #: for package in rdepends: for rdepend in rdepends[package]: rdependlist.append(rdepend) rdependids[self.getrun_id(rdepend)] = None for package in rrecs: for rdepend in rrecs[package]: rreclist.append(rdepend) rdependids[self.getrun_id(rdepend)] = None Recommended package in rrecs are saved to the rdependids list... I am in no way an expert on the bitbake internals. I created a patch that does the trick (see attachment) but probably I'm missing some extra modifications an expert would come up with instantly (or I'm completely on the wrong track). Attached patch is based on poky c4f1f0f491f988901bfd6965f7d10f60cb94a76f (daysy-11.0.1) 50749 1 2489 willem.romkes 2015-05-04 13:24:48 +0000 Created attachment 2489 Patch 50848 2 bluelightning 2015-05-07 14:25:13 +0000 The intended behaviour is that there must be something claiming to provide something in RRECOMMENDS, so if nothing does then an error is expected - it's just that whether or not that dependency really gets satisfied at runtime is optional. So I think it's working as designed at the moment. 50856 3 richard.purdie 2015-05-07 15:19:53 +0000 Bitbake itself requires dependencies to be resolvable. We can do fuzzy patching with things like PACKAGES_DYNAMIC which is a mask of packages that can be generated but to bitbake we need to have a way that something can possibly get built. The other issue is that we support dependency renaming. In order to do this and get the dependencies right, we need a dependency tree which is complete, not where pieces can get added in later (e.g. through addition of a layer). So I think our user experience would significantly deteriorate if we did this and the patches are not acceptable. The optional nature of RRECOMMENDS is at runtime and at the package manager level, not the build system. 50876 4 willem.romkes 2015-05-08 05:36:24 +0000 (In reply to comment #2) > The intended behaviour is that there must be something claiming to provide > something in RRECOMMENDS, so if nothing does then an error is expected - > it's just that whether or not that dependency really gets satisfied at > runtime is optional. So I think it's working as designed at the moment. (In reply to comment #3) > The optional nature of RRECOMMENDS is at runtime and at the package manager > level, not the build system. If only the package manager needs to know what packages are recommended, why does the build system complain if the specified package isn't available? The package should be able to build without it. IMHO the only action from the build system I would expect is to check if a recipe for that package exists in the meta. (Well, in case of building a dedicated system that is. In case of building a distro like Ubuntu you just want to build the recommended packages too...) Anyway, thanks for your time gentlemen. 2488 2015-05-04 13:19:22 +0000 2015-05-04 13:19:22 +0000 Patch 0001-bitbake-Fix-RRECOMMENDS_-PN.patch text/plain 3854 willem.romkes RnJvbSAwNmI0NDBlNWM0ZDAzYTYzZTJmNDU0NGJkNDQ2NjQ3MDczOWQ3OGVmIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBXaWxsZW0gUm9ta2VzIApEYXRlOiBNb24sIDQgTWF5IDIwMTUg MTU6MTI6MjkgKzAyMDAKU3ViamVjdDogW1BBVENIXSBiaXRiYWtlOiBGaXggUlJFQ09NTUVORFNf JHtQTn0KCk9ubHkgaW5jbHVkZSBSUkVDT01NRU5EU18ke1BOfSBpZiBhdmFpbGFibGUvYnVpbGRh YmxlCi0tLQogYml0YmFrZS9saWIvYmIvcnVucXVldWUucHkgfCAxNCArKysrKysrKysrKysrKwog Yml0YmFrZS9saWIvYmIvdGFza2RhdGEucHkgfCAgOSArKysrKystLS0KIDIgZmlsZXMgY2hhbmdl ZCwgMjAgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9iaXRiYWtl L2xpYi9iYi9ydW5xdWV1ZS5weSBiL2JpdGJha2UvbGliL2JiL3J1bnF1ZXVlLnB5CmluZGV4IDZj YTY5M2QuLmJlYTUwOWEgMTAwNjQ0Ci0tLSBhL2JpdGJha2UvbGliL2JiL3J1bnF1ZXVlLnB5Cisr KyBiL2JpdGJha2UvbGliL2JiL3J1bnF1ZXVlLnB5CkBAIC00NjgsNiArNDY4LDE4IEBAIGNsYXNz 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