On 02/06/2020 19.58, Khem Raj wrote: > On Tue, Jun 2, 2020 at 5:17 AM Rasmus Villemoes > <rasmus.villem...@prevas.dk> wrote: >> >> There are cases where one doesn't want ldconfig on target (e.g. for >> read-only root filesystems, it's rather pointless), yet one still >> needs ld.so.conf to be present at image build time: >> >> When some recipe installs libraries to a non-standard location, and >> dutifully drops in a file in /etc/ld.so.conf.d/foo.conf, we need the >> ld.so.conf containing the >> >> include /etc/ld.so.conf.d/*.conf >> >> stanza to get those other locations picked up. >> >> So change the packaging logic so that there's always an ld.so.conf >> present when the build-time ldconfig runs. >> >> The ld.so.conf and ld.so.conf.d/*.conf files don't take up much >> room (at least not compared to the 700K binary ldconfig), and they >> might be needed in case ldconfig is installable, so leave them >> alone. >> >> In case of a read-only rootfs, one could add some logic to remove them >> if one really wants to shave those few dozens of bytes off. >> >> While here, fix typos in the bb.note (add spaces) so one can just >> copy-paste the line from the log-file and redo the command. >> > > The patch, in essence, looks ok, have you considered the feeds based > distro's case > will it keep working for them, or if there are changes e.g. they must > include ldconfig > compulsory etc. then it should be documented.
I don't think I understand the question. All I'm doing (now) is making sure the rootfs always (well, it comes bundled with glibc, so for all glibc-based systems) has a ld.so.conf. If there's an update of that ld.so.conf, that will change the hash of the glibc recipe (it's a SRC_URI) and hence of both the glibc and ldconfig packages. A change of the provided ld.so.conf will lead to glibc being rebuilt (no?), which I expect in turn will cause glibc on target to (need to) be updated (no?). That seems to be the case with or without this patch. But maybe I have no clue what a "feeds based distro" is, I've only ever done wholesale replace-the-entire-image (in an A/B setup). Rasmus
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