Re: pkg: Newer FreeBSD version for package... but why?

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On Wed, Jul 13, 2022 at 12:33 PM John Baldwin <jhb@freebsd.org> wrote:

> On 7/13/22 3:17 AM, Andriy Gapon wrote:
> > On 2022-07-13 13:09, Michael Gmelin wrote:
> >>
> >>
> >> On Wed, 13 Jul 2022 10:29:06 +0300
> >> Andriy Gapon <avg@FreeBSD.org> wrote:
> >>
> >>> # uname -U
> >>> 1400063
> >>>
> >>> # uname -K
> >>> 1400063
> >>>
> >>> # pkg upgrade
> >>> Updating FreeBSD repository catalogue...
> >>> Fetching packagesite.pkg: 100%    5 MiB   4.8MB/s    00:01
> >>> Processing entries:   0%
> >>> Newer FreeBSD version for package zyre:
> >>> To ignore this error set IGNORE_OSVERSION=yes
> >>> - package: 1400063
> >>> - running kernel: 1400051
> >>> Ignore the mismatch and continue? [y/N]:
> >>>
> >>> Does anyone know why this would happen?
> >>> Where does pkg get its notion of the running kernel version?
> >>>
> >>
> >> If I'm reading the sources correctly, it's determining the OS version
> >> by looking at the elf headers of various files in this order:
> >>
> >>       getenv("ABI_FILE")
> >>       /usr/bin/uname
> >>       /bin/sh
> >>
> >> So I would assume that `file /usr/bin/uname` shows 1400051 on your
> >> system.
> >
> > Thank you very much!  That's it:
> > # file /usr/bin/uname
> > /usr/bin/uname: ELF 32-bit LSB executable, ARM, EABI5 version 1
> > (FreeBSD), dynamically linked, interpreter /libexec/ld-elf.so.1,
> > FreeBSD-style, for FreeBSD 14.0 (1400051), stripped
> >
> >> You can point it to checking another file by setting ABI_FILE[0] in the
> >> environment or ignore the check by setting IGNORE_OSVERSION (like
> >> advised). The "running kernel:" label seems a bit misleading.
> >
> > Indeed.
> >
> > Now the next thing (for me) to research is why the binaries were built
> > "for FreeBSD 14.0 (1400051)" when the source tree has 1400063 and uname
> > -U also reports 1400063.
> > FWIW, this was a cross-build, maybe that played a role too.
>
> If you do a NO_CLEAN=yes build, we don't relink binaries just because
> crt*.o changed (where the note is stored).
>
> --
> John Baldwin
>
>