[Slackbuilds-users] updates to signal-desktop

[Luveh Keraph]

Thanks. I'll take a stab at it in a sandbox over the weekend.

On Wed, Jun 3, 2026 at 4:33 PM Lumin Etherlight via SlackBuilds-users <
slackbuilds-users at slackbuilds.org> wrote:

> Luveh Keraph <1.41421 at gmail.com> writes:
>
> > I concur.  signal-desktop is  not working any more
> > under 15.0. Will it be possible to have it working
> > under  15.0 without  having to  use glibc  testing
> > packages? Quite frankly, having to use them sounds
> > scary.
>
>         You can use the following hack, which worked
>   for me.  Install the new testing glibc into a root
>   inside /opt/ isolated from the rest of the system,
>   then patch all executable and libraries inside the
>   latest Signal package to use the glibc inside /opt
>   instead of the system one.
>
>   First, upgrade to the latest Signal package:
>
>         upgradepkg --install-new signal-desktop-8.11.0-x86_64-1_SBo.tgz
>
>   Then, get the testing glibc package:
>
>         lftp
> ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/testing/packages/binutils-gcc-glibc
> \
>              -e 'get -c glibc-2.42-x86_64-1_slack15.0.txz'
>
>   Install it to a path in /opt (note the --root):
>
>         installpkg --root /opt/glibc glibc-2.42-x86_64-1_slack15.0.txz
>
>         Finally, use patchelf  to update the runtime
>   linker in  all executable files, and  use it again
>   to override the linker  library search path to use
>   the latest installed glibc libraries:
>
>         find /opt/Signal/ -type f -executable \
>                 -exec patchelf --set-interpreter
> /opt/glibc/lib64/ld-linux-x86-64.so.2 {} \; \
>                 -exec patchelf --force-rpath --set-rpath
> \$ORIGIN:/opt/glibc/lib64 {} \;
>
>         The $ORIGIN  path is required, as  a literal
>   string, with $ escaped from the shell; it is not a
>   shell variable.  This literal string has a special
>   meaning to the linker  to allow the executable, in
>   this case Signal, to  search its own directory for
>   libraries.  Additionally, do not be alarmed if you
>   see errors  about not finding  `.interp' sections,
>   they are harmless, and  happen because the dynamic
>   linker in  shared libraries can not  be updated in
>   the ELF  binary itself, but  is set by  the actual
>   executable that requests the library.
>
>   Now, run Signal as you usually do, it should work.
>
>   Hopefully :)
>
>         This is definitely a hacky path, but it is a
>   much more narrow  intervention than updating glibc
>   for your entire system.   It is also isolated from
>   the rest of the system,  so harm is minimized.  If
>   you want to revert what we did here, simply run:
>
>         rm -rf /opt/glibc
>         upgradepkg --reinstall signal-desktop-8.11.0-x86_64-1_SBo.tgz
>
>   And you're back to a clean slate.
>
>
> Best Wishes,
> Lumin Etherlight
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