Re: [Buildroot] [PATCH 1/1] package/squashfs: bump to version 4.7.4

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello Fiona,

On Tue, 6 Jan 2026 14:52:07 +0100
Fiona Klute <fiona.klute@gmx.de> wrote:

> > I've created an upstream issue about the problem, citing your version 
> > details (thanks!): https://github.com/plougher/squashfs-tools/issues/338  
> 
> Update: The upstream maintainer has added a fallback similar to the 
> util-linux one [1]. However a new issue has been reported since about 
> corrupted images with all-zero files [2], so I think it's best to delay 
> the update until that's resolved.
> 
> > On the Buildroot side I wonder how old toolchains can reasonably be 
> > before we consider them *too old*. So far I thought the Bootlin stable 
> > toolchains were the expected baseline, because they're supposed to be 
> > used for tests unless there's a good reason not to. Personally, I 
> > wouldn't consider musl 1.2.3 "recent", uClibc-ng 1.0.50 maybe kind of, 
> > but toolchains from 2020 definitely outdated. I may be influenced by the 
> > ~2 year Debian stable cycle. ;-)  
> With the upstream fallback merged the question isn't critical any more, 
> but I think it'd be generally useful to have a documented answer.

On the gcc version, we do have a fairly clear policy, but it's true we
don't have such a policy on the C library. We try to reasonably support
older toolchains as we recognize people may be using somewhat old
toolchains to support specific HW, or just because they "fear"
switching to a newer toolchain. So in the case of squashfs, when there
is a relatively easy fallback solution, it's always good to have (and
good for upstream, as it makes their project more broadly "compatible").

I don't know if we want a policy that says "toolchains with components
older than X years are not supported. Can be a topic for the upcoming
Buildroot Developers Meeting though.

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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