[kwlug-disc] kwlug-disc Digest, Vol 207, Issue 16

[Thomas Busch]

Would something like this work?

cargo zigbuild --target x86_64-unknown-linux-gnu.2.17 --release

On Fri, Feb 13, 2026 at 12:00 PM <kwlug-disc-request at kwlug.org> wrote:

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>    1. Quirks with linking and glibc versions (Mikalai Birukou)
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>
>
> ---------- Forwarded message ----------
> From: Mikalai Birukou <mb at 3nsoft.com>
> To: KWLUG discussion <kwlug-disc at kwlug.org>
> Cc:
> Bcc:
> Date: Fri, 13 Feb 2026 04:47:03 +0000
> Subject: [kwlug-disc] Quirks with linking and glibc versions
> I am make electron app with lot's of utility. Electron is kinda glue
> point at the moment.
>
> I start to make functionality in Rust. So, it gets glued into Electron
> with NAPI, as dynamic libraries.
>
> I am lazy sys-admin. I am not even cos-playing sys-admin. As a result,
> my runner in CI pipeline for builds and tests is Ubuntu Old. I was to
> upgrade it a notch, but it is still old.
>
> This old machine compiles and runs all my code in dynamic libraries.
>
> Then, necessity pushes me to move napi modules into npm repository. And
> being lazy, I build and publish these from local machine. Local machine
> is newer with the fresh mint (sub-atomic distro, as we've heard).
> Everything run on this machine. But older machine, getting code from
> npm, just breaks.
>
> Break complains about missing glibc (one has to peal off misleading
> wrapper error message to see it).
>
> When I flip everything to assemble binaries for npm in older machine,
> all newer and older machine works.
>
> It sounds like one better build code on older machines. Note that Rust
> is same version on all machines.
>
> ldd --version on machines shows: 2.39 and 2.31.
>
> Should I look for something ancient to ensure broadest coverage?
> What is the wisdom here?
>
>
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