Re: [sage-devel] sage development branch fails to build on Ubuntu 25.04

[Dima Pasechnik]

Hi,
thanks for the report - indeed, a clash of versions on the system vs
the one built by Sage is the most likely problem.
Could you please also try the branch of
https://github.com/sagemath/sage/pull/39030
as this is likely to be used in the next beta?
(it's a switch to meson, another build backend, for sagelib, and we
probably have a better control over this sort of issues there)

Thanks
Dima

On Fri, Sep 5, 2025 at 7:23 AM brettpim <br...@math.carleton.ca> wrote:
>
> I am running Ubuntu 25.04 on a Lenovo Thinkpad X1 Tablet (gen 2). This is my first installation of sage with this updated OS (previously on Ubuntu 24.10 where I could build sage). I am trying to build the development branch. I am getting error
> > Error installing package sagemath_doc_html-none
> I have attached the logfiles the error suggested include. To me it looks like a possible libecl version mismatch. Ubuntu 25.04 has version 24.5.10 and the call that resulted in error seems to want version 21.2
>
> thanks for help.
> brett
>
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