This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: A question on glibc backwards compatibility
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: Jason Yang <jasonyangshadow at gmail dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Mon, 06 Jan 2020 08:32:26 +0100
- Subject: Re: A question on glibc backwards compatibility
- References: <2e35fa4e-7b88-ddeb-ddd4-bb87d9ad9ebb@gmail.com>
* Jason Yang:
> I knew that glibc has very good backwards compatibility. But I have an
> issue during my development. I use very old glibc(version 2.5) to
> compile my own developed dynamic library and use it on newer kernel,
> some weird issues happen. Here, I could not explain these issues in
> details because there are so much code involved. But my question is
> that, glibc backwards compatibility is strict support? or if there are
> any(few) exceptions? If there are exceptions where can I find them?
We expect glibc 2.5 built with a matching compiler and kernel headers
to work on current kernels, at least on the major architectures.