[RFC] README: Update Linux version requirement to 2.3.31.

[Alexandre Julliard]

<wylda at volny.cz> writes:

> When I run winecfg, I got:
>
> wine: glibc >= 2.3 without NPTL or TLS is not a supported combination.
>      Please upgrade to a glibc with NPTL support.
>
>
> Should I interpret that message, that:
> 1. NPTL is required
> 2. I should use glibc-2.2 or lower
>
> If 1) that's probably end of game per https://lwn.net/Articles/10465/
> * "- The 2.5.36 kernel or above must be installed and used."
> * "The current snapshot for glibc 2.3 (or glibc 2.3 when released) is
>    necessary."
> * "The general compiler requirement for glibc is at least gcc 3.2."
>
> So for further steps 1) or 2) ?

A glibc using TLS might still work without NPTL, though that may require
glibc 2.3 anyway. Note that the above requirements are for building
glibc, not running it. The NPTL support was backported to older kernels IIRC.

-- 
Alexandre Julliard
julliard at winehq.org