[Buildroot] [PATCH] glibc: remove version 2.21
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Mon Feb 22 12:33:37 UTC 2016
Hello,
On Mon, 22 Feb 2016 09:25:05 -0300, Gustavo Zacarias wrote:
> > Is it SPARC entirely, or only some specific architecture variants of
> > SPARC that are no longer supported ?
> >
> Quick SPARC lesson.
Good, because I don't know anything about SPARC :)
> SPARC < V9 = 32 bits (AKA sparc arch).
> SPARC >= V9 = 64 bits and 32 bits as well (similar to x86, AKA sparc64
> arch).
ACK.
> Now, you can use atomics for >= v9 and even on 32 bits, but normally
> even if you use 32 bit userland you want a 64 bit kernel anyway (IIRC
> solaris supports 32 bit kernel as well for old/transition versions, but
> AFAIK linux never went there).
I don't really see why you're talking specifically about atomics here,
but OK with the rest.
> So basically yes, sparc = no glibc, sparc64 = yes glibc, because we
> don't support multilib (in gentoo it wasn't 100% multilib in the past,
> except that binutils/gcc did support -m64/-m32, but there wasn't libc
> support, hence not really multilib).
I don't follow the relation with multilib support. Care to expand on
this?
Thanks!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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