[Bug libc/26209] Compiling Glibc-2.11.1 on Raspberrypi4 fails as config.guess returns armv7l unknown

["rh100605 at aol dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=26209

--- Comment #4 from Rob Hookham <rh100605 at aol dot com> ---
AdhemervalThankyou for the clarification. I had missed the point
entirelyRegardsRob


-----Original Message-----
From: adhemerval.zanella at linaro dot org <sourceware-bugzilla@sourceware.org>
To: rh100605@aol.com
Sent: Mon, Jul 6, 2020 7:04 pm
Subject: [Bug libc/26209] Compiling Glibc-2.11.1 on Raspberrypi4 fails as
config.guess returns armv7l unknown

https://sourceware.org/bugzilla/show_bug.cgi?id=26209

Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:

          What    |Removed                    |Added
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                CC|                            |adhemerval.zanella at linaro
dot o
                  |                            |rg

--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot org>
---
(In reply to Rob Hookham from comment #2)
> (In reply to Andreas Schwab from comment #1)
> > Before 2.17, armv7l was part of the ports repository.
> 
> I am not sure I understand, are you telling me that I cannot compile this if
> I specify a Kernel below 2.17 ? 
> 
> If so as I am trying to fix an embedded linux system that has no compiler
> and has glibc 2.11.1 that is damaged. (It does howver have a compatible arm
> processor.)
> 
> I thought that if I compile for a later kernel will it will be rejected by
> the embedded system.
> 
> Maybe I am misssing something simple here ?
> Rgaqrds
> Rob

What Andreas noted is arm used to be part of glibc-ports [1] before its
inclusing on generic tree on glibc 2.17.  The ports used be a add-on on glibc,
so you need to check out this on the glibc tree and use the --enable-add-ons to
enable it.

[1] git://sourceware.org/git/glibc-ports.git

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