linux-kernel - Re: [PATCH] [BACKPORT FOR 4.14] libtraceevent: Fix build with binutils 2.35

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Date:   Wed, 14 Dec 2022 13:01:19 -0600
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Ben Hutchings <ben@...adent.org.uk>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        "linux-trace-devel@...r.kernel.org" 
        <linux-trace-devel@...r.kernel.org>,
        Salvatore Bonaccorso <carnil@...ian.org>
Subject: Re: [PATCH] [BACKPORT FOR 4.14] libtraceevent: Fix build with binutils 2.35

On Wed, Dec 14, 2022 at 03:33:24PM +0000, Christophe Leroy wrote:
> Le 13/12/2022 à 21:25, Segher Boessenkool a écrit :
> > On Tue, Dec 13, 2022 at 07:03:07PM +0100, Christophe Leroy wrote:
> >> In binutils 2.35, 'nm -D' changed to show symbol versions along with
> >> symbol names, with the usual @@ separator.
> > 
> > 2.37 instead?  And --without-symbol-versions is there to restore the
> > old behaviour.  The script is parsing the output already so this patch
> > is simpler maybe, but :-)
> 
> Do you mean that the original commit from Ben should have done it 
> differently ?

Probably.

> My patch is only a backport of original commit 39efdd94e314 
> ("libtraceevent: Fix build with binutils 2.35") due to Makefile being at 
> a different place in 4.14.

<shrug>.  It's not such a great idea to spread misinformation further,
imo.  Maybe the mailing list archives will help dampen that already now.

Thanks,


Segher