lkml.org 
[lkml]   [2023]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 0/2] Validating UAPI backwards compatibility
From
On 3/1/2023 3:52 PM, Mark Wielaard wrote:
> Hi John,
>
> On Wed, Mar 01, 2023 at 02:33:00PM -0800, John Moon via Libabigail wrote:
>> With some additional help from Nick offline, we determined that the
>> issue isn't with clang, but with libdw (from elfutils). You need at
>> least libdw version 0.171 for the abidiff tool to work correctly
>> with clang (in this particular case). Ubuntu 18.04 ships with
>> version 0.170.
>
> I don't remember any specific fixes for clang in libdw for elfutils
> 0.171. But elfutils 0.171 was the first release that supported most of
> DWARF5 (including GNU DebugFission and split dwarf).
>
>> If there's any interest, it'd be fairly easy to add a check for this
>> condition under the check_deps() function in the script.
>
> Please do add this check. elfutils 0.170 is almost 6 years old now,
> there have been many, many bug fixes since then (current release is
> 0.188 from Nov 2022).
>
> Thanks,
>
> Mark

Okay, I'll add the check in v3 after giving a chance for some other
reviews. Thanks!

\
 
 \ /
  Last update: 2023-03-27 00:41    [W:0.072 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site