[Buildroot] [PATCH 2/2] package/opencv3: fix aarch64 build

Bernd Kuhls bernd.kuhls at t-online.de
Tue Jul 31 05:19:00 UTC 2018


Hi Thomas,

Am Mon, 30 Jul 2018 23:50:01 +0200 schrieb Thomas Petazzoni:

> So this fix is already needed with the currently packaged 3.3.0 version
> of OpenCV ?

yes: http://autobuild.buildroot.net/?reason=opencv3-3.3.0

Please note that the aarch64 build errors started on June 9th, 2018.

> If so, why is this fix patch coming *after* the version bump in the
> series ?

OpenCV 3.4.2 is also affected by the problem, because of that I think 
that patch order does not matter. My first try to fix the build error was 
to bump package version, seeing that this did not fix the problem I 
investigated further and found the VFPV3 problem.

> Both 2018.05.x and 2018.02.x are using 3.3.0, so I guess they are
> affected as well. However, this failure doesn't appear for 2018.02.x and
> 2018.05.x in http://autobuild.buildroot.net/?reason=opencv3%
> 
> Do you have an explanation for this ?

The bug was introduced by https://git.buildroot.net/buildroot/commit/
package/opencv3?id=a17402e42d8c996af239cfdb536e74188d6c6245 on June 7th, 
2018. This patch was only committed to the master branch.

Regards, Bernd



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