[Buildroot] Buildroot - make again - wants to reapply a patch

[Peter Seiderer <ps.report@gmx.net>]

Hello Laurentiu-Cristian,

On Tue, 23 Mar 2021 16:57:13 +0200, Laurentiu-Cristian Duca <laurentiu.duca@gmail.com> wrote:

> Hello buildroot community,
>
>   I am looking for an answer which I hope it will save a lot of time for me.
>
>   At time moment t0, I have successfully built buildroot for rpi0w.
> At time moment t1, I have made some configuration changes (new additions only),
> and when I want to build (preferably only the changes), I get the error [1].
> Does anybody know how to avoid such errors?
> Why does buildroot try to reapply the patch?
>
> Thanks a lot,
> L-C
>
> [1]
> $ make
> >>> host-util-linux 2.33 Patching
>
> Applying 0001-rtcwake-use-poweroff-if-shutdown-is-not-found.patch using patch:
> Error: duplicate filename
> '0001-rtcwake-use-poweroff-if-shutdown-is-not-found.patch'
> Conflicting files are:
>   already applied:
> /home/laur/lucru/raspberry-pi/buildroot/buildroot-2019.02.rpi/package/util-linux/0001-rtcwake-use-poweroff-if-shutdown-is-not-found.patch
>   to be applied  :
> /home/laur/lucru/raspberry-pi/buildroot/buildroot-2019.02.rpi/package/util-linux/0001-rtcwake-use-poweroff-if-shutdown-is-not-found.patch

Not sure why this happens in your case, but generally only a full rebuild is supported
after configuration changes (see [1] and [2])...., but a build can succeed (sometimes)
after configuration changes, but for this case you need a good understanding of the
dependencies...

Regards,
Peter


[1] http://nightly.buildroot.org/manual.html#full-rebuild
[2] http://nightly.buildroot.org/manual.html#rebuild-pkg

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