Re: [OE-core] [PATCH v2 2/4] meta: Support opting out of any distro features

[Paul Barker <paul@pbarker.dev>]

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On Wed, 2026-04-01 at 16:40 +0200, Mathieu Dubois-Briand wrote:
> On Tue Mar 31, 2026 at 9:29 PM CEST, Paul Barker wrote:
> > Add default values to DISTRO_FEATURES using the new
> > filter_default_features() function.
> > 
> > This change obsoletes the variables DISTRO_FEATURES_BACKFILL and
> > DISTRO_FEATURES_BACKFILL_CONSIDERED. Instead, all defaults are added via
> > DISTRO_FEATURES_DEFAULTS and users can opt out of any of these using
> > DISTRO_FEATURES_OPTED_OUT. Hopefully the variable naming here is easier
> > for people to understand and remember.
> > 
> > Migration notes:
> > 
> > - If you have previously assigned DISTRO_FEATURES without using
> >   DISTRO_FEATURES_DEFAULT, you will now get the default features added
> >   automatically. You will need to review these and add any features you
> >   do not want to use to DISTRO_FEATURES_OPTED_OUT.
> > 
> > - DISTRO_FEATURES_DEFAULT is now unused, the new variable name is
> >   slighlty different to ensure that it is not accidentally used if a
> >   layer hasn't been modified to adapt to the new naming.
> > 
> > - If you previously set DISTRO_FEATURES_BACKFILL_CONSIDERED, use the new
> >   variable DISTRO_FEATURES_OPTED_OUT instead.
> > 
> > - If you previously modified DISTRO_FEATURES_BACKFILL, don't do that.
> > 
> > Signed-off-by: Paul Barker <paul@pbarker.dev>
> > ---
> 
> Hi Paul,
> 
> I believe this is failing in some cases:
> 
> ERROR: libtasn1-4.21.0-r0 do_compile: Execution of '/srv/pokybuild/yocto-worker/qemux86-world-alt/build/build/tmp/work/x86-64-v3-poky-linux/libtasn1/4.21.0/temp/run.do_compile.3668072' failed with exit code 1
> ...
> > gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\--path"; \
> > if test "$?" = "0"; then \
> >   mkhtml_options="$mkhtml_options --path=\"/srv/pokybuild/yocto-worker/qemux86-world-alt/build/build/tmp/work/x86-64-v3-poky-linux/libtasn1/4.21.0/build/../sources/libtasn1-4.21.0/doc/reference\""; \
> > fi; \
> > cd html && gtkdoc-mkhtml $mkhtml_options  libtasn1 ../libtasn1-docs.xml
> > warning: failed to load external entity "http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl"
> > compilation error: file /srv/pokybuild/yocto-worker/qemux86-world-alt/build/build/tmp/work/x86-64-v3-poky-linux/libtasn1/4.21.0/recipe-sysroot-native/usr/share/gtk-doc/data/gtk-doc.xsl line 11 element import
> > xsl:import : unable to load http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl
> 
> https://autobuilder.yoctoproject.org/valkyrie/#/builders/17/builds/3345
> 
> Can you have a look at the issue?

Hi Mathieu,

Thanks for the heads up.

I saw some issues in an oe-selftest run after sending the patches, I
have a fix for that. I'll run a qemux86-world-alt build to confirm I've
also fixed the errors you saw.

Best regards,

-- 
Paul Barker



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