On Tue, Apr 27, 2021 at 10:30:31AM +0200, Roland Hieber wrote: > +Kconfig diffs and layers > +~~~~~~~~~~~~~~~~~~~~~~~~ > + > +PTXdist uses the same diff mechanism whenever the config file of a > Kconfig-style package is changed > +in an inherited layer (see :ref:`layers-in-ptxdist`). > +In that case, the diff is calculated between the package's config file in > the base layer and the > +package's (adapted) config file in the current layer. > + > +.. note:: > + When using both ``<PKG>_REF_CONFIG`` and inter-layer Kconfig diffs, the > inter-layer diff takes > + precedence, and the reference config file in the inherited layer is > ignored.
Hmm, the package-info output is not helpful in this case, as it shows the ref config as calculated by $(call ptx/in-platformconfigdir): ----------------------------------- target: barebox-am335x.package-info ----------------------------------- package: barebox-am335x version: 2020.09.0 config: redundant-update/configs/platform-v7a/barebox-am335x.config ref config: redundant-update/configs/platform-v7a/barebox.config However the diff is actually calculated between layers, as the md5sum in barebox-am335x.config.diff shows. Michael, do you have an idea how to improve this? - Roland > + In the following example, arrows represent the config diff relation: > + > + .. image:: dev_kconfig_diffs_layer_precedence.svg > diff --git a/doc/dev_kconfig_diffs_layer_precedence.svg > b/doc/dev_kconfig_diffs_layer_precedence.svg > new file mode 100644 > index 000000000000..babd0db3fd6d > --- /dev/null > +++ b/doc/dev_kconfig_diffs_layer_precedence.svg > @@ -0,0 +1,315 @@ > +<?xml version="1.0" encoding="UTF-8" standalone="no"?> > +<svg > + xmlns:dc="http://purl.org/dc/elements/1.1/" > + xmlns:cc="http://creativecommons.org/ns#" > + xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" > + xmlns:svg="http://www.w3.org/2000/svg" > + xmlns="http://www.w3.org/2000/svg" > + width="442" > + height="234.77905" > + viewBox="0 0 116.94583 62.118626" > + version="1.1" > + id="svg8"> > + <defs > + id="defs2"> > + <marker > + style="overflow:visible" > + id="marker1611" > + refX="0" > + refY="0" > + orient="auto"> > + <path > + 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+ id="tspan845" > + x="52.98016" > + y="118.56184" > + style="stroke-width:0.2" /></text> > + <path > + > style="font-variation-settings:normal;opacity:1;vector-effect:none;fill:none;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:0.529167;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:2.11667, > > 2.11667;stroke-dashoffset:0;stroke-opacity:1;stop-color:#000000;stop-opacity:1" > + d="M 85.823322,54.204674 V 111.03163" > + id="path1343" /> > + </g> > +</svg> > diff --git a/doc/dev_layers_in_ptxdist.rst b/doc/dev_layers_in_ptxdist.rst > index ec92c8c8a86c..a1066396ca28 100644 > --- a/doc/dev_layers_in_ptxdist.rst > +++ b/doc/dev_layers_in_ptxdist.rst > @@ -98,7 +98,8 @@ Packages with kconfig Based Config Files > > For packages such as the Linux kernel that have kconfig based config files, > a lot of the infrastructure to handle config files and deltas across > -multiple layers can be reused. Consistency validation is done implicitly > +multiple layers can be reused (see :ref:`kconfig-diffs`). > +Consistency validation is done implicitly > and ``menuconfig`` and other kconfig commands will use config files and > deltas as expected. > > diff --git a/doc/dev_manual.rst b/doc/dev_manual.rst > index 03a05a661a97..c232cc91428a 100644 > --- a/doc/dev_manual.rst > +++ b/doc/dev_manual.rst > @@ -14,4 +14,5 @@ This chapter shows all (or most) of the details of how > PTXdist works. > dev_add_bin_only_files > dev_create_new_pkg_templates > dev_layers_in_ptxdist > + dev_kconfig_diffs > dev_code_signing > -- > 2.29.2 > > > _______________________________________________ > ptxdist mailing list > [email protected] > To unsubscribe, send a mail with subject "unsubscribe" to > [email protected] -- Roland Hieber, Pengutronix e.K. | [email protected] | Steuerwalder Str. 21 | https://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ ptxdist mailing list [email protected] To unsubscribe, send a mail with subject "unsubscribe" to [email protected]
