Re: [ptxdist] [APPLIED] doc/ref_make_variables: document <PKG>_PARTS

[Michael Olbrich <m.olbrich@pengutronix.de>]

Thanks, applied as 870378a22bb3ed1bbfaf99cba7c1330abc1784fa.

Michael

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On Mon, 27 Jan 2025 09:35:09 +0100, Roland Hieber <rhi@pengutronix.de> wrote:
> Signed-off-by: Roland Hieber <rhi@pengutronix.de>
> Message-Id: <20250122172807.3576211-1-rhi@pengutronix.de>
> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
> 
> diff --git a/doc/ref_make_variables.rst b/doc/ref_make_variables.rst
> index 20c98995f6e5..358701aab9e2 100644
> --- a/doc/ref_make_variables.rst
> +++ b/doc/ref_make_variables.rst
> @@ -283,6 +283,44 @@ of the corresponding target package if it exists.
>    In theory ``<PKG>_STRIP_LEVEL`` could be set to 2 or more to remove more
>    than one directory level.
>  
> +``<PKG>_PARTS``
> +  Sometimes more than one source archive needs to be downloaded to build a
> +  single package, e.g. when the project's main source archive comes from a Git
> +  repository export, which doesn't include Git submodules. In this case,
> +  ``<PKG>_PARTS`` can be set to refer to multiple prefixes of
> +  variable names, usually of the form ``<PKG>_<SUBPART>``, which PTXdist's
> +  default *get* and *extract* stages will use to resolve additional
> +  ``*_VERSION``, ``*_URL``, ``*_MD5`` variables etc. to download and extract
> +  multiple source archives.
> +
> +  For example:
> +
> +  .. code:: make
> +
> +      FOO_VERSION		:= 1.0
> +      FOO_MD5			:= a38714a1713bfd436564d643e169879e
> +      FOO			:= foo-$(FOO_VERSION)
> +      FOO_URL			:= https://some-server/path/to/$(FOO).tar.gz
> +      FOO_SOURCE		:= $(SRCDIR)/$(FOO).$(FOO_SUFFIX)
> +      FOO_DIR			:= $(BUILDDIR)/$(FOO)
> +
> +      FOO_SUBPART_MD5		:= a38714a1713bfd436564d643e169879e
> +      FOO_SUBPART               := subpart-0.9.1
> +      FOO_SUBPART_URL		:= https://some-server/path/to/$(FOO_SUBPART).tar.gz
> +      FOO_SUBPART_SOURCE	:= $(SRCDIR)/$(FOO_SUBPART).tar.gz
> +      FOO_SUBPART_DIR		:= $(BUILDDIR)/$(FOO)/subpart
> +
> +      FOO_PARTS                 := FOO FOO_SUBPART
> +
> +  In this example, the *foo.get* stage will download *foo-1.0.tar.gz* and
> +  *subpart-0.9.1.tar.gz*.
> +  The *foo.extract* stage will first extract *foo-1.0.tar.gz* into its build
> +  dir at ``$(BUILDDIR)/$(FOO)`` as usual, and then extract
> +  *subpart-0.9.1.tar.gz* into the subfolder ``$(BUILDDIR)/$(FOO)/subpart``.
> +
> +  ``<PKG>_<SUBPART>_STRIP_LEVEL``, ``<PKG>_<SUBPART>_LICENSE`` and
> +  ``<PKG>_<SUBPART>_LICENSE_FILES`` can be used adequately.
> +
>  ``<PKG>_BUILD_OOT``
>    If this is set to ``YES`` then PTXdist will build the package out of
>    tree. This is only supported for autoconf, qmake and cmake packages. The