[PATCH] kbuild: compile-test global headers to ensure they are self-contained

Sam Ravnborg sam at ravnborg.org
Mon Jun 24 23:11:20 PDT 2019

> When all header files below include/drm are self-contained it will be a
> single line:
>     header-test-y += $(all_headers_with_subdir)
In reality it will likely be the above, and then a list of 

header-test-n += foo.h

For the header files that we for one or the other reason do not want to
make self-contained.
It would be nice to have the list of ignored files close to their home
and not a full list in one Makefile in include/

> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 3e630fcaffd1..e2f765e9d1e1 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -67,6 +67,7 @@ extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
>  endif
>  # Test self-contained headers
> +header-test-y := $(filter-out $(header-test-n), $(header-test-y))
This part should include the logic to filter out duplicates too.
I think we may do something wrong if the same header is listed twice.

We could also extend this with a check that all files in header-test-n


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