linux-kernel - Re: [PATCH v2] kbuild: add support for ensuring headers are self-contained

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Message-ID: <20190604172553.GA2383@ravnborg.org>
Date:   Tue, 4 Jun 2019 19:25:53 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Jani Nikula <jani.nikula@...el.com>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kbuild@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Arnd Bergmann <arnd@...db.de>,
        David Howells <dhowells@...hat.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v2] kbuild: add support for ensuring headers are
 self-contained

On Tue, Jun 04, 2019 at 03:42:48PM +0300, Jani Nikula wrote:
> Sometimes it's useful to be able to explicitly ensure certain headers
> remain self-contained, i.e. that they are compilable as standalone
> units, by including and/or forward declaring everything they depend on.
> 
> Add special target header-test-y where individual Makefiles can add
> headers to be tested if CONFIG_HEADER_TEST is enabled. This will
> generate a dummy C file per header that gets built as part of extra-y.
> 
> Cc: Chris Wilson <chris@...is-wilson.co.uk>
> Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Signed-off-by: Jani Nikula <jani.nikula@...el.com>

Looks good, thanks.

Reviewed-by: Sam Ravnborg <sam@...nborg.org>