From: WANG Cong <xiyou.wangcong@gmail.com>
To: linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KBuild: silence "'scripts/unifdef' is up to date."
Date: Tue, 15 Mar 2011 13:40:37 +0000 (UTC) [thread overview]
Message-ID: <ilnq8l$rjj$1@dough.gmane.org> (raw)
In-Reply-To: 20110315063425.9538.11565.stgit@mike.mtv.corp.google.com
On Mon, 14 Mar 2011 23:34:25 -0700, Mike Waychison wrote:
> Patch applies to 2.6.38-rc8.
>
> While changing our build system over to use the headers_install target
> as part of our klibc build, the following message started showing up in
> our logs:
>
> make[2]: `scripts/unifdef' is up to date.
>
> It turns out that the build blindly invokes a recursive make on this
> target, which causes make to emit this message when the target is
> already up to date. This isn't seen for most targets as the rest of the
> build relies primarily on the default target and on PHONY targets when
> invoking make recursively.
>
> Silence the above message when building unifdef as part of
> headers_install by hiding it behind a new PHONY target called
> "build_unifdef" that has an empty recipe.
>
> Signed-off-by: Mike Waychison <mikew@google.com> ---
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
next prev parent reply other threads:[~2011-03-15 13:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-15 6:34 [PATCH] KBuild: silence "'scripts/unifdef' is up to date." Mike Waychison
2011-03-15 13:40 ` WANG Cong [this message]
2011-03-17 11:32 ` Michal Marek
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