linux-kernel - Re: [PATCH v4 07/11] kbuild: use 'include' directive to load auto.conf from top Makefile

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Message-ID: <20180905225333.GA23155@gate.crashing.org>
Date:   Wed, 5 Sep 2018 17:53:33 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Dirk Gouders <dirk@...ders.net>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 07/11] kbuild: use 'include' directive to load auto.conf from top Makefile

On Mon, Sep 03, 2018 at 12:00:21PM +0200, Borislav Petkov wrote:
> On Mon, Sep 03, 2018 at 06:54:12PM +0900, Masahiro Yamada wrote:
> > You are right - I missed this usecase,
> > but I still want to excuse "it is rare enough".
> 
> Isn't there a Makefile way to check file existence before including it?

Sure there is, you can use $(wildcard ) .


Segher