linux-kernel - Re: realpath "No such file or directory" warnings when building

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Message-ID: <20200809071627.GC1098830@kroah.com>
Date:   Sun, 9 Aug 2020 09:16:27 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Rustam Kovhaev <rkovhaev@...il.com>
Cc:     xujialu <xujialu@...ux.org>, masahiroy@...nel.org,
        Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: realpath "No such file or directory" warnings when building

On Sat, Aug 08, 2020 at 01:28:22PM -0700, Rustam Kovhaev wrote:
> tags from KBUILD_OUTPUT directory
> Reply-To: 
> 
> running 'make ARCH=x86_64 COMPILED_SOURCE=1 cscope tags' in
> KBUILD_OUTPUT directory produces lots of "No such file or directory"
> warnings from realpath
> 
> it seems like commit 4f491bb6ea2a greatly improved tags generation when
> COMPILED_SOURCE=1 is set, but should we add "-q" flag for realpath in 
> all_compiled_sources() or probably it would be better to fix root cause
> and make sure that for example we don't try to find objtool sources and
> exclude other similar dirs during tags generation? what do you think?
> 
> ...
> realpath: special.h: No such file or directory
> realpath: warn.h: No such file or directory
> realpath: sigchain.c: No such file or directory
> realpath: sigchain.h: No such file or directory
> realpath: orc_gen.c: No such file or directory
> realpath: objtool.c: No such file or directory
> ...

Care to send a patch for this?

thanks,

greg k-h