linux-kernel - Re: [PATCH] unifdef: drop unused errno.h include

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Date:	Sat, 10 Dec 2011 14:54:56 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tony Finch <dot@...at.at>
Subject: Re: [PATCH] unifdef: drop unused errno.h include

On Tue, Dec 06, 2011 at 05:26:50PM -0500, Mike Frysinger wrote:
> This is the only header on my system that ends up requiring kernel
> headers, so if the kernel headers aren't available, we end up being
> unable to install kernel headers :).
> 
> Since this file doesn't actually use anything from errno.h, drop
> the include so it at least makes us a bit more robust on glibc.
> 
> Signed-off-by: Mike Frysinger <vapier@...too.org>
> ---
>  scripts/unifdef.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/scripts/unifdef.c b/scripts/unifdef.c
> index 7493c0e..c5dfae5 100644
> --- a/scripts/unifdef.c
> +++ b/scripts/unifdef.c
> @@ -48,7 +48,6 @@
>  
>  #include <ctype.h>
>  #include <err.h>
> -#include <errno.h>
>  #include <stdarg.h>
>  #include <stdbool.h>
>  #include <stdio.h>

Adding unifdef upstream maintainer to Cc. I can apply the patch to the
kernel copy if there is no objection from Tony.

Michal
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