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Message-ID: <20160208221256.GA13832@ravnborg.org>
Date: Mon, 8 Feb 2016 23:12:57 +0100
From: Sam Ravnborg <sam@...nborg.org>
To: Nicolas Pitre <nicolas.pitre@...aro.org>
Cc: Michal Marek <mmarek@...e.com>, linux-kbuild@...r.kernel.org,
linux-kernel@...r.kernel.org, Al Viro <viro@...IV.linux.org.uk>,
Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH 1/6] kbuild: record needed exported symbols for modules
>
> +# List module undefined symbols
> +ifdef CONFIG_TRIM_UNUSED_EXPSYMS
> +cmd_undef_syms = $(NM) $@ | sed -n 's/^ \+U \(.*\)/\1/p' | xargs echo
> +else
> +cmd_undef_syms = echo
> +endif
Use ":" as a "do nothing" cammand. Then you do not emit an empty line.
Sam
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