linux-kernel - Re: [PATCH 0/5] RFC: strip 15,000 lines from a typical autoconf.h

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Message-ID: <CA+55aFx9WXtF7LT9rHv0=e0jqAq+b1cDPcRzSGDKvy7+XjxxtA@mail.gmail.com>
Date:	Wed, 11 Apr 2012 18:55:10 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net, tony@...eyournoodle.com, mmarek@...e.cz,
	lacombar@...il.com
Subject: Re: [PATCH 0/5] RFC: strip 15,000 lines from a typical autoconf.h

On Wed, Apr 11, 2012 at 6:45 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>
> So we shouldn't call it IS_DEFINED() - that would cause confusion with
> the old version.

Yeah. Maybe we should call it "config_enabled()" - the lower-case
hopefully makes it clear that it acts as a C function, not a
preprocessor one.

Code like "if (config_enabled(IPV6))" looks reasonably readable to me.

I asked G+ if they can come up with a better trick. They did well on
the whole bitmask calculations, maybe somebody can figure out how to
make the same macro work for both preprocessor and C code...

                       Linus
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