linux-kernel - Re: [PATCH 2/3] MODSIGN: Avoid using .incbin in C source

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Date:	Wed, 05 Dec 2012 12:05:57 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	James Hogan <james.hogan@...tec.com>
Cc:	Takashi Iwai <tiwai@...e.de>, Rusty Russell <rusty@...abs.org>,
	David Howells <dhowells@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] MODSIGN: Avoid using .incbin in C source

Dne 5.12.2012 11:30, James Hogan napsal(a):
> However I think it's unfortunate having to stringify from C as it's
> pretty much always required to be in string form when used from a C
> file, usually in an asm block. Any objection to defining SYMBOL_PREFIX
> with the quotes around it for _c_flags only? E.g. see below


After Takashi's patch is applied, there will be no user of the
SYMBOL_PREFIX in C source. But it would probably be more convenient for
potential new users.

> +_c_sym_flags = -DSYMBOL_PREFIX=\"$(patsubst "%",%,$(CONFIG_SYMBOL_PREFIX))\"

Maybe simply

-DDSYMBOL_PREFIX='$(or $(CONFIG_SYMBOL_PREFIX),"")'

? The single quotes are needed either way, to prevent the shell eating
the double quotes.

Michal
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