linux-kernel - Re: [PATCH 01/25] asm-generic: Change time_t and clock

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Date:	Tue, 13 May 2014 14:07:16 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Arnd Bergmann <arnd@...db.de>
cc:	Ley Foon Tan <lftan@...era.com>,
	James Hogan <james.hogan@...tec.com>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Chung-Lin Tang <cltang@...esourcery.com>
Subject: Re: [PATCH 01/25] asm-generic: Change time_t and clock_t to 64 bit

On Tue, 13 May 2014, Arnd Bergmann wrote:
> On Tuesday 13 May 2014 18:17:40 Ley Foon Tan wrote:
> > When we export this posix_types.h file for user software, they need to
> > define this config, eg: CONFIG_32BIT_TIME to use 32 bit time. Is this
> > what we want to do?
> 
> No, this doesn't really work: You can't use CONFIG_* symbols in
> user-visible header files.

Then make the config symbol generate the header from a template.

Thanks,

	tglx
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