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Re: [avr-libc-dev] [bug #36921] util/delay.h uses inline...

From: Joerg Wunsch
Subject: Re: [avr-libc-dev] [bug #36921] util/delay.h uses inline...
Date: Mon, 23 Jul 2012 21:00:30 +0200
User-agent: Mutt/1.5.20 (2009-06-14)

As Weddington, Eric wrote:

> I would hate to say, "We have to use C99 for some avr-libc modules
> (atomic.h), but we guarantee C89 compliance for other avr-libc
> modules (delay.h)". We really should be consistent across the whole
> project. Which means that if we guarantee C89 compliance for one
> module, then it needs to be guaranteed for everything in avr-libc,
> and we document what standard we comply too.

I'd say we *guarantee* C99 compliance, but wherever compliance to
older standards could be reasonably had, I don't mind maintaining it
that way.

Whenever compliance to C89/C90 would require a tradeoff, C99 takes
precedence.  However, writing a couple of underscores in front of a
keyword is nothing worth talking about, I think.

> Another data point: In the somewhat "standard" Makefile that we put
> together for AVR applications, we always set the --std flag to gnu99
> for compiling AVR applications.

Well, "gnu99" is yet another thing, we should make sure everything
works with "c99" (i.e., without the GNU extensions).

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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