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Date:      Sat, 8 Mar 2003 10:32:55 -0800
From:      Marcel Moolenaar <marcel@xcllnt.net>
To:        Craig Rodrigues <rodrigc@attbi.com>
Cc:        freebsd-hackers@FreeBSD.ORG, freebsd-current@FreeBSD.ORG
Subject:   Re: #warning must be protected by #if __GNUC__ in headers?
Message-ID:  <20030308183255.GB543@dhcp01.pn.xcllnt.net>
In-Reply-To: <20030308161943.GA54921@attbi.com>
References:  <20030308161943.GA54921@attbi.com>

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On Sat, Mar 08, 2003 at 11:19:43AM -0500, Craig Rodrigues wrote:
> Hi,
> 
> In <sys/syslimits.h>, I see:
> 
> #if __GNUC__
> #warning "No user-serviceable parts inside."
> #endif
> 
> 
> Does the use of #warning need to be protected by
> #if __GNUC__ in FreeBSD header files?  I am working
> on something similar for <machine/limits.h>.

I think the use of #warning should be protected against abuse :-)

In general I probably would opt to not protect it with #if __GNUC__
because #warning is not specific to gcc and since we're only compiling
with gcc (officially) it's better to have it fail when somebody does
use a different compiler. I think the discussion that it will trigger
will yield a less gratuitous convention. Possibly documented. YMMV.

-- 
 Marcel Moolenaar	  USPA: A-39004		 marcel@xcllnt.net

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