From owner-freebsd-current  Mon Mar 10  8:18:46 2003
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Message-ID: <3E6CB87F.B28DEE17@mindspring.com>
Date: Mon, 10 Mar 2003 08:08:31 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Garrett Wollman <wollman@lcs.mit.edu>
Cc: Craig Rodrigues <rodrigc@attbi.com>, freebsd-current@FreeBSD.ORG
Subject: Re: #warning must be protected by #if __GNUC__ in headers?
References: <20030308161943.GA54921@attbi.com> <200303081728.h28HSDWM039984@khavrinen.lcs.mit.edu>
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Garrett Wollman wrote:
> `#if __GNUC__' wouldn't help matters; every preprocessor has to read
> and interpret every preprocessor directive (so that `#else' and
> `#endif' can be recognized).

I thought that the other discussion had concluded that:

	#if 0
	...
	#else

Or:

	#if 0
	...
	#endif

Should ignore everything *except* "#else" or "#elif" or "#endif"?

I remember when GCC used to start "nethack" any time you used a
"#pragma" in an unprotected block, but not otherwise... ;^).

-- Terry

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