From:	jeffdbREMOVETHIS AT goodnet DOT com (jeffdb)
Subject:	Re: Info on gnu-win32?
19 Aug 1998 04:03:05 -0700 :
Message-ID:	<35db4f81.88358627.cygnus.gnu-win32@mail.goodnet.com>
References:	<Pine DOT GSO DOT 3 DOT 96 DOT 980815151320 DOT 23450A-100000 AT neptune>
Reply-To:	jeffdbREMOVETHIS AT goodnet DOT com
Mime-Version:	1.0
To:	gnu-win32 AT cygnus DOT com

touch empty.h
gcc -E -dM empty.h

 -dM    Tell the preprocessor to output only a list of  the
        macro  definitions that are in effect at the end of
        preprocessing.  Used with the `-E' option.

using this you can tell which preprocessor defines are in effect
with what command line switches.

On Mon, 17 Aug 1998 22:03:58 +0000, you wrote:

>On Sat, Aug 15, 1998 at 03:21:32PM -0700, lsantil AT calstatela DOT edu wrote:
>> Hi
>> Is there document somewhere that lists all the GNU-Win32 gcc
>> preprocessor symbols like _GNUC_, _CYGWIN32_, etc.?  Also, is there
>> any GNU-Win32 in info format, like what DJGPP uses?  One last
>> question, is there info on building a dll/vxd so that direct hardware
>> is allowed and DirectX can be freely implement w/GNU-Win32's gcc?
>
>The gcc specs file lists the preprocessor symbols.  Eventually these
>will be in the actual documentation if they aren't already...

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