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From:	John Williams <jwilliams AT itee DOT uq DOT edu DOT au>
Subject:	Re: gcc/Cygwin awareness
Date:	Tue, 01 Apr 2003 07:27:48 +1000
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In-Reply-To:	<001b01c2f76c$d7b558b0$3778883e@pomello>

Hi Max,

Max Bowsher wrote:
> John Williams wrote:
> 
>>Elfyn McBratney wrote:
>>
>>>You could use this
>>>
>>>#if defined(__GNUC__) && defined(__CYGWIN__)
>>
>>So __CYGWIN__ is defined in the preprocessor environment when compiling
>>under Cygwin?  That's precisely what I'm after, thanks.
> 
> 
> General answer to this kind of question:
> 
> $ gcc -E -dM -xc /dev/null

Excellent.  Thanks for that, a useful bit of syntax to remember.

John



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