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Message-ID: <003b01c28991$00ebc5b0$78d96f83@pomello>
From: "Max Bowsher" <maxb AT ukf DOT net>
To: "Eric Belhomme" <rico AT ricospirit DOT net>, <cygwin AT cygwin DOT com>
References: <Xns92C2C61BC83D7ericbelhommefreefr AT 80 DOT 91 DOT 224 DOT 249> <20021110192754 DOT 9C6662CA74 AT inet1 DOT ywave DOT com> <002e01c2896d$ca899510$0a01a8c0 AT athlon>
Subject: Re: how-to use _WIN32 preprocessor with cygwin ?
Date: Mon, 11 Nov 2002 14:45:39 -0000
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Eric Belhomme <rico AT ricospirit DOT net> wrote:

>> The cygwin-specific gcc compile flag -mwin32 causes the _WIN32 macro
>> to be defined.  Certain cygwin applications predate that
>> arrangement, so confusion is understandable.
>>
> Thanks for your answer :-)
> So I wonder I have  to modify the configure script to add -mwin32
> flag on gcc option if I detect cygwin environment. Question : How to
> detect cygwin environment ?

Or, just use code like this in your C files:

#if defined(_WIN32) || defined(__CYGWIN__)
Win32 or Cygwin
#endif

If you do want to detect Cygwin in a configure script, then you just do
AC_CANONICAL_HOST, and then:

case $host_os in
  *cygwin* ) do cygwin stuff;;
         * ) do other stuff;;
esac



Max.


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