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Message-ID: <001b01c2f76c$d7b558b0$3778883e@pomello>
From: "Max Bowsher" <maxb AT ukf DOT net>
To: <cygwin AT cygwin DOT com>, "John Williams" <jwilliams AT itee DOT uq DOT edu DOT au>
References: <b68arh$j9m$1 AT main DOT gmane DOT org> <002301c2f734$736febf0$9a7586d9 AT ellixia> <b68cun$ohl$1 AT main DOT gmane DOT org>
Subject: Re: gcc/Cygwin awareness
Date: Mon, 31 Mar 2003 10:29:44 +0100
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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

yields:

#define _X86_ 1
#define __HAVE_BUILTIN_SETJMP__ 1
#define __tune_pentium2__ 1
#define __unix__ 1
#define unix 1
#define __i386__ 1
#define __SIZE_TYPE__ unsigned int
#define __GNUC_PATCHLEVEL__ 0
#define _stdcall __attribute__((__stdcall__))
#define __CYGWIN__ 1
#define __unix 1
#define __USER_LABEL_PREFIX__ _
#define __STDC_HOSTED__ 1
#define __stdcall __attribute__((__stdcall__))
#define __tune_i686__ 1
#define __WCHAR_TYPE__ short unsigned int
#define __WINT_TYPE__ unsigned int
#define __GNUC__ 3
#define _cdecl __attribute__((__cdecl__))
#define __tune_pentium3__ 1
#define __tune_pentiumpro__ 1
#define __fastcall __attribute__((__fastcall__))
#define _fastcall __attribute__((__fastcall__))
#define __CYGWIN32__ 1
#define __GXX_ABI_VERSION 102
#define i386 1
#define __GNUC_MINOR__ 2
#define __STDC__ 1
#define __PTRDIFF_TYPE__ int
#define __REGISTER_PREFIX__ 
#define __cdecl __attribute__((__cdecl__))
#define __NO_INLINE__ 1
#define __i386 1
#define __VERSION__ "3.2 20020927 (prerelease)"
#define __declspec(x) __attribute__((x))



Max.


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