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Message-ID:	<42FE9575.1060804@familiehaase.de>
Date:	Sun, 14 Aug 2005 02:51:01 +0200
From:	"Gerrit P. Haase" <gerrit AT familiehaase DOT de>
User-Agent:	Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.11) Gecko/20050728
MIME-Version:	1.0
To:	Angel Tsankov <fn42551 AT fmi DOT uni-sofia DOT bg>
CC:	cygwin mailing list <cygwin AT cygwin DOT com>
Subject:	Re: g++ defines for win32
References:	<000b01c5a032$3dabb7c0$cf34000a AT sven>
In-Reply-To:	<000b01c5a032$3dabb7c0$cf34000a@sven>
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Angel Tsankov wrote:

> I downloaded g++ from cygwin and installed it. I noticed that it has 
> built-in definitions of __stdcall, __cdecl and __fastcall. I've come 
> across other g++ builds for Windows that do not have definitions for 
> these identifiers, so I had to filter them out from my source code with 
> the help of macros. Now I need to know how to distinguish this build of 
> g++ from others in order to not filter the above identifiers out.
> Here's what I have now:
> 
> #if !(defined (_MSC_VER) || (defined (__GNUC__) && defined (__WIN32__)))
> #define __cdecl
> #define __stdcall
> #define __fastcall
> #endif

gcc -dumpspecs:


*cpp:
%(cpp_cpu) %{posix:-D_POSIX_SOURCE}   %{mno-win32:%{mno-cygwin: 
%emno-cygwin and mno-win32 are not compatible}} 
%{mno-cygwin:-D__MSVCRT__ -D__MINGW32__ %{!ansi:%{mthreads:-D_MT}}} 
%{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__ %{!ansi:-Dunix} -D__unix__ 
-D__unix }  %{mwin32|mno-cygwin:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ 
%{!ansi:-DWINNT}}  %{!nostdinc:%{!mno-win32|mno-cygwin:-idirafter 
../include/w32api%s -idirafter ../../include/w32api%s}}


For Cygwin (= -mno-win32 = default):
__CYGWIN32__
__CYGWIN__
__unix
__unix__
unix

For MinGW (= -mno-cygwin):
__MINGW32__
__MSVCRT__
WIN32
_WIN32
__WIN32
__WIN32__

For Cygwin (+ -mwin32):
__CYGWIN32__
__CYGWIN__
WIN32
_WIN32
__WIN32
__WIN32__



Gerrit
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