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Date: Tue, 6 Feb 2001 15:17:24 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-developers <cygwin-developers AT cygwin DOT com>
Subject: Re: [Fwd: [MinGW-dvlpr] winsock2.h]
Message-ID: <20010206151724.E9005@redhat.com>
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References: <3A7F737F DOT 31746D8E AT yahoo DOT com> <20010205233217 DOT A4786 AT redhat DOT com> <20010206211152 DOT E15821 AT cygbert DOT vinschen DOT de>
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In-Reply-To: <20010206211152.E15821@cygbert.vinschen.de>; from vinschen@redhat.com on Tue, Feb 06, 2001 at 09:11:52PM +0100

On Tue, Feb 06, 2001 at 09:11:52PM +0100, Corinna Vinschen wrote:
>On Mon, Feb 05, 2001 at 11:32:17PM -0500, Christopher Faylor wrote:
>> On Mon, Feb 05, 2001 at 10:46:07PM -0500, Earnie Boyd wrote:
>> >Danny Smith wrote:
>> >
>> >> This is what's in windows.h now.
>> >>
>> >> #ifndef WIN32_LEAN_AND_MEAN
>> >> #include <commdlg.h>
>> >> #include <cderr.h>
>> >> #include <dde.h>
>> >> #include <ddeml.h>
>> >> #include <dlgs.h>
>> >> #include <lzexpand.h>
>> >> #include <mmsystem.h>
>> >> #include <nb30.h>
>> >> #include <rpc.h>
>> >> #include <shellapi.h>
>> >> #include <winperf.h>
>> >> #include <winspool.h>
>> >> #if defined(Win32_Winsock) ||
>> >>  !(defined(__INSIDE_CYGWIN__) || defined(__CYGWIN__) || defined
>> >> (__CYGWIN32__) || defined(_UWIN))
>> >> #include <winsock.h>
>> >> #endif
>> >> #endif /* WIN32_LEAN_AND_MEAN */
>> >
>> >Is this __INSIDE_CYGWIN__ needed?  Danny's trying to clean up the winsock.h and
>> >winsock2.h header files.
>> 
>> Dunno.  Should be pretty simple to find out.  Try building Cygwin with it
>> removed.
>
>AFAIK, it's needed. If you build an application using native windows
>calls you need to include windows.h. But you _never_ should include
>winsock.h when linking against cygwin1.dll since the socket calls
>colide then. Except inside of Cygwin which obviously needs winsock.h.
>
>So the problem here is not building cygwin itself but to build a cygwin
>application using both, native windows calls and cygwin socket calls.

I don't understand the logic, though.  When is __INSIDE_CYGWIN__ defined when
__CYGWIN__ is not defined?

cgf