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From: Sam Steingold <sds AT gnu DOT org>
To: cygwin AT cygwin DOT com, Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
Subject: Re: i686-w64-mingw32-gcc & ntifs.h
In-Reply-To: <4E52D5C5.4060106@cwilson.fastmail.fm> (Charles Wilson's message	of "Mon, 22 Aug 2011 18:18:45 -0400")
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Date: Tue, 23 Aug 2011 10:23:43 -0400
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> * Charles Wilson <pltjva AT pjvyfba DOT snfgznvy DOT sz> [2011-08-22 18:18:45 -0400]:
>
> On 8/22/2011 5:13 PM, Sam Steingold wrote:
>> PS. Why are cygwin/mingw and msys/mingw so different?
>
> They are not different. In fact, 'cygwin/mingw.org' and 'msys/mingw.org'
> are identical (except for the emulation environment under which they
> run: msys vs. cygwin).
>
> You're confused by the existence of the separate "mingw64" project.
>
> There are three different "flavors" of mingw-ish compilers:
>   1. mingw.org (32bit only)
>
>   2. mingw64.sf.net
>      a) 32bit
>      b) 64bit
>
> Cygwin provides cross-compiler toolchains for each of these three "flavors":
>
> 1)  i686-pc-mingw32-gcc
> 2a) i686-w64-mingw32-gcc
> 2b) x86_64-w64-mingw32-gcc

OK, thanks. The bottom line is that I should stick with
i686-pc-mingw32-gcc and forget the others even exist. Cool.

Now,

$ egrep -r '#define *STATUS_SUCCESS' /usr/*-mingw32/sys-root/mingw/include/
/usr/i686-pc-mingw32/sys-root/mingw/include/ddk/ntstatus.h:#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
/usr/i686-pc-mingw32/sys-root/mingw/include/ntdef.h:#define STATUS_SUCCESS ((NTSTATUS)0)
/usr/i686-pc-mingw32/sys-root/mingw/include/subauth.h:#define STATUS_SUCCESS 0
/usr/i686-w64-mingw32/sys-root/mingw/include/ntstatus.h:#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
/usr/i686-w64-mingw32/sys-root/mingw/include/subauth.h:#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
/usr/x86_64-w64-mingw32/sys-root/mingw/include/ntstatus.h:#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
/usr/x86_64-w64-mingw32/sys-root/mingw/include/subauth.h:#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)

Which one should I include for STATUS_SUCCESS: ddk/ntstatus or ntdef?
(I am using i686-pc-mingw32-gcc now exclusively).

Note that both w64 versions have ntstatus.h in the right place (defined
as the place where visual studio places it).
Is this a known bug in mingw?
Will it be fixed?

-- 
Sam Steingold (http://sds.podval.org/) on CentOS release 5.6 (Final) X 11.0.60900031
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