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From: "Jason Pyeron" <jpyeron@pdinc.us>
To: <git@vger.kernel.org>
Subject: RE: Version 1.8.1 does not compile on Cygwin 1.7.14
Date: Mon, 7 Jan 2013 00:37:14 -0500	[thread overview]
Message-ID: <FBDECCA565D94DF9838DD81FE2E2543A@black> (raw)
In-Reply-To: <50E9F7C2.1000603@gmail.com>

> -----Original Message-----
> From: Mark Levedahl
> Sent: Sunday, January 06, 2013 17:17
> 
> On 01/06/2013 02:54 PM, Junio C Hamano wrote:
> > Jonathan Nieder <jrnieder@gmail.com> writes:
> >
> >> Mark Levedahl wrote:
> >>
> >>>                                                           
> However, 
> >>> the newer win32api is provided only for the current 
> cygwin release 
> >>> series, which can be reliably identified by having dll version 
> >>> 1.7.x, while the older frozen releases (dll versions 1.6.x from 
> >>> redhat, 1.5.x open source) still have the older api as no 
> updates are being made for the legacy version(s).
> >> Ah.  That makes sense, thanks.
> >>
> >> (For the future, if we wanted to diagnose an out-of-date 
> win32api and 
> >> print a helpful message, I guess cygcheck would be the command to 
> >> use.)
> > Hmph, so we might see somebody who cares about Cygwin to 
> come up with 
> > a solution based on cygcheck (not on uname) to update this part, 
> > perhaps on top of Peff's "split default settings based on 
> uname into 
> > separate file" patch?
> >
> > If I understood what Mark and Torsten wrote correctly, you 
> will have 
> > the new win32api if you install 1.7.17 (or newer) from 
> scratch, but if 
> > you are on older 1.7.x then you can update the win32api part as a 
> > package update (as opposed to the whole-system upgrade).  A 
> test based 
> > on "uname -r" cannot notice that an older 1.7.x (say 1.7.14) 
> > installation has a newer win32api because the user updated 
> it from the 
> > package (hence the user should not define CYGWIN_V15_WIN32API).
> >
> > Am I on the same page as you guys, or am I still behind?
> >
> > In the meantime, perhaps we would need something like this?
> 
> It's perhaps worth noting how we got into this mess. The 
> problems have their root in
> 
>      adbc0b6b6e57c11ca49779d01f549260a920a97d
> 
> Cygwin's entire goal is a completely POSIX compliant 
> environment running under Windows. The above commit 
> circumvents some of Cygwin's API regarding stat/fstat to make 
> things perhaps a bit faster, and definitely not POSIX 

Ug!

> compliant (The commit message is wrong, the commit definitely 
> breaks POSIX compliance). That code is also what will not 
> compile on different w32api versions. It is curious: the 
> Cygwin  mailing list has been absolutely silent since the 
> w32api change was introduced last summer, this is the only 
> piece of code I am aware of that was broken by the new 
> headers, and of course the purpose of this code is to 

Um, going out on a limb here, but those headers are used internally as "cygwin"
apps are most likely to now know about those headers.

> circumvent the Cygwin API (and by extension, Cygwin project goals).
> 
> So, perhaps a better path forward is to disable / remove the 
> above code by default. (Those wanting a native Win32 git 
> should just use the native
> Win32 git).

Or a make option...



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- Jason Pyeron                      PD Inc. http://www.pdinc.us -
- Principal Consultant              10 West 24th Street #100    -
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This message is copyright PD Inc, subject to license 20080407P00.

 

  reply	other threads:[~2013-01-07  5:37 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-06  2:04 Version 1.8.1 does not compile on Cygwin 1.7.14 Stephen & Linda Smith
2013-01-06  3:37 ` Jason Pyeron
2013-01-06  4:22   ` Jason Pyeron
2013-01-06  6:20 ` Stephen & Linda Smith
2013-01-06  6:29   ` Jason Pyeron
2013-01-06  7:23     ` Torsten Bögershausen
2013-01-06  9:32       ` Jonathan Nieder
2013-01-06  9:42         ` Torsten Bögershausen
2013-01-06  9:57           ` Jonathan Nieder
2013-01-06 11:48             ` Mark Levedahl
2013-01-06 12:09               ` Jonathan Nieder
2013-01-06 14:09                 ` Stephen & Linda Smith
2013-01-06 19:54                 ` Junio C Hamano
2013-01-06 20:51                   ` Torsten Bögershausen
2013-01-06 21:34                     ` Mark Levedahl
2013-01-06 21:09                   ` Mark Levedahl
2013-01-06 21:33                     ` Jason Pyeron
2013-01-06 21:35                     ` Junio C Hamano
2013-01-06 21:46                       ` Jason Pyeron
2013-01-06 22:00                       ` Mark Levedahl
2013-01-06 22:16                   ` Mark Levedahl
2013-01-07  5:37                     ` Jason Pyeron [this message]
2013-01-07  7:29                       ` Junio C Hamano
2013-01-07  9:10                         ` Pyeron, Jason J CTR (US)
2013-01-08  3:12                         ` Mark Levedahl
2013-01-11 20:08                           ` Alex Riesen
2013-01-11 20:17                             ` Alex Riesen
2013-01-13 18:58                               ` Mark Levedahl
2013-01-15 18:47                                 ` Ramsay Jones
2013-01-20 10:10                                   ` Jonathan Nieder
2013-01-20 10:48                                     ` Torsten Bögershausen
2013-01-20 11:06                                       ` Jonathan Nieder
2013-01-21  5:20                                         ` [msysGit] " Torsten Bögershausen
2013-01-22 18:38                                           ` Ramsay Jones
2013-01-22 18:31                                     ` Ramsay Jones
2013-01-25 23:58                                       ` Mark Levedahl
2013-01-26  0:11                                         ` Junio C Hamano
2013-01-26  0:34                                           ` Eric Blake
2013-01-26  1:03                                             ` [PATCH/RFC] mingw: rename WIN32 cpp macro to NATIVE_WINDOWS Jonathan Nieder
2013-01-26 14:11                                               ` Mark Levedahl
2013-01-26 17:21                                               ` Torsten Bögershausen
2013-01-28 18:29                                               ` Ramsay Jones
2013-02-25  6:44                                                 ` Junio C Hamano
2013-02-26  4:08                                                   ` Mark Levedahl
2013-02-26 16:40                                                     ` Torsten Bögershausen

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