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Subject:	Re: gdb pty problem [Was: emacs gud-interface is not updated after gdb command execution (maybe because of incomplete output from gdb)]
To:	cygwin AT cygwin DOT com
References:	<e29d08b0-aaed-46ea-a4eb-960b1e462692 AT cornell DOT edu> <a50d8bef-cc9b-3b35-8812-b26360591662 AT cornell DOT edu> <20160531094115 DOT GE24015 AT calimero DOT vinschen DOT de> <34c9cf10-4930-a017-92fc-fd56171671b1 AT cornell DOT edu> <9403d1d8-21d1-bf7e-dddc-d77b42e4795d AT cornell DOT edu> <20160601142804 DOT GG11431 AT calimero DOT vinschen DOT de> <aad3bfc2-c6a5-3299-2e66-90892286753b AT cornell DOT edu> <91397a76-1265-1cda-45e2-573e63b48fa3 AT cornell DOT edu> <20160601182855 DOT GA18871 AT calimero DOT vinschen DOT de> <ed68c616-120c-6149-9882-8849a8ccd4e4 AT cornell DOT edu> <20160601195428 DOT GA21150 AT calimero DOT vinschen DOT de>
From:	Ken Brown <kbrown AT cornell DOT edu>
Message-ID:	<285a8010-4306-8af4-10c9-1d64ae03d898@cornell.edu>
Date:	Wed, 1 Jun 2016 16:01:29 -0400
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On 6/1/2016 3:54 PM, Corinna Vinschen wrote:
> On Jun  1 15:05, Ken Brown wrote:
>> On 6/1/2016 2:28 PM, Corinna Vinschen wrote:
>>> On Jun  1 11:22, Ken Brown wrote:
>>>> And this also fixes the original problem in emacs that started the thread:
>>>>
>>>>   https://www.cygwin.com/ml/cygwin/2016-05/msg00318.html
>>>
>>> I reverted commit 252a07b0ad3353abcd0fcd9b1b65ff977acd679e in git master
>>> for now, unless we find a reason to rework this again.
>>
>> Thanks.  By the way, I'd like to take the opportunity to thank Peter Castro
>> for the Cygwin Time Machine
>> (http://www.fruitbat.org/Cygwin/#cygwintimemachine).  The bisection I did,
>> spanning a period of about 4 years, would have been virtually impossible
>> without it.
>
> Huh.  I was thinking of git bisect.  It's incredibly helpful.  But, yes,
> all power to the Cygwin time machine :)

I first used the time machine to narrow down the problem to between 
1.7.35 and 2.0.0.  Then I used git bisect to finish the job.  But even 
for that I needed the time machine; for example, I needed an old version 
of the w32api headers in order to build an old cygwin1.dll.

Ken


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