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From: =?UTF-8?B?xLBzbWFpbCBEw7ZubWV6?= <ismail AT donmez DOT ws>
Date: Sun, 14 Jun 2015 15:51:08 +0300
Message-ID: <CAJ1KOAi7Hqep+nF-SFVhrtame_D-nM10nGGWMXt3p-rHx+e_fA@mail.gmail.com>
Subject: Re: mingw-w64 --enable-fully-dynamic-string
To: cygwin AT cygwin DOT com
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Hi,

On Sun, Jun 14, 2015 at 4:08 AM, Tony Kelman <tony AT kelman DOT net> wrote:
>> Cygwin's copy contains the mistake.
>
>
> Thanks for the ack. Sorry my mailer is stupid and mis-formatted the very end
> of my message.
>
> I found the opensuse change caused an ABI breakage, C++ executables compiled
> with cygwin's mingw-w64 started segfaulting when the latest libstdc++-6.dll
> from opensuse was earlier on the path. I probably shouldn't have expected
> mixing cygwin-built mingw-w64 executables with opensuse-built mingw-w64
> libraries to work for as long as it has. If a cygwin package rebuild can
> make the ABI's compatible again that would be awesome and fix the breakage
> I've been seeing, but I probably need to switch some of my cygwin buildbots
> over to opensuse to make absolutely sure things will be compatible.

I submitted this change in openSUSE and the mingw packages were
rebuilt as a result, so on openSUSE side everything works as expected.
I also checked msys2 and they use the correct configure line so they
use the same ABI as openSUSE.

It would be nice to have this fixed in Cygwin and get all mingw
packages rebuilt as a result.

ismail

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