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From:	Florian Friesdorf <flo AT chaoflow DOT net>
To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>, cygwin AT cygwin DOT com, marko AT miding DOT de
Subject:	Re: BUG: gcc segfaults compiling python extensions
In-Reply-To:	<87h9yn87ez.fsf@eve.fritz.box>
References:	<87oasw89eg DOT fsf AT eve DOT fritz DOT box> <544FCE0C DOT 2030904 AT gmail DOT com> <87lho0858l DOT fsf AT eve DOT fritz DOT box> <87h9yn87ez DOT fsf AT eve DOT fritz DOT box>
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Date:	Fri, 31 Oct 2014 11:48:34 +0100
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On Wed, Oct 29 2014, Florian Friesdorf wrote:
> On Tue, Oct 28 2014, Florian Friesdorf wrote:
>> On Tue, Oct 28 2014, Marco Atzeri wrote:
>>> On 10/28/2014 5:08 PM, Florian Friesdorf wrote:
>>>>
>>>> Steps to reproduce:
>>>>
>>>> - 64bit Windows Server 2012 R2
>>>>
>>>> - cygwin 32bit 1.7.32 (also with 1.7.33 test release)
>>>>
>>>> - download, unpack, cd
>>>>    https://ftp.dlitz.net/pub/dlitz/crypto/pycrypto/pycrypto-2.6.1.tar.=
gz
>>>>
>>>> - python setup.py build
>>>> ...
>>>> building 'Crypto.Hash._MD2' extension
>>>> creating build/temp.cygwin-1.7.33-i686-2.7
>>>> creating build/temp.cygwin-1.7.33-i686-2.7/src
>>>> gcc -fno-strict-aliasing -ggdb -pipe -Wimplicit-function-declaration -=
fdebug-prefix-map=3D/usr/src/ports/python/python-2.7.8-1.i686/build=3D/usr/=
src/debug/python-2.7.8-1 -fdebug-prefix-map=3D/usr/src/ports/python/python-=
2.7.8-1.i686/src/Python-2.7.8=3D/usr/src/debug/python-2.7.8-1 -fwrapv -Wall=
 -Wstrict-prototypes -std=3Dc99 -O3 -fomit-frame-pointer -Isrc/ -I/usr/incl=
ude/python2.7 -c src/MD2.c -o build/temp.cygwin-1.7.33-i686-2.7/src/MD2.o
>>>> gcc -shared -Wl,--enable-auto-image-base -L. build/temp.cygwin-1.7.33-=
i686-2.7/src/MD2.o -L/usr/lib/python2.7/config -L/usr/lib -lpython2.7 -o bu=
ild/lib.cygwin-1.7.33-i686-2.7/Crypto/Hash/_MD2.dll
>>>> error: command 'gcc' terminated by signal 11
>>>>
>>>> - rererun: python setup.py build
>>>
>>> build find on W7-64 with cygwin32 bit
>>> CYGWIN_NT-6.1-WOW64 1.7.32(0.274/5/3) 2014-08-13 23:03
>>
>> With Win7-64 cygwin32 and cygwin64 we do not see the error - the builds
>> work fine there.
>>
>> We see the error on CYGWIN_NT-6.3-WOW64, Windows 2012 Server R2 64bit
>> with 32bit cygwin.

The bug does not occur on:

- Windows 2007 64bit
- Windows 2007 WOW64
- Windows 8.1 64bit
- Windows 8.1 WOW64
- Windows Server 2008 32bit
- Windows Server 2008 R2 32bit
- Windows Server 2012 R2 64bit

so far it only occurs on:

- Windows Server 2012 R2 WOW64

--=20
Florian Friesdorf <flo AT chaoflow DOT net>
  GPG FPR: 7A13 5EEE 1421 9FC2 108D  BAAF 38F8 99A3 0C45 F083
Jabber/XMPP: flo AT chaoflow DOT net
IRC: chaoflow on freenode,ircnet,blafasel,OFTC

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