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Re: BUG: gcc segfaults compiling python extensions

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
>> - python 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=/usr/src/ports/python/python-2.7.8-1.i686/build=/usr/src/debug/python-2.7.8-1 -fdebug-prefix-map=/usr/src/ports/python/python-2.7.8-1.i686/src/Python-2.7.8=/usr/src/debug/python-2.7.8-1 -fwrapv -Wall -Wstrict-prototypes -std=c99 -O3 -fomit-frame-pointer -Isrc/ -I/usr/include/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 build/lib.cygwin-1.7.33-i686-2.7/Crypto/Hash/_MD2.dll
>> error: command 'gcc' terminated by signal 11
>> - rererun: python 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.


No Software from that list is installed. It's a fresh installation of
Windows 2012 Server R2. We had only added Firefox, when we got the error
the first time. Currently installed are:

Akamai Netsession Interface
Mozilla Firefox 33.0
Mozilla Maintenance Service
Oracle VM Virtualbox 4.3.18

Rebaseall also does not fix the problem.

Florian Friesdorf <>
  GPG FPR: 7A13 5EEE 1421 9FC2 108D  BAAF 38F8 99A3 0C45 F083
IRC: chaoflow on freenode,ircnet,blafasel,OFTC

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