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Date:	Sun, 02 May 2010 15:49:28 -0400
From:	Andrew Dunstan <andrew AT dunslane DOT net>
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To:	cygwin AT cygwin DOT com
Subject:	Re: PostgreSQL plperl crash on Cygwin 1.7.5
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Reini Urban wrote:
> 2010/5/2 Andrew Dunstan :
>   
>> On Cygwin version 1.7.5 I am trying to run set up a member of the PostgreSQL
>> Buildfarm <http://www.pgbuildfarm.org/cgi-bin/show_status.pl>. We have a
>> current Cygwin member (run by me) using Cygwin version 1.5.25, which for the
>> most part runs without major problems.
>>
>> The good news is that even on the latest code, both stable and development,
>> PostgreSQL builds and its core regression tests run with 100% success.
>>
>> The bad news is that I get a segfault when trying to run the regression
>> tests for the embedded PLPerl language. The test fails when it tries to load
>> Postgres' plperl.dll.
>>     
>
> Hi Andrew,
>
> This is because cygwin perl is compiled with gcc-4 and -fstack-protector
> and you are trying with gcc-3 without -fstack-protector.
>
> Installing gcc-4 and doing the configure with
> CC=gcc-4 should do the trick.
>
>   

Sadly, this doesn't fix it. And if I add  CFLAGS=-fstack-protector to 
the build it doesn't even finish linking let alone run. I get errors like:

    /home/Andrew/bf/root/HEAD/pgsql.1428/src/interfaces/libpq/fe-auth.c:967:
    undefined reference to `___stack_chk_guard'

cheers

andrew


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