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List:       kde-multimedia
Subject:    Re: Arts and gcc4.x
From:       me <kev.gilbert () cdu ! edu ! au>
Date:       2005-09-30 1:55:12
Message-ID: 200509301113.15949.kev.gilbert () cdu ! edu ! au
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On Fri September 30 2005 10:45, Michael Pyne wrote:
> On Thursday 29 September 2005 21:06, me wrote:
> > On Fri September 30 2005 06:17, Tobias Gerschner wrote:
> > > hi,
> > >
> > > using arts here with gcc-4.0.1 with pretty agressive optimization
> > > flags. It's working fine, here. Never experienced any issues so far.
> > > Can you point me towards a mail / bug, why it's exactly broken ?
> >
> > I just just finished testing the following:
> >
> > -----------------
> >
> > export CXXFLAGS="-O3"
> > export CFLAGS="-O3"
>
> Those are too aggressive I think

I had previously tried -O0 and -O2 - but both failed the same way

> , but that's not the problem here. :) 

>
> > #4  0x0038cfc3 in __gnu_cxx::__pool<true>::_M_reclaim_block
> > (this=0x806efa0, __p=0x8ca77c8 "`\237ï ¿ ½b", __bytes=8)
> >     at ../../.././libstdc++-v3/src/mt_allocator.cc:254
>
> As you can see, it is crashing in libstdc++ (the STL Memory Allocation
> code). Try exporting GLIBCXX_FORCE_NEW=1 before you start KDE, that should
> hopefully work around the bug by forcing slower (but stable) code to be
> used in STL.

As described in http://lists.kde.org/?l=kde-devel&m=112527846103573&w=2 from 
your previous email, I placed that 'export' in a file under ~/.kde/env and, 
lo and behold, it worked. :)

Thx for your help - its greatly appreciated. Now all I have to do is to get a 
few of the other KDE components to even compile!

Kevin

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