Re: [MiNT] c++ crash with lzma-utils (constructors problem?)

[Alan Hourihane <alanh@fairlite.demon.co.uk>]

On Thu, 2008-04-24 at 23:43 +0200, Vincent Rivière wrote:
> Hello, Alan !

Hello again !

> > I'm getting a startup crash (Bus Error) with constructors when using a
> > c++ program called lzma-utils.
> > 
> > I remember there being some problems with this in early GCC patches.
> > 
> > Can you try and see if you can see the same problem ?
> > 
> > http://tukaani.org/lzma/
> 
> Sure, I will look at it !

Excellent - thanks!

> There is still problems with GCC 4 and C++.
> One of them was the ScummVM "duplicate thunk" problem.
> I found a workaround for that, but unfortunately it made appear the 
> "cout bug".
> And recently I found a crash with some CppUnit tests, probably related 
> to exception handling... I didn't have the courage to investigate...
> 
> The big problem is that MiNT uses the a.out file format for .o files, 
> which is used fewer and fewer... So when there is a bug in GCC related 
> to the a.out file format, we are nearly the only ones affected, so it is 
> very hard to get some help from the GCC team for fixing it :-(
> 
> I gave up for some time the research for the "cout" bug, because it is 
> extremely difficult to track down.
> 
> However, I hope the problem with lzma is more simple !
> I will try to compile it when I have some time.

Great.

Alan.