ports/72014: Eclipse doesn't work (SigBus 10) if it has been built with GTK

[Panagiotis Astithas]

Jeremy Messenger wrote:
> On Fri, 02 Sep 2005 12:17:48 -0500, Jeremy Messenger <mezz7 at cox.net> wrote:
> 
>> On Fri, 02 Sep 2005 04:40:15 -0500, Panagiotis Astithas <past at ebs.gr>  
>> wrote:
>>
>>> I'm forwarding this to the people who are responsible for this.
>>>
>>> Daniel Roethlisberger wrote:
>>>
>>>> I have just double checked on my pentium-m box, I can confirm that
>>>> adding -mno-sse2 does solve the problem for me (at least as far as 
>>>> I  can
>>>> tell, as there is no definitive way to reproduce the problem).
>>>>  Compiling x11-toolkits/gtk20 with CPUTYPE?=pentium-m and CFLAGS=-O  
>>>> -pipe
>>>> results in an unstable eclipse, while compiling gtk20 with the same
>>>> CPUTYPE but CFLAGS=-O -pipe -mno-sse2 saves the day, giving me a stable
>>>> eclipse.
>>>>  Can we add some kind of -mno-sse2 hack to the GTK port for the time
>>>> being, or is there a better solution?
>>>
>>>
>>>
>>> Some background:
>>>
>>> In PR ports/72014 it was reported a long time ago that eclipse/gtk  
>>> crashes and this was tracked down to non-standard compiler  
>>> optimizations when building gtk. There have been similar bug reports  
>>> filed against the eclipse and gcc bug databases. Some gcc people 
>>> have  tracked it down to incorrect stack alignment (see ports/72014 
>>> for the  pointers) and have received reports that using -mno-sse2 
>>> fixed it.  Daniel has verified that this seems to help our case also.
>>
>>
>> It's a nice find the locate that SSE2 is causing the problem.  
>> Mono/gtk-sharp have the same problems and we always have to tell them 
>> to  not tweak the CPUTYPE. After look at our PR and GCC's PRs, looks 
>> like  might be either GCC or our libc bug.
>>
>>> Therefore the question is, should we force -mno-sse2 to the compiler  
>>> flags for the gtk ports? I would expect less bug reports from people  
>>> who compile gtk apps with non-standard CFLAGS, at least.
>>
>>
>> It's good idea, I would like to add -mno-sse2 too. Here's patch, so 
>> let  me know if I don't understand it correct or/and my English isn't 
>> right.
> 
> 
> I have committed it in both MC and offical ports tree.
> 
> Cheers,
> Mezz

Excellent, thanks!
Now if someone who has reported this issue could verify that the updated 
gtk fixes ports/72014 we could close that, too.

Thanks,

Panagiotis