On 09.09.2012 11:46, JonY wrote:
> On 9/9/2012 17:33, Peter Kümmel wrote:
>> On 09.09.2012 11:13, niXman wrote:
>>> 2012/9/9 Peter Kümmel:
>>>
>>>> - 32 bit target: dwarf2
>>> Get scripts from Github:
>>> $ git clone g...@github.com:niXman/mingw-builds.git
>>> $ cd mingw-builds
>>> $ ./build gcc-4.7.1 x32 --dwarf --mingw-compress
>>>
>>>
>>>> - 64 bit target: dwarf2 < 4.7.1, SEH > 4.7.1
>>> dwarf is not implemented for 64 bit target.
>>
>> Ah thanks:
>> http://sourceforge.net/apps/trac/mingw-w64/wiki/Exception%20Handling
>>
>> So until now on 64 bit always SJLJ is used? Or are there alternatives?
>>
>> Is SEH in 4.7.2 or only in 4.8? How stable is it?
>>
>
> To clarify, DW2 does not work for win64 at all.
>
> SEH is enabled in 4.8 series, not sure about 4.7.3 though. I can't
> comment on how stable it is since it's rather new.
>
>>>
>>>> - multilib
>>> Also using dwarf not allowed.
>>
>> Also no 32/dwarf & 64/SEH? Any technical reasons or simply not supported by 
>> GCC?
>>
>
> I did make a multilib sjlj-win32 with seh-win64 4.8 trunk GCC. Just
> avoid specifying the EH type and you'll get the mix multilib setup.

We want to avoid sjlj at all because of performance.

>
> Somehow I'm thinking GCC 4.8 stage 1 isn't really what you are after.

Yes, but maybe SEH is already in 4.7.2.

>
>
>
>
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