Re: libreoffice build error

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On Wed, 18 Sep 2013 20:00:09 -0400
Jung-uk Kim <jkim_at_FreeBSD.org> wrote:

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> On 2013-09-18 13:20:27 -0400, Jung-uk Kim wrote:
> 2013년  9월 18일 13:20, Jung-uk Kim 쓴 글:> On 2013-09-18 12:39:46
> - -0400, David Chisnall wrote:
> >> On 18 Sep 2013, at 16:26, Tijl Coosemans <tijl_at_freebsd.org>
> >> wrote:
> > 
> >>> On Tue, 17 Sep 2013 21:04:14 -0400 Jung-uk Kim wrote:
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> >>>> 
> >>>> On 2013-09-17 13:24:41 -0400, Jung-uk Kim wrote:
> >>>>> I am still working on libc++ issues but it is much more 
> >>>>> complicated. :-(
> >>>> 
> >>>> I fixed almost everything except for exception handling 
> >>>> issues. Unfortunately, libc++/libcxxrt's exception handling
> >>>> is not 100% compatible with libstdc++'s and I couldn't find
> >>>> a proper fix. :-(
> >>>> 
> >>>> Basically, C++/UNO bridge for LibreOffice/OpenOffice does
> >>>> some clever hacks, somewhat similar to the example on this
> >>>> blog page:
> >>>> 
> >>>> http://zbigg.blogspot.com/2009/03/catch-on-g.html

> >>> 
> >>> The definition of struct __cxa_exception doesn't match the one 
> >>> in /usr/include/c++/v1/cxxabi.h.  There's an extra field at
> >>> the start in the __LP64__ case: uintptr_t referenceCount.
> > 
> >> This field is present in newer versions of the ABI spec and is
> >> also there in new versions of libsupc++.  It's required for
> >> implementing C++11 dependent exceptions.
> > 
> >> It shouldn't matter for code that doesn't allocate the structure 
> >> (and nothing outside of libsupc++ / libcxxrt should be
> >> allocating them), because these structures are always passed
> >> around by pointers to their ends (where the _Unwind_Exception
> >> structure lives).
> > 
> > Ah, I see.  Now I wrote a proper fix and it looks very promising.
> > :-)
> 
> Committed:
> 
> http://svnweb.freebsd.org/changeset/ports/327589

> 
> Thanks!
> 
> Jung-uk Kim
> 
> * PS: IMHO, the ABI compatibility issue must be fixed before 10.0.
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LibreOffice now builds again and is usable with CURRENT. Very good job,
thank you very much for repairing the port!

Regards,
Oliver
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