[FYI] C++ compilers vs. __cplusplus (was Re: SV: Re: make failed for editors/libreoffice)

[Jung-uk Kim]

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On 2012-07-19 15:36:54 -0400, Jung-uk Kim wrote:
> On 2012-07-19 15:09:08 -0400, Dimitry Andric wrote:
>> Btw, does anybody know *why* the LibreOffice port attempts to 
>> compile everything as C++0x or C++11?   Is it really using those 
>> features?
> 
> It is using some of its features, I guess:
> 
> ifeq ($(HAVE_CXX0X),TRUE) #Currently, as well as for its own
> merits, c++11/c++0x mode allows use to use #a template for
> SAL_N_ELEMENTS to detect at compiler time its misuse gb_CXXFLAGS +=
> -std=c++0x ...
> 
> I don't know the impact of turning it off, however.  Some time ago,
> I tried to forcefully turning it off but I wasn't able to make it
> work on all releases at the time.

More investigation showed that it was added because Boost 1.48 had
serious regression:

http://cgit.freedesktop.org/libreoffice/bootstrap/commit/?h=libreoffice-3-4&id=9c2ab9f4febec2b2c5fac25469f1d0cfedc6af5e

It seems to be related to this Boost issue:

https://svn.boost.org/trac/boost/ticket/6167

Jung-uk Kim
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