[lsb-discuss] LSB, GCC versions C++11 and libstdc++

Wichmann, Mats D mats.d.wichmann at intel.com
Mon Dec 17 14:14:23 UTC 2012


On Mon, Dec 17, 2012 at 6:42 AM, Dallman, John <john.dallman at siemens.com>wrote:

> Thanks for all that.
>
> > When a new version of gcc comes out, we test it with our SDK and make
> > adjustments as needed.  We haven't done that for 4.7 yet.
>
> What are the maximum GCC versions supported for LSB 3.1, 4.0 and 4.1,
> please? And what are the minimum GCC versions of libstdc++.so.6 for
> each of them?
>
> > Most likely, any new symbols that come with C++ 11 support will show up
> > in a newer version of the LSB sometime in the future.
>
> Makes sense. Would that likely be LSB 5.0, or something later?



==
gcc 4.6 should work for all LSB versions.  There are, I believe, issues
relating to shared libraries were it's possible a gcc of the 4.5/4.6 era
might put in something incompatible in a header we've not found a way to
prevent.  Someone else would have to comment on that. I think it
was a fairly minor case.

LSB's C++ is based on that from gcc 4.1.   An uplift is on the calendar:
https://wiki.linuxfoundation.org/en/Uplift_Target   and
https://lsbbugs.linuxfoundation.org/show_bug.cgi?id=3100
( although admittedly the two year old bug isn't very descriptive ).

I wouldn't necessarily be holding my breath over this one in
the near future, though.
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