[patch, libstdc++] Use explicit relative imports for the pretty printers

[Jonathan Wakely]

On 25 February 2015 at 20:22, Matthias Klose wrote:
> When gdb is linked/used with Python 3, import of the pretty printers fails:
>
> Traceback (most recent call last):
>  File
> "/usr/share/gdb/auto-load/usr/lib/i386-linux-gnu/libstdc++.so.6.0.21-gdb.py",
> line 58, in <module>
>    import libstdcxx.v6
>  File
> "/usr/lib/i386-linux-gnu/../../share/gcc-5/python/libstdcxx/v6/__init__.py",
> line 19, in <module>
>    from printers import register_libstdcxx_printers
> ImportError: No module named 'printers'
> [Inferior 1 (process 6130) exited normally]
>
> Python3 doesn't support implicit relative imports anymore.  Use explicit
> relative imports instead.  This syntax is compatible with Python 2.5 and newer
> 2.x versions.  Ok for the trunk?

OK, thanks.