[Tile-serving] [osm2pgsql] Optionally enable C++11 (#332)

[Sarah Hoffmann]

Is it ok to merge this, now that the release has been tagged? It's a prerequisite for fixing #231.

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/332#issuecomment-98806699
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20150504/115649e8/attachment.html>