eroen 886bc7e2f6 libc++ fixes: don't rely on tr1
libc++ doesn't ship tr1, but ships unordered_map as it is part of c++11.

Since this is the only tr1 header used in openmw, add a check for c++11
unordered_map and fallback to tr1 unordered_map if it's not found.
2013-05-26 12:44:30 +02:00
..