ceph/ceph — pull request #829 by noahdesu (2013-11-06 23:14:16+00:00)
Title: conf: use better clang detection

Handle case where compiler isn't called 'clang'. This is slightly
modified from the version here:
http://src.chromium.org/svn/branches/1312/src/third_party/mesa/MesaLib/configure.ac

Signed-off-by: Noah Watkins