K 10 svn:author V 5 danfe K 8 svn:date V 27 2018-01-15T14:35:10.885181Z K 7 svn:log V 306 Unbreak the build against Clang 6.0.0 by allowing certain warnings while I'm not in the mood for fixing them (technically, `-Wno-c++11-narrowing' is only required for Clang 6 and later, but since it does not apparently upset other compilers, pass it unconditionally rather than complicate Makefile logic). END