configure: test for -Wfloat-conversion
authorJames Zern <jzern@google.com>
Fri, 22 Jul 2016 20:13:56 +0000 (13:13 -0700)
committerJames Zern <jzern@google.com>
Mon, 25 Jul 2016 19:05:15 +0000 (19:05 +0000)
commit889ed5b158fc280927f2de9172d48245c3b735a7
treea76c361b43d5f86e822c6374b05087bc54940a02
parent7aa0c748b34a242ceb3609b0638674a1fe396931
configure: test for -Wfloat-conversion

supported by clang, gcc-4.9+

Change-Id: I893766de7307fef9a8b68c0cfae137c9d3b0dbe8
configure