tree 3e99eb51eb64f9d0994330ed84b982918b3a84c6
parent e9720a001d4feffe1fc9770859fe9913d0d5ede6
author costan <costan@google.com> 1498591413 -0700
committer Victor Costan <pwnall@chromium.org> 1498700228 -0700

Set minimum CMake version to 3.1.

The project only needs CMake 3.1 features, and some Travis CI bots have
CMake 3.2.2. Therefore, requiring CMake 3.4 is inconvenient.