Commits
Wes McKinney authored d61ae4ae488
ARROW-3449: [C++] Fixes to build with CMake 3.2. Document what requires newer CMake This also resolves ARROW-3984 Author: Wes McKinney <wesm+git@apache.org> Closes #3174 from wesm/ARROW-3449 and squashes the following commits: 9f33412c4 <Wes McKinney> Fixes to build with CMake 3.2. Document what features require newer CMake in the README. Add Docker task for CMake 3.2 from kszucs