Commits
Wes McKinney authored 5eaa3abb19c
ARROW-2655: [C++] Fix compiler warnings with gcc 7 I experienced a couple warnings causing build failures with `-Wconversion -Werror` with gcc 7.3.0 Also fixes ARROW-2669 Author: Wes McKinney <wesm+git@apache.org> Closes #2095 from wesm/ARROW-2655 and squashes the following commits: 7a88c87a <Wes McKinney> Fix compiler warnings with gcc 7. Pass EP_CXX_FLAGS when building gbenchmark per ARROW-2669