Commits

Wes McKinney authored 314e9f0e55b
ARROW-6457: [C++] Always set CMAKE_BUILD_TYPE if it is not defined This may be a dup of another issue, but I encountered this locally and this produces default RELEASE build type with both Ninja and MSVC build generator for me Closes #5282 from wesm/ARROW-6457 and squashes the following commits: aad180da9 <Wes McKinney> Always set CMAKE_BUILD_TYPE if it is not defined 9da306a27 <Wes McKinney> Always set CMAKE_BUILD_TYPE if it is not defined Authored-by: Wes McKinney <wesm+git@apache.org> Signed-off-by: Wes McKinney <wesm+git@apache.org>