Commits
Uwe L. Korn authored and Wes McKinney committed 8378c48df53
ARROW-589: C++: Use system provided shared jemalloc if static is unavailable Author: Uwe L. Korn <uwelk@xhochy.com> Closes #355 from xhochy/ARROW-589 and squashes the following commits: a9d88bc [Uwe L. Korn] ARROW-589: C++: Use system provided shared jemalloc if static is unavailable