[IMPALA-4651] Add libev 4.2.0 to toolchain and as a build dependency

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.8.0
• Fix Version/s: Impala 2.9.0
• Component/s: Distributed Exec
• Target Version: Impala 2.9.0
• Assignee: Henry Robinson
• Reporter: Henry Robinson
• Created: 12/Dec/16 18:40
• Updated: 12/Jan/17 23:51
• Resolved: 12/Jan/17 23:51

Description

Kudu RPC's IO subsystem relies on events, via libev. To support KRPC in Impala, we need to add v4.2.0 to the toolchain.