[IMPALA-4649] Add a mechanism to pass flags into make

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.9.0
• Fix Version/s: Impala 2.9.0
• Component/s: Infrastructure
• Target Version: Product Backlog
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 12/Dec/16 18:31
• Updated: 24/Jan/17 18:57
• Resolved: 22/Dec/16 23:42

Description

We should add a mechanism for build scripts to pass flags into make.

For example philip was telling me offline about some experiments he did with passing --load-avg to make. It allowed him to build Impala in parallel with other processes without blowing up memory consumption. There's currently no way to do this aside from hacking build scripts.