[ARROW-1253] [C++] Use pre-built toolchain libraries where prudent to speed up CI builds

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.6.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/17126
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 24/Jul/17 02:22
• Updated: 11/Jan/23 07:13
• Resolved: 25/Jul/17 17:14

Description

Our Travis CI builds, particularly the ones including Python, are spending a lot of time rebuilding the thirdparty toolchain. We should limit how many times we build the toolchain to just enough to be confident that it yields a working system