[PARQUET-957] [C++] Add optional $PARQUET_BUILD_TOOLCHAIN environment variable option for configuring build environment

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: cpp-1.1.0
• Component/s: parquet-cpp
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 18/Apr/17 16:03
• Updated: 21/Apr/17 01:17
• Resolved: 21/Apr/17 01:17

Description

Some users will install a centralized build toolchain containing all of the build dependencies for Parquet. We should provide an environment variable option to help with this, rather than having to set each thirdparty $FOO_HOME variable separately.

see also ARROW-849