[PARQUET-955] [C++] pkg_check_modules will override $ARROW_HOME if it is set in the environment

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: cpp-1.1.0
• Component/s: parquet-cpp
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 15/Apr/17 23:53
• Updated: 16/Apr/17 17:34
• Resolved: 16/Apr/17 17:34

Description

If the user has set $ARROW_HOME, it may be ignored if there is a prior system-level Arrow installation that can be detected by pkg_check_modules. This can result in confusing build failures