[ARROW-2994] [C++] Only include Python C header directories for Python-related compilation units

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/19356
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 06/Aug/18 18:59
• Updated: 11/Jan/23 07:24
• Resolved: 08/Aug/18 16:36

Description

This is causing ccache artifacts to not be reusable when switching between Python 2.7 and 3.x

See relevant line https://github.com/apache/arrow/blob/master/cpp/CMakeLists.txt#L721

Issue Links

• links to: GitHub Pull Request #2380