[ARROW-1159] [C++] Static data members cannot be accessed from inline functions in Arrow headers by thirdparty users

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/16817
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 27/Jun/17 19:00
• Updated: 11/Jan/23 07:13
• Resolved: 27/Jun/17 20:06

Description

This problem was exposed by the code migration in ARROW-1154. This yields DLL linking errors like

column_writer.cc.obj : error LNK2001: unresolved external symbol "private: static __int64 arrow::CpuInfo::hardware_flags_" (?hardware_flags_@CpuInfo@arrow@@0_JA)
statistics.cc.obj : error LNK2001: unresolved external symbol "private: static __int64 arrow::CpuInfo::hardware_flags_" (?hardware_flags_@CpuInfo@arrow@@0_JA)