[ARROW-17440] [C++] Does not build on RISC-V natively

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 8.0.1
• Fix Version/s: 10.0.0
• Component/s: C++
• Labels: pull-request-available
• Environment: Arch Linux riscv64
• External issue URL: https://github.com/apache/arrow/issues/32706
• Assignee: Yibo Cai
• Reporter: Felix Yan
• Created: 16/Aug/22 20:27
• Updated: 11/Jan/23 11:50
• Resolved: 17/Aug/22 08:47

Description

In SetupCxxFlags.cmake, CMAKE_SYSTEM_PROCESSOR is not recognized and thus ARROW_CPU_FLAG is set to "x86". Which makes compilation to fail later with:

In file included from /build/arrow/src/apache-arrow-8.0.1/cpp/src/arrow/array/validate.cc:33:
In file included from /build/arrow/src/apache-arrow-8.0.1/cpp/src/arrow/util/utf8.h:32:
In file included from /build/arrow/src/apache-arrow-8.0.1/cpp/src/arrow/util/simd.h:37:
/usr/lib/clang/14.0.6/include/nmmintrin.h:14:2: error: "This header is only meant to be used on x86 and x64 architecture"
#error "This header is only meant to be used on x86 and x64 architecture"
^

Issue Links

• links to: GitHub Pull Request #13902