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From: Drew Parsons <dparsons@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: xsimd: drop arch-specific armhf build flags
Message-ID: <177157629033.3496668.8211200044126729496.reportbug@sandy>
X-Mailer: reportbug 13.2.0
Date: Fri, 20 Feb 2026 09:31:30 +0100
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Source: xsimd
Version: 14.0.0-5
Severity: normal
X-Debbugs-Cc: debian-arm@lists.debian.org
User: debian-arm@lists.debian.org
Usertags: armhf
Control: forwarded -1 https://github.com/xtensor-stack/xsimd/issues/1260

Bug#1128257 requested we drop the arch-specific build flags for armhf.
But we found they are still needed to manage failure with NEON code on
32-bit ARM, and instead updated them to -march=armv7-a+fp

However, the principle of not applying arch-specific build flags is
still reasonable in general. We should drop them if we can.

This requires help upstream to resolve the SIGABRT in 
  [batch]<xsimd::batch<unsigned char>>
on 32-bit ARM systems that claim neon support
(i.e. on armv8l, which is Aarch64 hardware but used by debian to provide armhf environments).

This is upstream issue #1260.
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