* Jakob Haufe <[email protected]> [260722 05:47]:
On Wed, 22 Jul 2026 05:47:37 +0200
Chris Hofstaedtler <[email protected]> wrote:

This is a baseline violation for Debian purposes. Either numpy needs
to build without the new instructions, or it needs to add runtime
CPU feature detection.

From the build log for 1:2.4.6+ds-2:

Configuring npy_cpu_dispatch_config.h using configuration
Message:
CPU Optimization Options
 baseline:
   Requested : min
   Enabled   : X86_V2
 dispatch:
   Requested : max
   Enabled   : X86_V3 X86_V4 AVX512_ICL AVX512_SPR


So AIUI, it intends to do exactly that, but somehow fails.

If "baseline" "Enabled : X86_V2" means what I think it does, then while it might support _V3 and _V4, the baseline is just wrong for Debian's amd64.

Chris

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