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Re: [PATCH 4/6] meson: allow configuring the x86-64 baseline


From: Richard Henderson
Subject: Re: [PATCH 4/6] meson: allow configuring the x86-64 baseline
Date: Thu, 20 Jun 2024 10:16:00 -0700
User-agent: Mozilla Thunderbird

On 6/20/24 06:02, Paolo Bonzini wrote:
Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
---
  meson.build                   | 41 ++++++++++++++++++++++++++++-------
  meson_options.txt             |  3 +++
  scripts/meson-buildoptions.sh |  3 +++
  3 files changed, 39 insertions(+), 8 deletions(-)

Acked-by: Richard Henderson <richard.henderson@linaro.org>

For -mneeded, we need gcc 11 and for enforcing GNU_PROPERTY_X86_ISA_1_NEEDED we need glibc 2.33, so:

  debian 12
  fedora 34
  ubuntu 2204
  suse leap 15.6 or tumbleweed.
  centos stream 9

I believe the -mneeded option will be accepted by FreeBSD's clang, but the note will not be enforced by the dynamic linker at startup.

However, since this is all optional, requiring an explicit configure option, I don't think any of this versioning should stand in the way.


r~



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