[hatari-devel] -fno-common for macOS

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To: Hatari devel list <hatari-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [hatari-devel] -fno-common for macOS
From: Andreas Grabher <andreas_g86@xxxxxxxxxx>
Date: Mon, 21 Jul 2025 11:45:02 +0200
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Hello all,

it seems the latest compilers on macOS require -fno-common to be set in order to avoid a compilation error (ld: warning: reducing alignment of section __DATA,__common from 0x8000 to 0x4000 because it exceeds segment maximum alignment).

Here is a post about the issue: https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2025-May/343169.html

At the moment -fno-common is only set if ASAN is enabled but it should always be set.

Regards,

Andreas

Follow-Ups:
- Re: [hatari-devel] -fno-common for macOS
  - From: Nicolas Pomarède
- Re: [hatari-devel] -fno-common for macOS
  - From: Eero Tamminen

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