From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Yegor Yefremov <yegorslists@googlemail.com>
Cc: buildroot@buildroot.org, Adrian Perez de Castro <aperez@igalia.com>
Subject: Re: [Buildroot] [PATCH v2] package/sysprof: fix build on 32-bit x86 with AVX2
Date: Mon, 19 Oct 2026 16:15:36 +0200 [thread overview]
Message-ID: <atYl8GuwJY6TfMeY@windsurf> (raw)
In-Reply-To: <20261019135721.1648298-1-yegorslists@gmail.com>
On Mon, Oct 19, 2026 at 03:57:21PM +0200, Yegor Yefremov wrote:
> From: Yegor Yefremov <yegorslists@googlemail.com>
>
> The bundled CRoaring code enables its x64 specific code paths as soon
> as __AVX2__ (or __POPCNT__ and __SSE4_2__) is defined, which also
> happens on 32-bit x86 targets such as i686 with BR2_x86_haswell. This
> results in calls to 64-bit only intrinsics:
>
> roaring.h:260:18: error: implicit declaration of function '_mm_popcnt_u64'; did you mean '_mm_popcnt_u32'? [-Wimplicit-function-declaration]
>
> Backport the upstream patch that defines DISABLE_X64 when building
> for 32-bit x86, so that the portable implementation is used instead.
>
> This issue has been present since commit 0d57555407 ("package/sysprof:
> update to version 46.0"), which switched to the new sysprof code base
> bundling CRoaring in contrib/eggbitset. It therefore affects 2024.08
> and later.
>
> Fixes:
> https://autobuild.buildroot.org/results/f00d523aa13923c9eb73ae4e1b1f04f297512351
>
> Assisted-by: Claude:claude-opus-5-5
> Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
I've added a proper Fixes: tag pointing to the commit that first
caused the issue, and applied to master. Thanks!
Best regards,
Thomas Petazzoni
--
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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prev parent reply other threads:[~2026-10-19 14:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 12:31 [Buildroot] [PATCH] package/sysprof: fix build on 32-bit x86 with AVX2 Yegor Yefremov via buildroot
2026-10-19 13:18 ` Thomas Petazzoni via buildroot
2026-10-19 13:57 ` [Buildroot] [PATCH v2] " Yegor Yefremov
2026-10-19 14:15 ` Thomas Petazzoni via buildroot [this message]
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