linux-kernel - Re: [PATCH] selftests: bpf: Support dynamic linking LLVM if static not available

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Message-ID: <16e32444-61b0-44f0-9466-b4041dc57267@linux.dev>
Date: Thu, 30 Jan 2025 22:22:28 -0800
From: Yonghong Song <yonghong.song@...ux.dev>
To: Daniel Xu <dxu@...uu.xyz>, shuah@...nel.org, andrii@...nel.org,
 eddyz87@...il.com, ast@...nel.org, nathan@...nel.org, daniel@...earbox.net
Cc: martin.lau@...ux.dev, song@...nel.org, john.fastabend@...il.com,
 kpsingh@...nel.org, sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org,
 mykolal@...com, ndesaulniers@...gle.com, morbo@...gle.com,
 justinstitt@...gle.com, bpf@...r.kernel.org,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
 llvm@...ts.linux.dev
Subject: Re: [PATCH] selftests: bpf: Support dynamic linking LLVM if static
 not available




On 1/30/25 2:33 PM, Daniel Xu wrote:
> Since 67ab80a01886 ("selftests/bpf: Prefer static linking for LLVM
> libraries"), only statically linking test_progs is supported. However,
> some distros only provide a dynamically linkable LLVM.
>
> This commit adds a fallback for dynamically linking LLVM if static
> linking is not available. If both options are available, static linking
> is chosen.
>
> Signed-off-by: Daniel Xu <dxu@...uu.xyz>

LGTM.

Acked-by: Yonghong Song <yonghong.song@...ux.dev>