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Subject: [DPDK/core Bug 1798] Meson can't find MLX5 build dependencies with
 clang
Date: Fri, 03 Oct 2025 11:45:34 +0000
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http://bugs.dpdk.org/show_bug.cgi?id=3D1798

            Bug ID: 1798
           Summary: Meson can't find MLX5 build dependencies with clang
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev@dpdk.org
          Reporter: alialnu@nvidia.com
  Target Milestone: ---

Created attachment 331
  --> http://bugs.dpdk.org/attachment.cgi?id=3D331&action=3Dedit
Meson logs with and without the first bad commit

MLX5 drivers are getting disabled due to missing dependency warnings:

Message: Disabling mlx5 [drivers/net/mlx5]: missing internal dependency
"common_mlx5"

Build command:
CC=3Dclang PKG_CONFIG_PATH=3D/opt/rdma-core/build/lib/pkgconfig meson
--werror --buildtype=3Ddebugoptimized build

OS: Ubuntu 22.04
Compiler: clang 14.0.0
Meson: 0.61.2

gcc does not reproduce.

$ PKG_CONFIG_PATH=3D:/opt/rdma-core/build/lib/pkgconfig pkg-config --modver=
sion
libibverbs
1.15.60.0

git-bisect points to 0681e15f42df ("build: validate libraries returned from
meson find function").

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