[PATCH v2] doc: update parameters to use for mlx5 on Windows

Andre Muezerie andremue at linux.microsoft.com
Tue Jul 15 16:14:49 CEST 2025


The linker parameters to use with MSVC and Clang differ.
Showing explicitly what to use with each in the documentation.

Signed-off-by: Andre Muezerie <andremue at linux.microsoft.com>
---
 doc/guides/platform/mlx5.rst | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/doc/guides/platform/mlx5.rst b/doc/guides/platform/mlx5.rst
index ab3107209a..94ed59b170 100644
--- a/doc/guides/platform/mlx5.rst
+++ b/doc/guides/platform/mlx5.rst
@@ -268,14 +268,33 @@ configured by the ``ibverbs_link`` build option:
 Compilation on Windows
 ~~~~~~~~~~~~~~~~~~~~~~
 
-The DevX SDK location must be set through CFLAGS/LDFLAGS,
-either::
+The DevX SDK location must be set through CFLAGS/LDFLAGS.
+When compiling with MSVC, use either::
 
-   meson.exe setup "-Dc_args=-I\"%DEVX_INC_PATH%\"" "-Dc_link_args=-L\"%DEVX_LIB_PATH%\"" ...
+   meson.exe setup ^
+       "-Dc_args=-I\"%DEVX_INC_PATH%\"" ^
+       "-Dc_link_args=-LIBPATH:\"%DEVX_LIB_PATH%\"" ^
+       -Denable_stdatomic=true ^
+       ...
 
 or::
 
-   set CFLAGS=-I"%DEVX_INC_PATH%" && set LDFLAGS=-L"%DEVX_LIB_PATH%" && meson.exe setup ...
+   set CFLAGS=-I"%DEVX_INC_PATH%"
+   set LDFLAGS=-LIBPATH:"%DEVX_LIB_PATH%"
+   meson.exe setup -Denable_stdatomic=true ...
+
+When compiling with Clang, use either::
+
+   meson.exe setup ^
+       "-Dc_args=-I\"%DEVX_INC_PATH%\"" ^
+       "-Dc_link_args=-Wl,-LIBPATH:\"%DEVX_LIB_PATH%\"" ^
+       ...
+
+or::
+
+   set CFLAGS=-I"%DEVX_INC_PATH%"
+   set LDFLAGS=-Wl,-LIBPATH:"%DEVX_LIB_PATH%"
+   meson.exe setup ...
 
 
 .. _mlx5_common_env:
-- 
2.50.1.vfs.0.0



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