[PATCH v2 2/4] build: support function versioning for drivers

[David Marchand]

On Wed, 24 Jun 2026 at 15:15, Dariusz Sosnowski <dsosnowski at nvidia.com> wrote:
>
> Add support for enabling function versioning
> (through use_function_versioning meson variable) for drivers,
> similar to libraries.
>
> Signed-off-by: Dariusz Sosnowski <dsosnowski at nvidia.com>
> ---
>  drivers/meson.build | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/meson.build b/drivers/meson.build
> index 4d95604ecd..a63d93372a 100644
> --- a/drivers/meson.build
> +++ b/drivers/meson.build
> @@ -171,6 +171,7 @@ foreach subpath:subdirs
>          pkgconfig_extra_libs = []
>          testpmd_sources = []
>          require_iova_in_mbuf = true
> +        use_function_versioning = false
>          # for handling base code files which may need extra cflags
>          base_sources = []
>          base_cflags = []
> @@ -273,6 +274,13 @@ foreach subpath:subdirs
>          endif
>          dpdk_conf.set(lib_name.to_upper(), 1)
>
> +        if developer_mode and is_windows and use_function_versioning
> +            message('@0@: Function versioning is not supported by Windows.'.format(name))
> +        endif
> +        if use_function_versioning
> +            cflags += '-DRTE_USE_FUNCTION_VERSIONING'
> +        endif
> +
>          dpdk_extra_ldflags += pkgconfig_extra_libs
>
>          dpdk_headers += headers

Don't we need to build with RTE_BUILD_SHARED_LIB for the shared library objects?


-- 
David Marchand