[PATCH] kni: fix build with Linux 6.10
Thomas Monjalon
thomas at monjalon.net
Thu Jul 18 11:16:14 CEST 2024
Adding stable at dpdk.org and LTS maintainers as Cc.
It must be merged directly in LTS branches.
16/07/2024 10:44, Jiri Slaby:
> 6.10 removed the "support" (it was never supported [1]) of separate
> source and build dirs for out of tree modules.
>
> KNI uses "src=" hack for that purpose.
>
> Instead, copy sources to the build dir and don't rely upon the
> unsupported...
>
> Intended esp. for stable/22.11. It should go wherever kni is still in
> the tree.
>
> [1] https://lore.kernel.org/all/CAK7LNAQ47bZpE6c6Yoz-jQS78uU611oZwU8bH+7e=p5zSyADJw@mail.gmail.com/
>
> Signed-off-by: Jiri Slaby <jslaby at suse.cz>
> ---
> kernel/linux/kni/meson.build | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/kernel/linux/kni/meson.build b/kernel/linux/kni/meson.build
> index 4c90069e..39ca2ade 100644
> --- a/kernel/linux/kni/meson.build
> +++ b/kernel/linux/kni/meson.build
> @@ -11,8 +11,8 @@ if run_cmd.stdout().contains('txqueue') == true
> kmod_cflags = '-DHAVE_ARG_TX_QUEUE'
> endif
>
> -
> -kni_mkfile = custom_target('rte_kni_makefile',
> +kni_deps = []
> +kni_deps += custom_target('rte_kni_makefile',
> output: 'Makefile',
> command: ['touch', '@OUTPUT@'])
>
> @@ -22,12 +22,15 @@ kni_sources = files(
> 'Kbuild',
> )
>
> +foreach file : kni_sources
> + kni_deps += fs.copyfile(file)
> +endforeach
> +
> custom_target('rte_kni',
> input: kni_sources,
> output: 'rte_kni.ko',
> command: ['make', '-j4', '-C', kernel_build_dir,
> 'M=' + meson.current_build_dir(),
> - 'src=' + meson.current_source_dir(),
> ' '.join(['MODULE_CFLAGS=', kmod_cflags,'-include '])
> + dpdk_source_root + '/config/rte_config.h' +
> ' -I' + dpdk_source_root + '/lib/eal/include' +
> @@ -35,7 +38,7 @@ custom_target('rte_kni',
> ' -I' + dpdk_build_root +
> ' -I' + meson.current_source_dir(),
> 'modules'] + cross_args,
> - depends: kni_mkfile,
> + depends: kni_deps,
> install: install,
> install_dir: kernel_install_dir,
> build_by_default: get_option('enable_kmods'))
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