Re: [lttng-dev] [PATCH] Fix: list lttng sub-directory in Kbuild

On 8/10/23 06:05, Richa Bharti wrote:
> From: Richa Bharti <[email protected]>

Hi!

Thanks for your patch. I'm adding Michael Jeanson and the lttng-dev 
mailing list in CC.

Thanks,

Mathieu

> 
> * Linux kernel>=6.1 reads sub-directory from Kbuild
> * Kernel < 6.1 reads sub-directory from Makefile
> 
> Signed-off-by: Richa Bharti <[email protected]>
> ---
>   scripts/built-in.sh | 12 +++++++++++-
>   1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/scripts/built-in.sh b/scripts/built-in.sh
> index f0594ec..2451230 100755
> --- a/scripts/built-in.sh
> +++ b/scripts/built-in.sh
> @@ -14,9 +14,19 @@ KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
>   # Symlink the lttng-modules directory in the kernel source
>   ln -sf "$(pwd)" "${KERNEL_DIR}/lttng"
>   
> +# Get kernel version from Makefile
> +version=$(grep -m 1 VERSION ${KERNEL_DIR}/Makefile | sed 's/^.*= //g')
> +patchlevel=$(grep -m 1 PATCHLEVEL ${KERNEL_DIR}/Makefile | sed 's/^.*= //g')
> +kernel_version=${version}.${patchlevel}
> +
>   # Graft ourself to the kernel build system
>   echo 'source "lttng/src/Kconfig"' >> "${KERNEL_DIR}/Kconfig"
> -sed -i 's#+= kernel/#+= kernel/ lttng/#' "${KERNEL_DIR}/Makefile"
> +
> +if awk "BEGIN {exit !(${kernel_version} >= 6.1)}"; then
> +	echo 'obj-y += lttng/' >> "${KERNEL_DIR}/Kbuild"
> +else
> +	sed -i 's#+= kernel/#+= kernel/ lttng/#' "${KERNEL_DIR}/Makefile"
> +fi
>   
>   echo >&2
>   echo "    $0: done." >&2

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com

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