Re: [PATCH] linux: Allow extra make arguments

[Jan Kiszka <jan.kiszka@siemens.com>]

On 22.05.24 14:02, Anton Mikanovich wrote:
> Add a new variable into TEMPLATE_VARS and the command line -
> KERNEL_EXTRA_BUILDARGS which allows to pass additional arguments for
> kernel building.

Which use cases do you have in mind? Pleaes always describe the reasons
for a patch.

Jan

> 
> Signed-off-by: Ilia Skochilov <iskochilov@ilbers.de>
> Signed-off-by: Anton Mikanovich <amikan@ilbers.de>
> ---
>  meta/recipes-kernel/linux/files/debian/isar/build.tmpl | 4 ++--
>  meta/recipes-kernel/linux/linux-custom.inc             | 4 ++++
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/meta/recipes-kernel/linux/files/debian/isar/build.tmpl b/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
> index 81a6ba8a..bafc5ca4 100644
> --- a/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
> +++ b/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
> @@ -22,9 +22,9 @@ do_build() {
>      sed -i "s/@KR@/${KR}/g" ${S}/debian/control ${S}/debian/linux-image-${KERNEL_NAME_PROVIDED}.*
>  
>      if echo "${DEB_BUILD_PROFILES}" | grep -q "kernel"; then # Build kernel scripts and tools
> -        ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}"
> +        ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} ${KERNEL_EXTRA_BUILDARGS} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}"
>      elif echo "${DEB_BUILD_PROFILES}" | grep -q "kbuild"; then # Build kernel scripts and tools
> -        ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}" scripts
> +        ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} ${KERNEL_EXTRA_BUILDARGS} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}" scripts
>          if grep -q -E "CONFIG_STACK_VALIDATION=y|CONFIG_HAVE_OBJTOOL=y" ${KERNEL_BUILD_DIR}/.config && [ -d "tools/objtool" ]; then
>              ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}" tools/objtool || true
>          fi
> diff --git a/meta/recipes-kernel/linux/linux-custom.inc b/meta/recipes-kernel/linux/linux-custom.inc
> index 0d222332..48efad03 100644
> --- a/meta/recipes-kernel/linux/linux-custom.inc
> +++ b/meta/recipes-kernel/linux/linux-custom.inc
> @@ -82,6 +82,7 @@ TEMPLATE_VARS += "                \
>      KCFLAGS                       \
>      KAFLAGS                       \
>      DISTRIBUTOR                   \
> +    KERNEL_EXTRA_BUILDARGS        \
>  "
>  
>  inherit dpkg
> @@ -92,6 +93,9 @@ inherit kbuildtarget
>  KCFLAGS ?= "-fdebug-prefix-map=${CURDIR}=."
>  KAFLAGS ?= "-fdebug-prefix-map=${CURDIR}=."
>  
> +# Add extra arguments to the kernel build
> +KERNEL_EXTRA_BUILDARGS ??= ""
> +
>  # Derive name of the kernel packages from the name of this recipe
>  KERNEL_NAME_PROVIDED ?= "${@ d.getVar('BPN').partition('linux-')[2]}"
>  

-- 
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