[Buildroot] [PATCH 4/5 v2] linux: simplify adding new extensions
Romain Naour
romain.naour at openwide.fr
Thu Mar 26 21:54:11 UTC 2015
Hi Yann, All,
Le 14/03/2015 15:25, Yann E. MORIN a écrit :
> Curently, all three linux extensions follow the same layout:
> - test if the extension is enabled
> - add itself to linux' patch-dependencies
> - declare a macro, added as the pre-patch hook
>
> Except for the macro, all can be commonalised.
>
> Add a simple infrastructure for that:
> - extensions declare themselves in the list of extensions
> - extensions define their macro
> - the infra adds them to the patch-dependencies and pre-patch
> hooks as appropriate
>
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> ---
> linux/linux.mk | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/linux/linux.mk b/linux/linux.mk
> index b1aca41..2917857 100644
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -333,6 +333,13 @@ endef
> # included here *must* be in the same directory!
> include $(sort $(wildcard linux/linux-ext-*.mk))
>
> +LINUX_PATCH_DEPENDENCIES += $(foreach ext,$(LINUX_EXTENSIONS),\
> + $(if $(BR2_LINUX_KERNEL_EXT_$(call UPPERCASE,$(ext))),$(ext)))
> +
> +LINUX_PRE_PATCH_HOOKS += $(foreach ext,$(LINUX_EXTENSIONS),\
> + $(if $(BR2_LINUX_KERNEL_EXT_$(call UPPERCASE,$(ext))),\
> + $(call UPPERCASE,$(ext))_PREPARE_KERNEL))
> +
> $(eval $(kconfig-package))
>
> # Support for rebuilding the kernel after the cpio archive has
>
Reviewed-by: Romain Naour <romain.naour at openwide.fr>
Tested with Xenomai extensions and obviously the patch 5/5 applied :)
Tested-by: Romain Naour <romain.naour at openwide.fr>
Best regards,
Romain
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