Re: [Minios-devel] [UNIKRAFT PATCHv4 02/43] build: Introduce a new variable UK_FAMILY

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 07/06/2018 10:03 AM, Wei Chen wrote:
> This patch series modifies the folder layout organized by CPU
> families like:
> unikraft----arch----arm----arm
>                |      |-----arm64
>                |
>                |-----x86----x86
>                       |-----x86_64
>
> In this case, we introduce a new variable UK_FAMILY for build scipts.
s/scipts/scripts/

> we should not expect the user to set or select UK_FAMILY in a menu or
> by setting the variable externally. So we retrieve UK_FAMILY directly
> from CONFIG_UK_ARCH. Because of this we can keep Compiler.uk, Makefile.uk,
> and Config.uk directly under the UK_FAMILY directory.
>
> Signed-off-by: Wei Chen <Wei.Chen@xxxxxxx>
> ---
>   Makefile | 10 ++++++++++
>   1 file changed, 10 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index adeaac9..178ebbc 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -338,6 +338,16 @@ endif
>   override ARCH := $(CONFIG_UK_ARCH)
>   export CONFIG_UK_ARCH ARCH
>   
> +export UK_FAMILY ?= $(shell echo "$(CONFIG_UK_ARCH)" | \
> +                  sed -e "s/-.*//" \
> +                      -e 's//\1/' \
> +                      -e 's/x86.*/x86/' \
> +                      -e 's/sparc64/sparc/' \
> +                      -e 's/arm.*/arm/' \
> +                      -e 's/powerpc.*/powerpc/' \
> +                      -e 's/sh.*/sh/' )
> +
> +
>   # Quick-check if architecture exists
>   ifeq ($(filter $(null_targets) print-vars,$(MAKECMDGOALS)),)
>   ifeq ($(wildcard $(CONFIG_UK_BASE)/arch/$(ARCH)/Makefile.uk),)
--
Julien Grall

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