[PATCH] Makefile: bugfix for handling platform paths

[Xiang W]

在 2022-11-22星期二的 12:28 +0200，Alejandro Cabrera Aldaya写道：
> If the path where this repo is located contains the platform name on it,
> the original Makefile replaced its occurrences from the path making it an invalid path.
> This commit prevents this behavior replacing only the last part of the path as intended.
> 
> Signed-off-by: Alejandro Cabrera Aldaya <aldaya at gmail.com>
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Makefile b/Makefile
> index 8db6eab..32d4c48 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -47,7 +47,7 @@ ifdef PLATFORM_DIR
>      platform_parent_dir=$(platform_dir_path)
>    else
>      PLATFORM=$(shell basename $(platform_dir_path))
> -    platform_parent_dir=$(subst $(PLATFORM),,$(platform_dir_path))
> +    platform_parent_dir=$(shell dirname $(shell realpath $(platform_dir_path)))    
> 

Looks good, could simplify it a bit.
	platform_parent_dir=$(shell realpath ${platform_dir_path}/..)

Reviewed-by: Xiang W <wxjstz at 126.com>

>    endif
>  else
>   platform_parent_dir=$(src_dir)/platform
> -- 
> 2.34.1
> 
>