[U-Boot] [PATCH] script: Make the get_default_envs.sh script working with newest u-boot

[Alex Kiernan]

On Tue, Feb 13, 2018 at 10:01 PM, Lukasz Majewski <lukma at denx.de> wrote:
> This commit fixes several issues:
>
> - After moving env related code to ./env directory the env_common.o file
> is no longer present in the system (has been replaced with built-in.o).
>
> - Use ${OBJCOPY} if available, fallback to system default's objcopy if not
> present.
>
> - Extend the script to accept different build directory than current one.
> It is extremely handy with OE usage, where source code is separated from
> build.
>
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> ---
>
>  scripts/get_default_envs.sh | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
>
> diff --git a/scripts/get_default_envs.sh b/scripts/get_default_envs.sh
> index 7955db60e5..bbb6d0a6ef 100755
> --- a/scripts/get_default_envs.sh
> +++ b/scripts/get_default_envs.sh
> @@ -6,16 +6,24 @@
>  #
>
>  # This file extracts default envs from built u-boot
> -# usage: get_default_envs.sh > u-boot-env-default.txt
> +# usage: get_default_envs.sh [build dir] > u-boot-env-default.txt
>  set -ue
>
> -ENV_OBJ_FILE="env_common.o"
> +: "${OBJCOPY:=objcopy}"
> +
> +ENV_OBJ_FILE="built-in.o"
>  ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
>
>  echoerr() { echo "$@" 1>&2; }
>
> -path=$(readlink -f $0)
> -env_obj_file_path=$(find ${path%/scripts*} -not -path "*/spl/*" \
> +if [ "$#" -eq 1 ]; then
> +    path=${1}
> +else
> +    path=$(readlink -f $0)
> +    path=${path%/scripts*}
> +fi
> +
> +env_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \
>                          -name "${ENV_OBJ_FILE}")
>  [ -z "${env_obj_file_path}" ] && \
>      { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; }
> @@ -24,7 +32,8 @@ cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
>
>  # NOTE: objcopy saves its output to file passed in
>  # (copy_env_common.o in this case)
> -objcopy -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
> +
> +${OBJCOPY} -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
>
>  # Replace default '\0' with '\n' and sort entries
>  tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort -u

Tested-by: Alex Kiernan <alex.kiernan at gmail.com>

-- 
Alex Kiernan