[oe] [PATCH] meta-toolchain: Run rmdir only if empty dirs are actually found.

[Denys Dmytriyenko]

> Prevent a failure in do_populate_sdk when there are no empty
> directories:
>    /bin/rmdir: missing operand
>    Try `/bin/rmdir --help' for more information.
>
> See also http://tinderbox.openembedded.net/packages/478437/
>
> Signed-off-by: Antonio Ospite <ospite at studenti.unina.it>
Acked-by: Denys Dmytriyenko <denis at denix.org>
> ---
>  recipes/meta/meta-toolchain.bb |      2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/recipes/meta/meta-toolchain.bb b/recipes/meta/meta-toolchain.bb
> index a8c27ec..3169425 100644
> --- a/recipes/meta/meta-toolchain.bb
> +++ b/recipes/meta/meta-toolchain.bb
> @@ -67,7 +67,7 @@ do_populate_sdk() {
>      rm -Rf ${SDK_OUTPUT}/usr/lib
> 
>      # Clean up empty directories from excluded packages
> -    find ${SDK_OUTPUT} -depth -type d -empty -print0 | xargs -0 /bin/rmdir
> +    find ${SDK_OUTPUT} -depth -type d -empty -print0 | xargs -r0 /bin/rmdir
> 
>      install -d ${SDK_OUTPUT}/${SDKPATH}/${TARGET_SYS}/${sysconfdir}
>      install -m 0644 ${IPKGCONF_TARGET} ${IPKGCONF_SDK}
> ${SDK_OUTPUT}/${SDKPATH}/${TARGET_SYS}/${sysconfdir}/
> --
> 1.6.6.2
>