[OE-core] [PATCH] base.bbclass: avoid 'find -ignore_readdir_race -delete'

[Peter Kjellerstedt]

> -----Original Message-----
> From: openembedded-core-bounces at lists.openembedded.org <openembedded-
> core-bounces at lists.openembedded.org> On Behalf Of
> matthias.schiffer at ew.tq-group.com
> Sent: den 2 november 2018 15:39
> To: openembedded-core at lists.openembedded.org
> Subject: [OE-core] [PATCH] base.bbclass: avoid 'find -
> ignore_readdir_race -delete'
> 
> From: Matthias Schiffer <matthias.schiffer at ew.tq-group.com>
> 
> Until recent versions of findutils, -ignore_readdir_race did not work
> correctly with -delete. This led to spurious build failures when files
> disappeared; specifically this was seen due to do_configure and
> do_populate_lic running concurrently for packages with ${B} == ${WORKDIR}:
> 
>    find: '.../sstate-build-populate_lic': No such file or directory
> 
> As the find command of the host system is used here, we can't ensure that
> the used version contains the fix. Work around the issue by passing the
> output of find to 'rm -f' instead of using -delete.
> 
> Signed-off-by: Matthias Schiffer <matthias.schiffer at ew.tq-group.com>
> ---
> 
> It would be great if this patch could be backported to all versions
> back to Rocko, as our current setup is still based on Rocko.
> 
>  meta/classes/base.bbclass | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
> index df11c8b270..5ffd8396e3 100644
> --- a/meta/classes/base.bbclass
> +++ b/meta/classes/base.bbclass
> @@ -303,7 +303,7 @@ base_do_configure() {
>  			if [ "${CLEANBROKEN}" != "1" -a \( -e Makefile -o -e makefile -o -e GNUmakefile \) ]; then
>  				oe_runmake clean
>  			fi

You might want to include a comment here explaining why rm -f is used 
instead of -delete, or someone might come along and optimize the code...

> -			find ${B} -ignore_readdir_race -name \*.la -delete
> +			find ${B} -ignore_readdir_race -name \*.la -type f -print0 | xargs -0 rm -f
>  		fi
>  	fi
>  	if [ -n "${CONFIGURESTAMPFILE}" ]; then
> --
> 2.17.1

//Peter