On Fri, Jun 22, 2012 at 6:39 AM, Richard Purdie
<richard.pur...@linuxfoundation.org> wrote:
> Many people are seeing issues from the empty path warnings from BBPATH.
> The empty path entry corresponding to the current working directory is a
> problem since if cwd changes, so does BBPATH and build reproducibility.
>
> Simply removing the empty element causes problems since the build
> directory then isn't listed in BBPATH which means local.conf isn't found
> and this gives an extremely confusing error message about bbappends
> being unsatisfied.
>
> The build directory in bitbake terms is TOPDIR. The correct way to fix
> things is to add in TOPDIR into bblayers.conf itself. This means the
> layers can happily append/prepend to BBPATH at will as its no longer
> empty hence neatly solving all the various problems. Since the file has
> changed, the version is also changed.
thanks this is fine
>
> Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
>
> ---
> meta/conf/bblayers.conf.sample | 4 +++-
> meta/conf/layer.conf | 1 -
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/meta/conf/bblayers.conf.sample b/meta/conf/bblayers.conf.sample
> index 222b03a..e621866 100644
> --- a/meta/conf/bblayers.conf.sample
> +++ b/meta/conf/bblayers.conf.sample
> @@ -1,8 +1,10 @@
> # LAYER_CONF_VERSION is increased each time build/conf/bblayers.conf
> # changes incompatibly
> -LCONF_VERSION = "4"
> +LCONF_VERSION = "5"
>
> +BBPATH = "${TOPDIR}"
> BBFILES ?= ""
> +
> BBLAYERS ?= " \
> ##COREBASE##/meta \
> "
> diff --git a/meta/conf/layer.conf b/meta/conf/layer.conf
> index 43e4295..090c8e2 100644
> --- a/meta/conf/layer.conf
> +++ b/meta/conf/layer.conf
> @@ -1,4 +1,3 @@
> -BBPATH ?= ""
> # We have a conf and classes directory, add to BBPATH
> BBPATH .= ":${LAYERDIR}"
> # We have a packages directory, add to BBFILES
>
>
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