[OE-core] [PATCH] oe-buildenv-internal: Fix finding build directory

[Burton, Ross]

On 21 October 2017 at 13:06, Richard Purdie <
richard.purdie at linuxfoundation.org> wrote:

> The intent of the env setup scripts is to set BBPATH to point at the
> build directory if not already set. This means if the user changes
> directory, bitbake can still find the original build directory. The
> default bblayers.conf files reset BBPATH to the correct components so
> this is safe and restores the behaviour the script was intended to have.
>
> [YOCTO #12163]
>
> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
> ---
>  scripts/oe-buildenv-internal | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/scripts/oe-buildenv-internal b/scripts/oe-buildenv-internal
> index e6cd141..abc5aff 100755
> --- a/scripts/oe-buildenv-internal
> +++ b/scripts/oe-buildenv-internal
> @@ -105,6 +105,11 @@ fi
>
>  BITBAKEDIR=$(readlink -f "$BITBAKEDIR")
>  BUILDDIR=$(readlink -f "$BUILDDIR")
> +if [ -z "$BBPATH" ]; then
> +    BBPATH=$BUILDDIR
> +fi
> +
> +export BBPATH
>

This breaks the use-case of the user switching between build directories as
re-executing oe-init-build-env doesn't change BBPATH.

Ross
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