[oe] [meta-oe][PATCH] xdelta3: add optional lzma support

[Khem Raj]

On Wed, May 7, 2014 at 4:43 AM, Matthieu Crapet
<Matthieu.Crapet at ingenico.com> wrote:
> +
> +# Optional secondary compression
> +PACKAGECONFIG ?= ""
> +PACKAGECONFIG[lzma] = ",,xz"

consider when xz comes as indirect dependency via some other package
then this packageconfig will become useless
IMO you have to also fix the package itself to explicitly
enable/disable the lzma support and then adding packageconfig
will be effective.