[OE-core] [PATCH][V2] avahi: unset FILES_avahi to avoid packaging files there

[Robert Yang]

On 08/16/2014 12:55 AM, Ross Burton wrote:
> The main avahi recipe doesn't package anything into ${PN}.  If a library is
> enabled but not put into a separate package it ends up in ${PN} and all the
> packages are renamed using it's soname - ie libdns-sd-daemon.
>
> Avoid this by clearing FILES_avahi so extra files are unpackaged instead of
> creating a new package.  Also actually remove /var as the comments claim so the
> avahi package is truly empty.
>
> Signed-off-by: Ross Burton <ross.burton at intel.com>
> ---
>   meta/recipes-connectivity/avahi/avahi.inc |    6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/meta/recipes-connectivity/avahi/avahi.inc b/meta/recipes-connectivity/avahi/avahi.inc
> index 3318f40..b97c4c5 100644
> --- a/meta/recipes-connectivity/avahi/avahi.inc
> +++ b/meta/recipes-connectivity/avahi/avahi.inc
> @@ -73,6 +73,9 @@ do_configure_prepend() {
>
>   PACKAGES =+ "avahi-daemon libavahi-common libavahi-core libavahi-client avahi-dnsconfd libavahi-glib libavahi-ui avahi-autoipd avahi-utils"
>
> +# As avahi doesn't put any files into PN, clear the files list to avoid problems
> +# if extra libraries appear.
> +FILES_avahi = ""
>   FILES_avahi-autoipd = "${sbindir}/avahi-autoipd \
>                          ${sysconfdir}/avahi/avahi-autoipd.action \
>                          ${sysconfdir}/dhcp/*/avahi-autoipd \
> @@ -122,7 +125,8 @@ do_install() {
>   	# don't install /var/run when populating rootfs. Do it through volatile
>   	# /var/run of current version is empty, so just remove it.
>   	# if /var/run become non-empty in the future, need to install it via volatile
> -	rm -rf ${D}/var/run
> +	rm -rf ${D}${localstatedir}/run
> +	rmdir --ignore-fail-on-non-empty ${D}${localstatedir}

Got a do_install error because of this:

rmdir: failed to remove `/path/to/avahi-ui/0.6.31-r11.0/image/var': No such file 
or directory

This is because there is a "rmdir ${D}${localstatedir}" in do_install_append(),
once the first one removes it successfully, the later one would cause errors.

// Robert

>   	rm -rf ${D}${datadir}/dbus-1/interfaces
>   	rmdir --ignore-fail-on-non-empty ${D}${datadir}/dbus-1
>   	rm -rf ${D}${libdir}/avahi
>