gnutls: force rebuuld when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
nut: force rebuild when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
ocserv: force rebuild when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
openconnect: force rebuild when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
dump1090: force rebuild when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
haserl: force rebuild when config changes

Signed-off-by: Nicolas Thill <nico@openwrt.org>
add portaudio, a portable cross-platform audio I/O library

Signed-off-by: Nicolas Thill <nico@openwrt.org>
add espeak, a compact open source software speech synthesizer

Signed-off-by: Nicolas Thill <nico@openwrt.org>
dkjson: remove wrong PKG_BUILD_DIR override

Signed-off-by: Nicolas Thill <nico@openwrt.org>