depends readline &&
depends libexosip2 &&
depends speex &&

optional_depends alsa-lib \
                 "--enable-alsa" \
                 "--disable-alsa" \
                 "for ALSA native support" &&

optional_depends PORTAUDIO \
                 "--enable-portaudio" \
                 "--disable-portaudio" \
                 "for PortAudio native support" &&

optional_depends LIBAVCODEC \
                 "--enable-video" \
                 "--disable-video" \
                 "for video support" &&

if list_find "$OPTS" "--enable-video"; then
  depends sdl &&
  depends libtheora
fi &&

optional_depends gtk+2 \
                 "--enable-gtk_ui=yes" \
                 "--enable-gtk_ui=no" \
                 "for GTK+2 interface" &&

optional_depends ortp \
                 "--enable-external-ortp" "" \
                 "use external oRTP library?"