depends g++ &&
optional_depends alsa-lib --enable-alsa --disable-alsa "ALSA output" &&
optional_depends perl --enable-perl --disable-perl "install PERL frontend" &&
optional_depends mpg123 "" "" "for mpeg input -- \
need control interface of -thor version or >= 0.60! \
(you can install mpg123 later without rebuilding)" &&
optional_depends libsndfile "--enable-sndfile" "--disable-sndfile" "sndfile input"
