depends -sub CXX gcc                       &&
depends boost                     &&
sub_depends boost THREAD          &&
sub_depends boost FILESYSTEM      &&
sub_depends boost DATE_TIME       &&     
sub_depends boost REGEX           &&
sub_depends boost PROGRAM_OPTIONS &&

if list_find "$RB_LIBTORRENT_OPTS" "--enable-python-binding"; then
  sub_depends boost PYTHON
fi &&

optional_depends openssl \
                 "" \
                 "" \
                 "for SSL support" &&

optional_depends geoip \
                 "--with-libgeoip" "" \
                 "enable linking against system libgeoip"