persistent_read
LMMS_VST=${LMMS_VST/--without-vst/-DWANT_VST=0}
LMMS_VST=${LMMS_VST/--with-vst/-DWANT_VST=1}

config_query_option  LMMS_VST                                             \
                     "Enable support for builtin VST plugin hosting?"  n  \
                     "-DWANT_VST=1"  "-DWANT_VST=0"