case $THIS_SUB_DEPENDS in
   SNAPSHOT) OPENAL_VERSION="snapshot"  ;;
    RELEASE) OPENAL_VERSION="release"   ;;
        SCM) OPENAL_VERSION="scm"       ;;
       ALSA) echo "alsa-lib support requested, forcing alsa-lib dependency." &&
             depends alsa-lib           ;;
          *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}" ;
   return 1;;
esac
