. "$GRIMOIRE"/VDEPENDS && vdepends <= 4.7 boost[DATE_TIME,REGEX,SYSTEM,FILESYSTEM,LOCALE,PROGRAM_OPTIONS,THREAD] ! optional_depends curl \ "--with-curl" \ "--without-curl" \ "for fetching lyrics from the Internet" && optional_depends taglib \ "--with-taglib" \ "--without-taglib" \ "enable tag editor" && optional_depends fftw \ "--with-fftw --enable-visualizer" \ "--without-fftw --disable-visualizer" \ "enable music visualizer"