SRC_URI="http://ftp.xemacs.org/xemacs-21.4/${REAL_P}.tar.gz http://ftp.xemacs.org/pub/packages/efs-${EFS}-pkg.tar.gz http://ftp.xemacs.org/pub/packages/xemacs-base-${BASE}-pkg.tar.gz http://ftp.xemacs.org/packages/mule-base-${MULE}-pkg.tar.gz" should be SRC_URI="http://ftp.xemacs.org/xemacs-21.4/${REAL_P}.tar.gz http://ftp.xemacs.org/pub/packages/efs-${EFS}-pkg.tar.gz http://ftp.xemacs.org/pub/packages/xemacs-base-${BASE}-pkg.tar.gz mule? ( http://ftp.xemacs.org/packages/mule-base-${MULE}-pkg.tar.gz )"
Missing metadata.xml
Fixed.