option('xkb-base', type: 'string', value: '', description: 'XKB base path [default=$datadir/X11/xkb]') option('compat-rules', type: 'boolean', value: true, description: 'create compatibility rules [default=true]') option('xorg-rules-symlinks', type: 'boolean', value: false, description: 'create "xorg" symlinks to the "base" rules files [default=false]') option('nls', type: 'boolean', value: true, description: 'build with native language support (NLS) [default=true]') option('non-latin-layouts-list', type: 'boolean', value: false, description: 'create the list of non-Latin layouts [default=false]')