option('runtime_libdir', type : 'string', value : '', description : 'install runtime libraries relative to libdir') option('iconv', type : 'combo', choices : ['libc', 'gnu', 'native'], value : 'libc', description : 'iconv implementation to use (\'libc\' = \'Part of the C stdlib\'; \'gnu\' = \'GNU\'s iconv\'; \'native\' = \'A separate iconv\')') option('charsetalias_dir', type : 'string', value : '', description : 'directory for charset.alias dir (default to \'libdir\' if unset)') option('gio_module_dir', type : 'string', value : '', description : 'load gio modules from this directory (default to \'libdir/gio/modules\' if unset)') option('selinux', type : 'boolean', value : true, description : 'build with selinux support') option('xattr', type : 'boolean', value : true, description : 'build with xattr support') option('libmount', type : 'boolean', value : true, description : 'build with libmount support') option('internal_pcre', type : 'boolean', value : false, description : 'whether to use internal PCRE') option('man', type : 'boolean', value : false, description : 'generate man pages (requires xsltproc)') option('dtrace', type : 'boolean', value : false, description : 'include tracing support for dtrace') option('systemtap', type : 'boolean', value : false, description : 'include tracing support for systemtap') option('tapset_install_dir', type : 'string', value : '', description : 'path where systemtap tapsets are installed') option('gtk_doc', type : 'boolean', value : false, description : 'use gtk-doc to build documentation') option('bsymbolic_functions', type : 'boolean', value : true, description : 'link with -Bsymbolic-functions if supported')