depends git &&
depends m4 &&
depends autoconf &&
depends automake &&
optional_depends GETTEXT "" "" "for modules that use internationalization" &&
optional_depends bison "" "" "for parse-datetime module" &&
optional_depends gperf "" "" "for iconv_open module" &&
optional_depends texinfo "" "" "for modules that include documentation" &&
optional_depends sed "" "" "for platforms where the vendor's sed program is too buggy" &&
optional_depends libtool "" "" "to invoke gnulib-tool with option --libtool"

