+else
+ lexver=$(bison --version | awk '/^bison \(GNU [Bb]ison\)/ { print $4 }')
+ case "$lexver" in
+ [2-9].*)
+ ;;
+ *)
+ echo
+ echo "You must have bison version >= 2.x, but you have $lexver."
+ echo
+ DIE=1
+ ;;
+ esac
+fi
+
+LIBTOOLIZE=libtoolize
+case `uname` in Darwin*) LIBTOOLIZE=glibtoolize ;; esac
+if ! ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1; then
+ echo
+ echo "You must have libtool-2 installed to generate the util-linux build system."