-If you have taken the sources from CVS you will need the following packages
-to build the package:
-
-autoconf 2.57
-automake 1.7.5
-bison 1.875
-gettext 0.12.1
-wget 1.7
-
-Before building the package, run bootstrap. You will need a POSIX
-compliant shell to do so. The bootstrap utility obtains various
+If you have taken the sources from CVS you will need the following
+packages (or later) to build GNU tar. We don't make any extra effort
+to accommodate older versions of these packages, so please make sure
+that you have the latest stable version.
+
+- Automake <http://www.gnu.org/software/automake/>
+- Autoconf <http://www.gnu.org/software/autoconf/>
+- Bison <http://www.gnu.org/software/bison/>
+- Gettext <http://www.gnu.org/software/gettext/>
+- Gzip <http://www.gnu.org/software/gzip/>
+- M4 <http://www.gnu.org/software/m4/>
+- Texinfo <http://www.gnu.org/software/texinfo>
+- Wget <http://www.gnu.org/software/wget/>
+
+As of this writing, the latest stable version of Gzip is 1.2.4 but we
+suggest using test version 1.3.5 (or later, if one becomes available).
+
+Valgrind <http://valgrind.org/> is also highly recommended, if
+Valgrind supports your architecture.
+
+Before building the package, run "bootstrap". It obtains various