-You'll need OS/2 Warp (4.00FP#6), X-Free86/2 (3.3.3 or newer),
-Lesstif (0.89.1 or newer), emx (0.9d fix 1), flex (2.5.4),
-yacc (1.8), unix like shell, e.g. korn shell (5.2.13),
-Autoconf (2.13), GNU file utilities (3.6),
-GNU text utilities (1.3), GNU shell utilites (1.12), m4 (1.4),
-sed (2.05), grep (2.0), Awk (3.0.3), GNU Make (3.76.1).
+In the following list, the version numbers indicate the configuration that
+was actually used by myself, newer version should cause no problems and
+even older ones are expected to work most of the time.