-Open an OS/2 prompt and switch to the directory above.
-First set some global environment variables we need:
+You'll need OS/2 Warp (4.51) or eCS(1.0), X-Free86/2 (3.3.6 or newer),
+GTK+ (1.2.5 or newer), emx (0.9d fix 4), flex (2.5.4), yacc (1.8) or
+bison (1.25), a Unix like shell (pdksh-5.2.14 or ash), Autoconf (2.57),
+GNU file utilities (3.13), GNU text utilities (1.19),
+GNU shell utilites (1.12), m4 (1.4), sed (2.05), grep (2.0), Awk (3.0.3),
+GNU Make (3.75).