+dnl OCaml findlib ("ocamlfind") is required.
+AC_PROG_FINDLIB
+if test "$OCAMLFIND" = "no"; then
+ AC_MSG_ERROR([You must install OCaml findlib (the ocamlfind command)])
+fi
+
+dnl Library versioning.
+LIB_MINOR=`cat $srcdir/lib/LIB_MINOR`
+AC_SUBST(LIB_MINOR)
+