+$!
+$ bool_dflt = "n"
+$ IF F$TYPE(uselargefiles) .NES. ""
+$ THEN
+$ IF uselargefiles .OR. uselargefiles .eqs. "define" THEN bool_dflt = "y"
+$ ENDIF
+$ echo ""
+$ echo "Perl can be built to understand large files (files larger than 2 gigabytes)"
+$ echo "on some systems. To do so, Configure can be run with -Duselargefiles."
+$ echo ""
+$ echo "If this does not make any sense to you, just accept the default '" + bool_dflt + "'."
+$ rp = "Try to understand large files, if available? [''bool_dflt'] "
+$ GOSUB myread
+$ uselargefiles=ans
+$!
+$ ENDIF ! not VAX && >= 7.1
+$!
+$ IF usesitecustomize .OR. usesitecustomize .eqs. "define"
+$ THEN
+$ usesitecustomize = "define"
+$ ELSE
+$ usesitecustomize = "undef"
+$ ENDIF