--- installer/unix.tcl.orig	Wed Jul 14 05:39:14 1999
+++ installer/unix.tcl	Fri Oct 29 12:56:37 1999
@@ -181,7 +181,7 @@
 proc getCC {} {
     global CC GCC SCflag CFlags Type SLDflag share scflags
     switch {} $CC {} default return
-    set CFlags -O
+    set CFlags {-O -I/usr/local/include/tcl8.3}
     catch {set CFlags $cflags($Type)}
     switch BSDI $Type {
 	set CC gcc2
