Problems building libpgtcl

I am trying to build postgres 6.4.1 with libpgtcl, in order to run
pgaccess. The current problem is geting all the right options passed to
configure, I believe. I am using:

./configure --prefix=/data/pgtest --with-template=hpux_gcc
--with-pgport=5434 - -with-tcl
--with-includes=/opt/tcl-8.0/include
--with-libraries=/opt/tcl-8.0//lib
--with-include=/opt/tk-8.0/includes/X11
--with-libraries=/opt/tk-8.0/X11/lib

Please note the use of multiple --with-includes here. However it is not
working. Here is the resultant compiler directive:

gcc -I../../include -I../../backend -I/opt/tcl-8.0/include -Wall
-Wmissing-prototypes -I../../interfaces/libpgtcl -c pgtclAppInit.c
-o pgtclAppInit.o

Obviously this is going to fail, since tk.h won't be found.

Any sugestions?

--
Stan Brown stanb(at)netcom(dot)com 843-745-3154
Westvaco
Charleston SC.
--
Windows 98: n.
useless extension to a minor patch release for 32-bit extensions and
a graphical shell for a 16-bit patch to an 8-bit operating system
originally coded for a 4-bit microprocessor, written by a 2-bit
company that can't stand for 1 bit of competition.
-
(c) 1999 Stan Brown. Redistribution via the Microsoft Network is prohibited.