diff --exclude CVS -urN /usr/ports/mbone/imm/Makefile ./Makefile
--- /usr/ports/mbone/imm/Makefile	Mon Aug 23 09:36:54 2004
+++ ./Makefile	Sat Mar 17 02:58:38 2007
@@ -7,7 +7,8 @@
 
 PORTNAME=	imm
 PORTVERSION=	3.5a1
-CATEGORIES=	mbone tk82
+PORTREVISION=	1
+CATEGORIES=	mbone tk84
 MASTER_SITES=	ftp://ftp.hawaii.edu/paccom/imm-3.5a1/
 DISTNAME=	imm.source
 EXTRACT_SUFX=	.tar.Z
@@ -15,10 +16,9 @@
 MAINTAINER=	fenner@FreeBSD.org
 COMMENT=	Internet Image(or other data) Multicaster (and receiver)
 
-LIB_DEPENDS=	tk82.1:${PORTSDIR}/x11-toolkits/tk82
-
+USE_TK=		yes
+USE_TK_BUILD=	yes
 WRKSRC=		${WRKDIR}/mnm
-USE_X_PREFIX=	yes
 
 .include <bsd.port.pre.mk>
 
diff --exclude CVS -urN /usr/ports/mbone/imm/files/Makefile.freebsd ./files/Makefile.freebsd
--- /usr/ports/mbone/imm/files/Makefile.freebsd	Sun Nov 28 19:31:10 1999
+++ ./files/Makefile.freebsd	Sat Mar 17 04:10:01 2007
@@ -1,17 +1,17 @@
 # Some versions of make, like SGI's, use the following variable to
 # determine which shell to use for executing commands:
 SHELL = /bin/sh
-INCLUDE_DIR	= -I${PREFIX}/include -I${LOCALBASE}/include/tcl8.2 -I${LOCALBASE}/include/tk8.2
+INCLUDE_DIR	= -I${LOCALBASE}/include -I${LOCALBASE}/include/tcl8.4 -I${LOCALBASE}/include/tk8.4 -I${X11BASE}/include
 # Libraries to use when linking: 
 LIBS = -lm
 
-TKLIBS= -L$(PREFIX)/lib -L${LOCALBASE}/lib -ltk82 -ltcl82 -lX11
+TKLIBS= -L${X11BASE}/lib -L$(PREFIX)/lib -L${LOCALBASE}/lib -ltk84 -ltcl84 -lX11
 
 TARGET		= ../freebsd
 
 CFLAGS		=  -g -DSIG_T=void -DMULTICAST -I. -DERROR_TEST
 
-CC =		gcc
+CC ?=		gcc
 CC_SWITCHES =	${CFLAGS} 
 
 ROBJS = protocol.o utils.o
diff --exclude CVS -urN /usr/ports/mbone/imm/files/patch-src::tkAppInit.c ./files/patch-src::tkAppInit.c
--- /usr/ports/mbone/imm/files/patch-src::tkAppInit.c	Thu Jan  1 01:00:00 1970
+++ ./files/patch-src::tkAppInit.c	Sat Mar 17 02:59:37 2007
@@ -0,0 +1,12 @@
+--- src/tkAppInit.c.orig	Thu Mar 15 10:00:05 2007
++++ src/tkAppInit.c	Thu Mar 15 10:00:12 2007
+@@ -97,9 +97,6 @@
+  * Sun shared libraries to be used for Tcl.
+  */
+ 
+-extern int matherr();
+-void GetDspStatus();
+-int *tclDummyMathPtr = (int *) matherr;
+ 
+ /***************************************************************************/
+ /* fork and initiate server process */