diff -rupN /usr/ports/x11/xcalc.orig/Makefile /usr/ports/x11/xcalc/Makefile
--- /usr/ports/x11/xcalc.orig/Makefile	2011-03-16 10:10:51.000000000 +0100
+++ /usr/ports/x11/xcalc/Makefile	2011-03-16 14:06:28.000000000 +0100
@@ -12,6 +12,11 @@ CATEGORIES=	x11
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	Scientific calculator for X
 
+RUN_DEPENDS=    font-misc-misc>=1.1.2:${PORTSDIR}/x11-fonts/font-misc-misc \
+                font-adobe-100dpi>=1.0.3:${PORTSDIR}/x11-fonts/font-adobe-100dpi \
+                font-alias>=1.0.3:${PORTSDIR}/x11-fonts/font-alias \
+                xbitmaps>=1.1.0:${PORTSDIR}/x11/xbitmaps
+
 XORG_CAT=	app
 USE_XORG=	xt xaw