--- port-depgraph.orig	2014-07-12 10:04:10.000000000 +1000
+++ port-depgraph	2014-07-12 10:07:34.000000000 +1000
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!__PREFIX__/bin/port-tclsh
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 # \
 if /usr/bin/which -s port-tclsh; then exec port-tclsh "$0" -i `which port-tclsh` "$@"; else exec /usr/bin/tclsh "$0" "$@"; fi
@@ -19,7 +19,7 @@
     puts "Usage: $::argv0 \[-dhrvV\] \[-p macports-prefix\] port-name \[variants...\]"
     puts "  -h    This help"
     puts "  -p    Use a different MacPorts prefix"
-    puts "        (defaults to /opt/local)"
+    puts "        (defaults to __PREFIX__)"
     puts "  -v    verbose output, includes dependency labels"
     puts "  -V    show version and MacPorts version being used"
     puts ""
@@ -176,7 +176,7 @@
 
 # Begin
 
-set macportsPrefix /opt/local
+set macportsPrefix __PREFIX__
 set verbose 0
 set showVersion 0
 
@@ -231,9 +231,6 @@
         }
         exit 0
     }
-} else {
-    # older base version
-    source ${macportsPrefix}/share/macports/Tcl/macports1.0/macports_fastload.tcl
 }
 
 package require macports