diff -urN zeitgeist-0.7/configure.ac zeitgeist-0.7.new//configure.ac
--- zeitgeist-0.7/configure.ac	2011-01-18 11:57:00.000000000 +0100
+++ zeitgeist-0.7.new//configure.ac	2011-03-20 13:29:37.849834567 +0100
@@ -37,10 +37,4 @@
   AC_MSG_ERROR(You need the tool `rapper' from the `raptor-utils' package in order to compile Zeitgeist)
 fi
 
-# check for rdflib
-AC_CHECK_PROG(HAVE_RDFLIB, rdfpipe, yes, no)
-if test "x$HAVE_RDFLIB" = "xno"; then
-  AC_MSG_ERROR(You need the tool `rdfpipe' from the `python-rdflib' package in order to compile Zeitgeist)
-fi
-
 AC_OUTPUT