--- xsp-2.0/configure.in	2008-08-05 17:30:13.000000000 +0100
+++ xsp-2.0/configure-new.in	2008-08-05 17:32:19.000000000 +0100
@@ -73,7 +73,7 @@
 echo "$CS compiler: $MCS"
 test x$GMCS = xno || echo "$CS 2.0 compiler: $GMCS"
 
-GACUTIL_FLAGS='-root $(DESTDIR)$(prefix)/lib'
+GACUTIL_FLAGS='-root $(DESTDIR)$(libdir)'
 
 # Put the version in the new required format (for svn revisions)
 export VERSION