--- ./CMakeLists.txt.orig	Thu Jun 29 15:01:13 2006
+++ ./CMakeLists.txt	Sun Aug  6 00:22:36 2006
@@ -318,9 +318,12 @@
 SET(ICET_MPI_MAX_NUMPROCS "${VTK_MPI_MAX_NUMPROCS}"  CACHE INTERNAL
   "This is set from VTK_MPI_MAX_NUMPROCS.")
 
+IF(VTK_USE_X)
+  FIND_PACKAGE(X11)
+  SET(VTK_INCLUDE_DIR ${X11_INCLUDE_DIR})
+ENDIF(VTK_USE_X)
 
-
-SET(VTK_INCLUDE_DIR
+SET(VTK_INCLUDE_DIR ${VTK_INCLUDE_DIR}
   ${ParaView_SOURCE_DIR}/VTK
   ${ParaView_BINARY_DIR}/VTK
   ${ParaView_SOURCE_DIR}/VTK/Utilities