+# Find libstatgrab is installed, add clitkMemoryUsage.cxx in the library
+FIND_PROGRAM(LIBSTATGRAB NAMES statgrab PATHS)
+IF (${LIBSTATGRAB} MATCHES "LIBSTATGRAB-NOTFOUND")
+ MESSAGE("Install libstatgrab (http://www.i-scream.org/libstatgrab/) for memory usage information")
+ENDIF (${LIBSTATGRAB} MATCHES "LIBSTATGRAB-NOTFOUND")