+# ------------------------------------------------------------------------------
+have_bootchart=no
+AC_ARG_ENABLE(bootchart, AS_HELP_STRING([--disable-bootchart], [disable bootchart tool]))
+if test "x$enable_bootchart" != "xno"; then
+ have_bootchart=yes
+fi
+AM_CONDITIONAL(ENABLE_BOOTCHART, [test "$have_bootchart" = "yes"])
+