+# Check whether --enable-timestamps was given.
+if test "${enable_timestamps+set}" = set; then
+ enableval=$enable_timestamps;
+else
+ enableval=default
+fi
+
+case "$enableval" in
+ yes) ENABLE_TIMESTAMPS=1
+ ;;
+ no) ENABLE_TIMESTAMPS=0
+ ;;
+ default) ENABLE_TIMESTAMPS=1
+ ;;
+ *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-timestamps. Use \"yes\" or \"no\"" >&5
+echo "$as_me: error: Invalid setting for --enable-timestamps. Use \"yes\" or \"no\"" >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+
+cat >>confdefs.h <<_ACEOF
+#define ENABLE_TIMESTAMPS $ENABLE_TIMESTAMPS
+_ACEOF
+
+