--- ltt-usertrace-0.33/Makefile	2011-01-18 12:52:57.000000000 -0500
+++ ltt-usertrace-0.33/Makefile	2011-01-18 12:52:38.000000000 -0500
@@ -27,19 +27,19 @@
 	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lltt-loader-user_generic -o $@ $^
 
 sample-highspeed: sample-highspeed.c
-	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lltt-usertrace-fast -lltt-loader-user_generic -o $@ $^
+	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lltt-usertrace-fast -lltt-loader-user_generic -lrt -o $@ $^
 
 sample-printf: sample-printf.c
 	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lltt-loader-user_generic -o $@ $^
 
 sample-instrument-fct: sample-instrument-fct.c
-	$(CC) $(LTT_CFLAGS) $(CFLAGS) -g -finstrument-functions -lltt-instrument-functions -o $@ $^
+	$(CC) $(LTT_CFLAGS) $(CFLAGS) -g -finstrument-functions -lltt-instrument-functions -lrt -o $@ $^
 
 sample-thread-slow: sample-thread-slow.c
 	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lpthread -lltt-loader-user_generic -o $@ $^
 
 sample-thread-fast: sample-thread-fast.c
-	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lpthread -lltt-usertrace-fast -lltt-loader-user_generic -o $@ $^
+	$(CC) $(LTT_CFLAGS) $(CFLAGS) -lpthread -lltt-usertrace-fast -lltt-loader-user_generic -lrt -o $@ $^
 
 
 #LIBRAIRIES