diff --git a/Makefile b/Makefile
index c4093df..be6d6a7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-TESTS = wfqueue wfqueue0#lcrq ccqueue msqueue faa delay
+TESTS = wfqueue wfqueue0 lcrq ccqueue msqueue faa delay
 
 CC = gcc
 CFLAGS = -g -Wall -O3 -pthread -D_GNU_SOURCE
@@ -35,7 +35,7 @@ msqueue: CFLAGS += -DMSQUEUE
 faa: CFLAGS += -DFAAQ
 
 $(TESTS): harness.o
-wfqueue wfqueue0 lcrq ccqueue msqueue faa: pairwise.o
+wfqueue wfqueue0 lcrq ccqueue msqueue faa: halfhalf.o
 delay: delay.o
 
 msqueue lcrq: hzdptr.o xxhash.o
diff --git a/ccqueue.c b/ccqueue.c
index d256fa9..ae2764d 100644
--- a/ccqueue.c
+++ b/ccqueue.c
@@ -70,3 +70,4 @@ void * dequeue(queue_t * queue, handle_t * handle)
   return node ? node->data : (void *) -1;
 }
 
+void queue_free(int id, int nprocs) {}
diff --git a/delay.c b/delay.c
index 694d2f7..f72fea4 100644
--- a/delay.c
+++ b/delay.c
@@ -36,4 +36,5 @@ void * benchmark(int id, int nprocs) {
   return NULL;
 }
 
+void thread_exit(int id, int nprocs) {}
 int verify() { return 1; }
diff --git a/driver b/driver
index 2836629..a66cb3c 100755
--- a/driver
+++ b/driver
@@ -12,13 +12,14 @@ T95=( \
   2.080 2.074 2.069 2.064 2.060 2.056 2.052 2.048 2.045 2.042 \
   )
 
-TIMES[0]=$($@ | grep Mean | awk '{ print $5 }')
+cmd="$@"
+TIMES[0]=$(eval $cmd | grep Mean | awk '{ print $5 }')
 SUM=${TIMES[0]}
 printf '#%-2d %.2f\n' 1 ${TIMES[0]}
 
 i=1
 while true; do
-  TIME=$($@ | grep Mean | awk '{ print $5 }')
+  TIME=$(eval $cmd | grep Mean | awk '{ print $5 }')
   TIMES[$i]=$TIME
   SUM=$(echo "$SUM + $TIME" | bc)
   N=$(($i + 1))
diff --git a/faa.c b/faa.c
index ca44c86..6537518 100644
--- a/faa.c
+++ b/faa.c
@@ -18,3 +18,5 @@ void * dequeue(queue_t * q, handle_t * th)
   return (void *) (long) *th;
 }
 
+void queue_free(queue_t * q, handle_t * h) {}
+
diff --git a/lcrq.c b/lcrq.c
index 97d3682..0cc25fc 100644
--- a/lcrq.c
+++ b/lcrq.c
@@ -240,3 +240,5 @@ void * dequeue(queue_t * q, handle_t * th)
   return (void *) lcrq_get(q, th);
 }
 
+void queue_free(int id, int nprocs) {}
+
diff --git a/msqueue.c b/msqueue.c
index ac7b715..b2c85bd 100644
--- a/msqueue.c
+++ b/msqueue.c
@@ -81,3 +81,4 @@ void * dequeue(queue_t * q, handle_t * handle)
   return data;
 }
 
+void queue_free(int id, int nprocs) {}