diff --git a/regressions/ck_barrier/benchmark/Makefile b/regressions/ck_barrier/benchmark/Makefile
index 8b8abca..b74a0dd 100644
--- a/regressions/ck_barrier/benchmark/Makefile
+++ b/regressions/ck_barrier/benchmark/Makefile
@@ -11,5 +11,5 @@ clean:
 	rm -rf *.dSYM *~ *.o $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-D_GNU_SOURCE -lpthread 
+CFLAGS+=-D_GNU_SOURCE -pthread 
 
diff --git a/regressions/ck_barrier/validate/Makefile b/regressions/ck_barrier/validate/Makefile
index ec7754b..76d42b8 100644
--- a/regressions/ck_barrier/validate/Makefile
+++ b/regressions/ck_barrier/validate/Makefile
@@ -23,4 +23,4 @@ clean:
 	rm -rf *.dSYM *~ *.o $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-D_GNU_SOURCE -lpthread -ggdb -O0
+CFLAGS+=-D_GNU_SOURCE -pthread -ggdb -O0
diff --git a/regressions/ck_bytelock/benchmark/Makefile b/regressions/ck_bytelock/benchmark/Makefile
index e65fdd7..967e271 100644
--- a/regressions/ck_bytelock/benchmark/Makefile
+++ b/regressions/ck_bytelock/benchmark/Makefile
@@ -5,7 +5,7 @@ OBJECTS=latency
 all: $(OBJECTS)
 
 latency: latency.c
-	$(CC) $(CFLAGS) -o latency latency.c -lpthread
+	$(CC) $(CFLAGS) -o latency latency.c -pthread
 
 clean:
 	rm -rf *.dSYM *~ *.o $(OBJECTS)
diff --git a/regressions/ck_bytelock/validate/Makefile b/regressions/ck_bytelock/validate/Makefile
index f59cac8..02b795d 100644
--- a/regressions/ck_bytelock/validate/Makefile
+++ b/regressions/ck_bytelock/validate/Makefile
@@ -5,7 +5,7 @@ OBJECTS=validate
 all: $(OBJECTS)
 
 validate: validate.c
-	$(CC) $(CFLAGS) -o validate validate.c -lpthread
+	$(CC) $(CFLAGS) -o validate validate.c -pthread
 
 clean:
 	rm -rf *.dSYM *~ *.o $(OBJECTS)
diff --git a/regressions/ck_epoch/validate/Makefile b/regressions/ck_epoch/validate/Makefile
index e401585..d87eb39 100644
--- a/regressions/ck_epoch/validate/Makefile
+++ b/regressions/ck_epoch/validate/Makefile
@@ -11,4 +11,4 @@ clean:
 	rm -rf *~ *.o $(OBJECTS) *.dSYM
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE
+CFLAGS+=-pthread -D_GNU_SOURCE
diff --git a/regressions/ck_fifo/benchmark/Makefile b/regressions/ck_fifo/benchmark/Makefile
index 0f7019d..61c3f6e 100644
--- a/regressions/ck_fifo/benchmark/Makefile
+++ b/regressions/ck_fifo/benchmark/Makefile
@@ -11,4 +11,4 @@ clean:
 	rm -rf *~ *.o *.dSYM $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE
+CFLAGS+=-pthread -D_GNU_SOURCE
diff --git a/regressions/ck_fifo/validate/Makefile b/regressions/ck_fifo/validate/Makefile
index 6486ea4..5b8bad8 100644
--- a/regressions/ck_fifo/validate/Makefile
+++ b/regressions/ck_fifo/validate/Makefile
@@ -20,4 +20,4 @@ clean:
 	rm -rf *.dSYM *~ *.o $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE
+CFLAGS+=-pthread -D_GNU_SOURCE
diff --git a/regressions/ck_hp/benchmark/Makefile b/regressions/ck_hp/benchmark/Makefile
index 794c813..b1edcd0 100644
--- a/regressions/ck_hp/benchmark/Makefile
+++ b/regressions/ck_hp/benchmark/Makefile
@@ -14,4 +14,4 @@ clean:
 	rm -rf *~ *.o *.dSYM $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE
+CFLAGS+=-pthread -D_GNU_SOURCE
diff --git a/regressions/ck_hp/validate/Makefile b/regressions/ck_hp/validate/Makefile
index 92db453..6716d12 100644
--- a/regressions/ck_hp/validate/Makefile
+++ b/regressions/ck_hp/validate/Makefile
@@ -20,4 +20,4 @@ clean:
 	rm -rf *~ *.o *.dSYM $(OBJECTS) 
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE -ggdb 
+CFLAGS+=-pthread -D_GNU_SOURCE -ggdb 
diff --git a/regressions/ck_pr/benchmark/Makefile b/regressions/ck_pr/benchmark/Makefile
index ffa8903..d2ca7c0 100644
--- a/regressions/ck_pr/benchmark/Makefile
+++ b/regressions/ck_pr/benchmark/Makefile
@@ -15,4 +15,4 @@ clean:
 	rm -rf ck_pr_cas_64 ck_pr_fas_64 ck_pr_cas_64_2 *.dSYM
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE -lm
+CFLAGS+=-pthread -D_GNU_SOURCE -lm
diff --git a/regressions/ck_ring/validate/Makefile b/regressions/ck_ring/validate/Makefile
index 4cc5da1..3fe3e8a 100644
--- a/regressions/ck_ring/validate/Makefile
+++ b/regressions/ck_ring/validate/Makefile
@@ -14,4 +14,4 @@ clean:
 	rm -rf *~ *.o $(OBJECTS) *.dSYM
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE 
+CFLAGS+=-pthread -D_GNU_SOURCE 
diff --git a/regressions/ck_sequence/validate/Makefile b/regressions/ck_sequence/validate/Makefile
index df8ab02..04147e9 100644
--- a/regressions/ck_sequence/validate/Makefile
+++ b/regressions/ck_sequence/validate/Makefile
@@ -12,4 +12,4 @@ clean:
 	rm -rf *~ *.o $(OBJECTS) *.dSYM
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE -ggdb
+CFLAGS+=-pthread -D_GNU_SOURCE -ggdb
diff --git a/regressions/ck_spinlock/benchmark/Makefile b/regressions/ck_spinlock/benchmark/Makefile
index c040bea..a65eec5 100644
--- a/regressions/ck_spinlock/benchmark/Makefile
+++ b/regressions/ck_spinlock/benchmark/Makefile
@@ -70,4 +70,4 @@ clean:
 	rm -rf *.dSYM $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-D_GNU_SOURCE -lpthread -lm
+CFLAGS+=-D_GNU_SOURCE -pthread -lm
diff --git a/regressions/ck_spinlock/validate/Makefile b/regressions/ck_spinlock/validate/Makefile
index ed2848c..da569e3 100644
--- a/regressions/ck_spinlock/validate/Makefile
+++ b/regressions/ck_spinlock/validate/Makefile
@@ -35,4 +35,4 @@ clean:
 		ck_anderson test_and_set *.dSYM
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE -lm
+CFLAGS+=-pthread -D_GNU_SOURCE -lm
diff --git a/regressions/ck_stack/benchmark/Makefile b/regressions/ck_stack/benchmark/Makefile
index 0f7019d..61c3f6e 100644
--- a/regressions/ck_stack/benchmark/Makefile
+++ b/regressions/ck_stack/benchmark/Makefile
@@ -11,4 +11,4 @@ clean:
 	rm -rf *~ *.o *.dSYM $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread -D_GNU_SOURCE
+CFLAGS+=-pthread -D_GNU_SOURCE
diff --git a/regressions/ck_stack/validate/Makefile b/regressions/ck_stack/validate/Makefile
index 9d7e2fe..f21dfd6 100644
--- a/regressions/ck_stack/validate/Makefile
+++ b/regressions/ck_stack/validate/Makefile
@@ -10,26 +10,26 @@ serial: serial.c
 	$(CC) $(CFLAGS) -o serial serial.c
 
 mpnc_push mpmc_push upmc_push spinlock_push spinlock_eb_push: push.c
-	$(CC) -lpthread -DMPNC -D_GNU_SOURCE $(CFLAGS) -o mpnc_push push.c
-	$(CC) -lpthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_push push.c
-	$(CC) -lpthread -DUPMC -D_GNU_SOURCE $(CFLAGS) -o upmc_push push.c
-	$(CC) -lpthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_push push.c
-	$(CC) -lpthread -DSPINLOCK -DEB -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_push push.c
+	$(CC) -pthread -DMPNC -D_GNU_SOURCE $(CFLAGS) -o mpnc_push push.c
+	$(CC) -pthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_push push.c
+	$(CC) -pthread -DUPMC -D_GNU_SOURCE $(CFLAGS) -o upmc_push push.c
+	$(CC) -pthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_push push.c
+	$(CC) -pthread -DSPINLOCK -DEB -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_push push.c
 
 mpmc_pop upmc_pop spinlock_pop spinlock_eb_pop: pop.c
-	$(CC) -lpthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_pop pop.c
-	$(CC) -lpthread -DUPMC -D_GNU_SOURCE $(CFLAGS) -o upmc_pop pop.c
-	$(CC) -lpthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_pop pop.c
-	$(CC) -lpthread -DEB -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_pop pop.c
+	$(CC) -pthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_pop pop.c
+	$(CC) -pthread -DUPMC -D_GNU_SOURCE $(CFLAGS) -o upmc_pop pop.c
+	$(CC) -pthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_pop pop.c
+	$(CC) -pthread -DEB -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_pop pop.c
 
 mpmc_pair spinlock_pair spinlock_eb_pair pthreads_pair: pair.c
-	$(CC) -lpthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_pair pair.c
-	$(CC) -lpthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_pair pair.c
-	$(CC) -lpthread -DEB -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_pair pair.c
-	$(CC) -lpthread -DPTHREADS -D_GNU_SOURCE $(CFLAGS) -o pthreads_pair pair.c
+	$(CC) -pthread -DMPMC -D_GNU_SOURCE $(CFLAGS) -o mpmc_pair pair.c
+	$(CC) -pthread -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_pair pair.c
+	$(CC) -pthread -DEB -DSPINLOCK -D_GNU_SOURCE $(CFLAGS) -o spinlock_eb_pair pair.c
+	$(CC) -pthread -DPTHREADS -D_GNU_SOURCE $(CFLAGS) -o pthreads_pair pair.c
 
 clean:
 	rm -rf *~ *.o *.dSYM $(OBJECTS)
 
 include ../../../build/regressions.build
-CFLAGS+=-lpthread
+CFLAGS+=-pthread