regressions/ck_hs: Add Makefile for benchmarks.

regressions/ck_hs/benchmark/Makefile

@@ -0,0 +1,17 @@
+.PHONY: clean distribution
+
+OBJECTS=serial parallel_bytestring
+
+all: $(OBJECTS)
+
+serial: serial.c ../../../include/ck_hs.h ../../../src/ck_hs.c
+	$(CC) $(CFLAGS) -o serial serial.c ../../../src/ck_hs.c
+
+parallel_bytestring: parallel_bytestring.c ../../../include/ck_hs.h ../../../src/ck_hs.c ../../../src/ck_epoch.c
+	$(CC) $(PTHREAD_CFLAGS) $(CFLAGS) -o parallel_bytestring parallel_bytestring.c ../../../src/ck_hs.c ../../../src/ck_epoch.c
+
+clean:
+	rm -rf *~ *.o $(OBJECTS) *.dSYM
+
+include ../../../build/regressions.build
+CFLAGS+=-D_GNU_SOURCE