+#CFLAGS += -DPARALLEL -fopenmp
+#CFLAGS += -DPTHREADS -lpthread
+#CFLAGS += -DVISUAL_THREAD -lpthread
+#CFLAGS += -DPTHREADS -DVISUAL_THREAD -lpthread
+
+#CFLAGS += -DALBE
+CFLAGS += -DALBE_FAST
+#CFLAGS += -DTERSOFF_ORIG
+
+#CFLAGS += -DSTATIC_LISTS
+CFLAGS += -DLOWMEM_LISTS
+
+#CFLAGS += -DPDEBUG