--- Makefile.orig
+++ Makefile
@@ -1,30 +1,28 @@
 LIBS    = -lm
 BINDIR  = ./bin
-CFLAGS  = -O2 -funroll-loops 
-CC        = gcc $(CFLAGS)
 
 fluctuate : fluctuate.o fluc_modellike.o getdata.o plot.o wrap.o \
     coal_modellike.o
-	$(CC) fluctuate.o fluc_modellike.o getdata.o plot.o wrap.o \
+	$(CC) $(CFLAGS) fluctuate.o fluc_modellike.o getdata.o plot.o wrap.o \
     coal_modellike.o $(LIBS) -o fluctuate
 
 clean :
 	rm fluctuate.o fluc_modellike.o coal_modellike.o getdata.o plot.o wrap.o
 
 fluctuate.o : fluctuate.c
-	$(CC) -c fluctuate.c
+	$(CC) $(CFLAGS) -c fluctuate.c
 
 fluc_modellike.o : fluc_modellike.c
-	$(CC) -c fluc_modellike.c
+	$(CC) $(CFLAGS) -c fluc_modellike.c
 
 coal_modellike.o : coal_modellike.c
-	$(CC) -c coal_modellike.c
+	$(CC) $(CFLAGS) -c coal_modellike.c
 
 getdata.o : getdata.c
-	$(CC) -c getdata.c
+	$(CC) $(CFLAGS) -c getdata.c
 
 plot.o : plot.c
-	$(CC) -c plot.c
+	$(CC) $(CFLAGS) -c plot.c
 
 wrap.o : wrap.c
-	$(CC) -c wrap.c
+	$(CC) $(CFLAGS) -c wrap.c