diff -Naur a/ccx_2.17/src/Makefile b/ccx_2.17/src/Makefile
--- a/ccx_2.17/src/Makefile	2020-07-23 21:41:38.507761972 +0200
+++ b/ccx_2.17/src/Makefile	2020-08-22 16:53:50.004938281 +0200
@@ -18,15 +18,10 @@
 OCCXC = $(SCCXC:.c=.o)
 OCCXMAIN = $(SCCXMAIN:.c=.o)
 
-DIR=../../../SPOOLES.2.2
+LIBS = -lpthread -lm -lc -lspooles -larpack -lblas -llapack
 
-LIBS = \
-       $(DIR)/spooles.a \
-	../../../ARPACK/libarpack_INTEL.a \
-       -lpthread -lm -lc
-
-ccx_2.17: $(OCCXMAIN) ccx_2.17.a  $(LIBS)
-	./date.pl; $(CC) $(CFLAGS) -c ccx_2.17.c; $(FC)  -Wall -O2 -o $@ $(OCCXMAIN) ccx_2.17.a $(LIBS)
+ccx_2.17: $(OCCXMAIN) ccx_2.17.a
+	$(CC) $(CFLAGS) -c ccx_2.17.c; $(FC)  -Wall -O2 -o $@ $(OCCXMAIN) ccx_2.17.a $(LIBS)
 
 ccx_2.17.a: $(OCCXF) $(OCCXC)
 	ar vr $@ $?