--- src/Makefile.orig	2020-05-03 03:50:23.501557199 -0400
+++ src/Makefile	2020-05-03 03:53:32.147681674 -0400
@@ -10,10 +10,10 @@
 # List of the common source files
 objs=cell.o common.o container.o unitcell.o v_compute.o c_loops.o \
      v_base.o wall.o pre_container.o container_prd.o
-src=$(patsubst %.o,%.cc,$(objs))
+src=$(objs:.o=.cc)
 
 # Makefile rules
-all: libvoro++.a voro++
+all: depend libvoro++.a voro++
 
 depend:
 	$(CXX) -MM $(src) >Makefile.dep
@@ -22,12 +22,12 @@
 
 libvoro++.a: $(objs)
 	rm -f libvoro++.a
-	ar rs libvoro++.a $^
+	$(AR) rs libvoro++.a $(objs)
 
 voro++: libvoro++.a cmd_line.cc
 	$(CXX) $(CFLAGS) -L. -o voro++ cmd_line.cc -lvoro++
 
-%.o: %.cc
+.cc.o:
 	$(CXX) $(CFLAGS) -c $<
 
 help: Doxyfile $(SOURCE)