diff -ruN fasthenry-3.0wr.orig/src/sparse/Makefile fasthenry-3.0wr/src/sparse/Makefile
--- fasthenry-3.0wr.orig/src/sparse/Makefile	2020-10-24 18:35:15.348900086 +0300
+++ fasthenry-3.0wr/src/sparse/Makefile	2020-10-24 18:37:09.729921680 +0300
@@ -25,12 +25,12 @@
 #	$(CC) $(CFLAGS) -o $(DESTINATION) $(TESTO) $(LIBRARY) -lm
 
 $(LIBRARY)	: $(OFILES)
-	ar r   $(LIBRARY) $?
+	$(AR) r   $(LIBRARY) $?
 	ranlib $(LIBRARY)
 
 spice		: $(LIBRARY) spSMP.o
 	cp $(LIBRARY) ../SMP.a
-	ar r ../SMP.a spSMP.o
+	$(AR) r ../SMP.a spSMP.o
 	ranlib ../SMP.a
 
 lint		: