diff -aur ggnfs-code/src/Makefile ggnfs-code-hack/src/Makefile
--- ggnfs-code/src/Makefile	2016-01-10 22:14:26.198080653 +0200
+++ ggnfs-code-hack/src/Makefile	2016-01-11 10:49:12.901564767 +0200
@@ -128,7 +128,7 @@
 	$(CC) $(INC) $(CFLAGS) $(LIBFLAGS) -o $@ polyselect.c $(OBJS) $(LIBS)
 
 latsiever :
-	$(MAKE) -C lasieve4
+#	$(MAKE) -C experimental/lasieve4_64
 
 polsel :
 	$(MAKE) -C pol5