diff --git a/cpp/Makefile b/cpp/Makefile
index a6877b0b82f1e83b68e57b14c5c28c0c8203a641..d49fb6b44ca29f1ad72ac1483b4bf9f98d7c3431 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -3,8 +3,19 @@ INCLUDES += -I.
 
 CXXFLAGS += -std=c++14 -O3 -Wall -Wextra -Wfatal-errors -Wno-deprecated-declarations $(INCLUDES)
 
+
+all: switchchain switchchain_exponent switchchain_initialtris
+
+
 switchchain:
 
+
+switchchain_exponent:
+
+
+switchchain_initialtris:
+
+
 # target : dep1 dep2 dep3
 # 	$@ = target
 # 	$< = dep1