diff --git a/cpp/Makefile b/cpp/Makefile
index 8ffa5bd74bcdec1dcdf1f8286bf75dada688fdfd..120aa577b78eb9f21a2335caa6508c465fd6bb03 100644
--- a/cpp/Makefile
+++ b/cpp/Makefile
@@ -10,20 +10,18 @@ CXXFLAGS += $(INCLUDES)
 CXXFLAGS += -DNDEBUG
 CXXFLAGS += -Wno-int-in-bool-context
 
-all: switchchain switchchain_exponent switchchain_initialtris switchchain_dsp
-
-
-switchchain:
-
-
-switchchain_exponent:
-
-
-switchchain_initialtris:
-
-
-switchchain_dsp:
-
+TARGETS += switchchain
+TARGETS += switchchain_dsp
+TARGETS += switchchain_exponent
+TARGETS += switchchain_initialtris
+TARGETS += switchchain_mixingtime
+TARGETS += switchchain_successrates
+TARGETS += switchchain_timeevol
+
+all: $(TARGETS)
+
+clean:
+	rm -f $(TARGETS)
 
 # target : dep1 dep2 dep3
 # 	$@ = target