diff --git a/cpp/Makefile b/cpp/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..a6877b0b82f1e83b68e57b14c5c28c0c8203a641
--- /dev/null
+++ b/cpp/Makefile
@@ -0,0 +1,11 @@
+
+INCLUDES += -I.
+
+CXXFLAGS += -std=c++14 -O3 -Wall -Wextra -Wfatal-errors -Wno-deprecated-declarations $(INCLUDES)
+
+switchchain:
+
+# target : dep1 dep2 dep3
+# 	$@ = target
+# 	$< = dep1
+# 	$^ = dep1 dep2 dep3
diff --git a/cpp/graph.hpp b/cpp/graph.hpp
index 43376b42fe91d6530be954d9d53d9b491801ca6b..f171ce2ce002b72a8c98f59079433d0496429a7a 100644
--- a/cpp/graph.hpp
+++ b/cpp/graph.hpp
@@ -151,7 +151,6 @@ class Graph {
         // B) e1.u - e2.v and e2.u - e1.v
         // Note that to do (B) instead of (A), simply swap e2.u <-> e2.v
         // Now we can just consider switch type (A)
-        switchType = false;
         if (switchType) {
             std::swap(se2.e.u, se2.e.v);
             std::swap(se2.u2vindex, se2.v2uindex);