diff --git a/src/common.cpp b/src/common.cpp
new file mode 100644
index 0000000..e000947
--- /dev/null
+++ b/src/common.cpp
@@ -0,0 +1,8 @@
+#include <string>
+#include <iostream>
+#include "common.h"
+
+void clog(std::string message)
+{
+  std::cout << "wtpp: " << message << '\n';
+}