diff --git a/src/Makefile.am b/src/Makefile.am
index b1e67cf2e..46e03dc83 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -559,6 +559,9 @@ if ENABLE_WALLET
 komodod_LDADD += $(LIBBITCOIN_WALLET)
 endif
 
+cclib.so: cclib.cpp
+    gcc -o cclib.so -c cclib.cpp
+
 komodod_LDADD += \
   $(BOOST_LIBS) \
   $(BDB_LIBS) \
diff --git a/src/cc/cclib.cpp b/src/cc/cclib.cpp
new file mode 100644
index 000000000..5cd56f9eb
--- /dev/null
+++ b/src/cc/cclib.cpp
@@ -0,0 +1,2 @@
+
+char *CClib_name() { return("stub"); }
diff --git a/src/cc/eval.h b/src/cc/eval.h
index be86629a0..a42bbdb2f 100644
--- a/src/cc/eval.h
+++ b/src/cc/eval.h
@@ -60,6 +60,8 @@
 
 
 // evalcodes 0x10 to 0x7f are reserved for cclib dynamic CC
+#define EVAL_FIRSTUSER 0x10
+#define EVAL_LASTUSER 0x7f
 
 typedef uint8_t EvalCode;