diff --git a/src/libCom/epicsTypes.c b/src/libCom/epicsTypes.c
new file mode 100644
index 000000000..a8736d738
--- /dev/null
+++ b/src/libCom/epicsTypes.c
@@ -0,0 +1,3 @@
+
+#define epicsTypesGLOBAL
+#include "epicsTypes.h"