diff --git a/oa/fake_oa_stub/oa/include/oaDB.h b/oa/fake_oa_stub/oa/include/oaDB.h
new file mode 100644
index 00000000..3d08f33d
--- /dev/null
+++ b/oa/fake_oa_stub/oa/include/oaDB.h
@@ -0,0 +1,284 @@
+/*
+ *
+ *
+ *
+ */
+
+#ifndef _OA_STUB__OADB_HH
+#define _OA_STUB__OADB_HH
+
+#include <exception>
+#include <string>
+
+#ifndef TRUE
+ #define TRUE 1
+#endif
+
+typedef char oaChar;
+
+typedef std::string oaString;
+
+extern int oaDBInit(int* argc, char **argv);
+
+//oaCellViewType viewType=oacMaskLayout
+enum oaCellViewType {
+  oacMaskLayout
+};
+
+class oaException : public std::exception {
+public:
+   char const *getMsg(void) { 
+       return "exception";
+   }
+};
+
+class oaDBException : public std::exception {
+public:
+#if 0
+   char const *getMsg(void) { 
+       return "exception";
+   }
+#endif
+   char const* getFormatString() {
+       return "exception";
+   }
+};
+
+class oaNativeNS {
+
+};
+
+class oaScalarName {
+public:
+    oaScalarName(oaNativeNS const& ns, oaChar const* name) {
+    }
+    oaScalarName(oaNativeNS const& ns, oaString const& name) {
+    }
+};
+
+
+class oaPoint {
+public:
+};
+
+class oaBox {
+public:
+    oaChar const* left(void) {
+       return nullptr;
+    }
+    oaChar const* right(void) {
+       return nullptr;
+    }
+    oaChar const* top(void) {
+       return nullptr;
+    }
+    oaChar const* bottom(void) {
+       return nullptr;
+    }
+};
+
+class oaSiteDefType {
+public:
+    oaString const getName(void) {
+        return oaString("oaSiteDefType");
+    }
+};
+
+class oaSiteDef {
+public:
+    int getHeight(void) {
+        return 0;
+    }
+    oaSiteDefType getSiteDefType(void) {
+       return oaSiteDefType();
+    }
+};
+
+template <typename T>
+class oaIter {
+public:
+    T* getNext(void) {
+        return nullptr;
+    }
+    unsigned int getCount() {
+        return 0;
+    }
+};
+
+class oaPrefRoutingDir {
+public:
+    oaString const getName(void) {
+        return oaString("");
+    }
+};
+
+class oaTech;
+
+class oaPhysicalLayer {
+public:
+    void getName(oaString const& s) {
+    }
+    unsigned int getRouteGridPitch() {
+        return 0;
+    }
+    unsigned int getRouteGridOffset() {
+        return 0;
+    }
+    oaPrefRoutingDir getPrefRoutingDir() {
+        return oaPrefRoutingDir(); // .getName()
+    }
+    unsigned int getManufacturingGrid() {
+        return 0;
+    }
+
+    static oaPhysicalLayer* find(oaTech* tech, unsigned int layerNumber) {
+        return new oaPhysicalLayer();
+    }
+};
+
+class oaRouteLayerSpec {
+public:
+    oaPhysicalLayer* layer(void) {
+        return nullptr;
+    }
+    unsigned int width() {
+        return 0;
+    }
+    unsigned int spacing() {
+        return 0;
+    }
+    unsigned int diagWidth() {
+        return 0;
+    }
+    unsigned int diagSpacing() {
+        return 0;
+    }
+    unsigned int wireExt() {
+        return 0;
+    }
+};
+
+class oaRouteLayerSpecArray {
+private:
+public:
+    unsigned int getNumValues() {
+        return 0;
+    }
+    oaRouteLayerSpec operator [](int index) {
+        return oaRouteLayerSpec();
+    }
+};
+
+class oaRouteSpec {
+public:
+    bool isWidthFixed() {
+        return false;
+    }
+    bool isSpacingFixed() {
+        return false;
+    }
+    void getName(oaString const& s) {
+    }
+    void getLayerSpecs(oaRouteLayerSpecArray const& array) {
+    
+    }
+};
+
+class oaLayer {
+public:
+    void getName(oaString const& s) {
+    }
+    unsigned int getNumber(void) {
+        return 0;
+    }
+};
+
+
+enum oacUnits {
+    oacMicron,
+    oacMillimeter,
+    oacCentimeter,
+    oacMeter,
+    oacMil,
+    oacInch,
+    oacNanometer
+};
+
+class oaTech {
+public:
+    oacUnits getUserUnits(oaCellViewType const& cellViewType) {
+        return oacMicron;
+    }
+    void close(void) {
+    }
+    int getDBUPerUU(oaCellViewType const& viewType) {
+        return 0;
+    }
+    oaIter<oaSiteDef> getSiteDefs(void) {
+        return oaIter<oaSiteDef>();
+    }
+    oaIter<oaRouteSpec> getRouteSpecs(void) {
+        return oaIter<oaRouteSpec>();
+    }
+    oaIter<oaLayer> getLayers(void) {
+        return oaIter<oaLayer>();
+    }
+    static oaTech* open(oaScalarName const& chipTechName) {
+        return new oaTech();
+    }
+};
+
+class oaInst;
+
+class oaBlock {
+public:
+    oaIter<oaInst> getInsts(void) {
+        return oaIter<oaInst>();
+    }
+    void getBBox(oaBox& bb) {
+    }
+};
+
+class oaCellView {
+public:
+    oaBlock* getTopBlock(void) {
+        return nullptr;
+    }
+    void close(void) { }
+    
+    void getCellName(oaNativeNS& ns, oaString& s) {
+    }
+    
+    static oaCellView* find(oaChar const* lib, oaChar const* cell, oaChar const* view) {
+        return nullptr;
+    }
+    static oaCellView* find(oaString& lib, oaString& cell, oaString& view) {
+        return nullptr;
+    }
+    static oaCellView* find(oaScalarName& lib, oaScalarName& cell, oaScalarName& view) {
+        return nullptr;
+    }
+    
+    static oaCellView* open(oaScalarName const& libName, oaScalarName const& cellName, oaScalarName const& viewName,
+                            oaCellViewType cellViewType, char mode) {
+        return new oaCellView();
+    }
+
+    static oaIter<oaCellView> getOpenCellViews() {
+        return oaIter<oaCellView>();
+    }
+};
+
+class oaInst {
+public:
+    void getOrigin(oaPoint const& origin) {
+    }
+    void getName(oaNativeNS const& ns, oaString const& s) {
+    }
+    oaCellView* getMaster(void) {
+        return new oaCellView();
+    }
+};
+
+
+#endif /* _OA_STUB__OADB_HH */