diff -Nuarp opencv-2.4.13.7.orig/modules/core/src/gpumat.cpp opencv-2.4.13.7/modules/core/src/gpumat.cpp
--- opencv-2.4.13.7.orig/modules/core/src/gpumat.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7/modules/core/src/gpumat.cpp	2021-05-12 13:05:39.939811441 +0800
@@ -222,40 +222,40 @@ static bool loadCudaSupportLib()
 
 #endif
 
-static GpuFuncTable* gpuFuncTable()
-{
 #ifdef DYNAMIC_CUDA_SUPPORT
-   static EmptyFuncTable stub;
-   static GpuFuncTable* libFuncTable = loadCudaSupportLib() ? gpuFactory(): (GpuFuncTable*)&stub;
-   static GpuFuncTable *funcTable = libFuncTable ? libFuncTable : (GpuFuncTable*)&stub;
+static EmptyFuncTable g_GpuFuncTable_stub;
+static GpuFuncTable* g_GpuFuncTable_libFuncTable = loadCudaSupportLib() ? gpuFactory(): (GpuFuncTable*)&g_GpuFuncTable_stub;
+static GpuFuncTable *g_GpuFuncTable_funcTable = g_GpuFuncTable_libFuncTable ? g_GpuFuncTable_libFuncTable : (GpuFuncTable*)&g_GpuFuncTable_stub;
 #else
 # ifdef USE_CUDA
-   static CudaFuncTable impl;
-   static GpuFuncTable* funcTable = &impl;
+static CudaFuncTable g_GpuFuncTable_impl;
+static GpuFuncTable* g_GpuFuncTable_funcTable = &g_GpuFuncTable_impl;
 #else
-   static EmptyFuncTable stub;
-   static GpuFuncTable* funcTable = &stub;
+static EmptyFuncTable g_GpuFuncTable_stub;
+static GpuFuncTable* g_GpuFuncTable_funcTable = &g_GpuFuncTable_stub;
 #endif
 #endif
-   return funcTable;
+static GpuFuncTable* gpuFuncTable()
+{
+   return g_GpuFuncTable_funcTable;
 }
 
-static DeviceInfoFuncTable* deviceInfoFuncTable()
-{
 #ifdef DYNAMIC_CUDA_SUPPORT
-   static EmptyDeviceInfoFuncTable stub;
-   static DeviceInfoFuncTable* libFuncTable = loadCudaSupportLib() ? deviceInfoFactory(): (DeviceInfoFuncTable*)&stub;
-   static DeviceInfoFuncTable* funcTable = libFuncTable ? libFuncTable : (DeviceInfoFuncTable*)&stub;
+static EmptyDeviceInfoFuncTable g_DeviceInfoFuncTable_stub;
+static DeviceInfoFuncTable* g_DeviceInfoFuncTable_libFuncTable = loadCudaSupportLib() ? deviceInfoFactory(): (DeviceInfoFuncTable*)&g_DeviceInfoFuncTable_stub;
+static DeviceInfoFuncTable* g_DeviceInfoFuncTable_funcTable = g_DeviceInfoFuncTable_libFuncTable ? g_DeviceInfoFuncTable_libFuncTable : (DeviceInfoFuncTable*)&g_DeviceInfoFuncTable_stub;
 #else
 # ifdef USE_CUDA
-   static CudaDeviceInfoFuncTable impl;
-   static DeviceInfoFuncTable* funcTable = &impl;
+static CudaDeviceInfoFuncTable g_DeviceInfoFuncTable_impl;
+static DeviceInfoFuncTable* g_DeviceInfoFuncTable_funcTable = &g_DeviceInfoFuncTable_impl;
 #else
-   static EmptyDeviceInfoFuncTable stub;
-   static DeviceInfoFuncTable* funcTable = &stub;
+static EmptyDeviceInfoFuncTable g_DeviceInfoFuncTable_stub;
+static DeviceInfoFuncTable* g_DeviceInfoFuncTable_funcTable = &g_DeviceInfoFuncTable_stub;
 #endif
 #endif
-   return funcTable;
+static DeviceInfoFuncTable* deviceInfoFuncTable()
+{
+   return g_DeviceInfoFuncTable_funcTable;
 }
 
 
diff -Nuarp opencv-2.4.13.7.orig/modules/core/src/matop.cpp opencv-2.4.13.7/modules/core/src/matop.cpp
--- opencv-2.4.13.7.orig/modules/core/src/matop.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7/modules/core/src/matop.cpp	2021-05-12 14:09:01.821745993 +0800
@@ -203,10 +203,10 @@ public:
     static void makeExpr(MatExpr& res, int method, int ndims, const int* sizes, int type, double alpha=1);
 };
 
+static MatOp_Initializer g_MatOp_initializer;
 static MatOp_Initializer* getGlobalMatOpInitializer()
 {
-    static MatOp_Initializer initializer;
-    return &initializer;
+    return &g_MatOp_initializer;
 }
 
 static inline bool isIdentity(const MatExpr& e) { return e.op == &g_MatOp_Identity; }