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It's about static syntax at NVCPixelOperations.hpp

open it with `sudo gedit <opencv_sources>/modules/gpu/src/nvidia/core/NVCPixelOperations.hpp

and delete static's which line is starting template<> static inline ....... (from inline fuonction prototypes) but do not delete which has just starting static inline.

I didn't find the bug's page now. But I faced with this problem 1 or 2 months ago.

....

template<typename TBase> inline __host__ __device__ TBase _pixMaxVal();
template<> inline __host__ __device__ Ncv8u  _pixMaxVal<Ncv8u>()  {return UCHAR_MAX;}
template<> inline __host__ __device__ Ncv16u _pixMaxVal<Ncv16u>() {return USHRT_MAX;}
template<> inline __host__ __device__ Ncv32u _pixMaxVal<Ncv32u>() {return  UINT_MAX;}
template<> inline __host__ __device__ Ncv8s  _pixMaxVal<Ncv8s>()  {return  SCHAR_MAX;}
template<> inline __host__ __device__ Ncv16s _pixMaxVal<Ncv16s>() {return  SHRT_MAX;}
template<> inline __host__ __device__ Ncv32s _pixMaxVal<Ncv32s>() {return   INT_MAX;}
template<> inline __host__ __device__ Ncv32f _pixMaxVal<Ncv32f>() {return   FLT_MAX;}
template<> inline __host__ __device__ Ncv64f _pixMaxVal<Ncv64f>() {return   DBL_MAX;}

template<typename TBase> inline __host__ __device__ TBase _pixMinVal();
template<> inline __host__ __device__ Ncv8u  _pixMinVal<Ncv8u>()  {return 0;}
template<> inline __host__ __device__ Ncv16u _pixMinVal<Ncv16u>() {return 0;}
template<> inline __host__ __device__ Ncv32u _pixMinVal<Ncv32u>() {return 0;}
template<> inline __host__ __device__ Ncv8s  _pixMinVal<Ncv8s>()  {return SCHAR_MIN;}
template<> inline __host__ __device__ Ncv16s _pixMinVal<Ncv16s>() {return SHRT_MIN;}
template<> inline __host__ __device__ Ncv32s _pixMinVal<Ncv32s>() {return INT_MIN;}
template<> inline __host__ __device__ Ncv32f _pixMinVal<Ncv32f>() {return FLT_MIN;}
template<> inline __host__ __device__ Ncv64f _pixMinVal<Ncv64f>() {return DBL_MIN;}
... ...
... ...
... ...
template<typename Tout> inline Tout _pixMakeZero();
template<> inline __host__ __device__ uchar1 _pixMakeZero<uchar1>() {return make_uchar1(0);}
template<> inline __host__ __device__ uchar3 _pixMakeZero<uchar3>() {return make_uchar3(0,0,0);}
template<> inline __host__ __device__ uchar4 _pixMakeZero<uchar4>() {return make_uchar4(0,0,0,0);}
template<> inline __host__ __device__ ushort1 _pixMakeZero<ushort1>() {return make_ushort1(0);}
template<> inline __host__ __device__ ushort3 _pixMakeZero<ushort3>() {return make_ushort3(0,0,0);}
template<> inline __host__ __device__ ushort4 _pixMakeZero<ushort4>() {return make_ushort4(0,0,0,0);}
template<> inline __host__ __device__ uint1 _pixMakeZero<uint1>() {return make_uint1(0);}
template<> inline __host__ __device__ uint3 _pixMakeZero<uint3>() {return make_uint3(0,0,0);}
template<> inline __host__ __device__ uint4 _pixMakeZero<uint4>() {return make_uint4(0,0,0,0);}
template<> inline __host__ __device__ float1 _pixMakeZero<float1>() {return make_float1(0.f);}
template<> inline __host__ __device__ float3 _pixMakeZero<float3>() {return make_float3(0.f,0.f,0.f);}
template<> inline __host__ __device__ float4 _pixMakeZero<float4>() {return make_float4(0.f,0.f,0.f,0.f);}
template<> inline __host__ __device__ double1 _pixMakeZero<double1>() {return make_double1(0.);}
template<> inline __host__ __device__ double3 _pixMakeZero<double3>() {return make_double3(0.,0.,0.);}
template<> inline __host__ __device__ double4 _pixMakeZero<double4>() {return make_double4(0.,0.,0.,0.);}

find these lines and delete static word between template<> and inline it has to be as above and make opencv again.