--- /dev/null
+Bug#714923: opencv FTBFS on sparc64
+https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=714923
+
+opencv uses functions from <ext/atomicity.h>, but it wrongly assumes
+this functions apply to an int type. While it is true for some
+architectures, some architectures are using a long type there. The
+correct type to use is _Atomic_word.
+
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+
+diff -Nur opencv-2.4.12.3.orig/modules/core/include/opencv2/core/core.hpp opencv-2.4.12.3/modules/core/include/opencv2/core/core.hpp
+--- opencv-2.4.12.3.orig/modules/core/include/opencv2/core/core.hpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/include/opencv2/core/core.hpp 2016-04-03 00:10:50.455774144 +0200
+@@ -1290,7 +1290,7 @@
+ operator const _Tp*() const;
+
+ _Tp* obj; //< the object pointer.
+- int* refcount; //< the associated reference counter
++ _Atomic_word* refcount; //< the associated reference counter
+ };
+
+ template<typename T>
+@@ -1490,9 +1490,9 @@
+ public:
+ MatAllocator() {}
+ virtual ~MatAllocator() {}
+- virtual void allocate(int dims, const int* sizes, int type, int*& refcount,
++ virtual void allocate(int dims, const int* sizes, int type, _Atomic_word*& refcount,
+ uchar*& datastart, uchar*& data, size_t* step) = 0;
+- virtual void deallocate(int* refcount, uchar* datastart, uchar* data) = 0;
++ virtual void deallocate(_Atomic_word* refcount, uchar* datastart, uchar* data) = 0;
+ };
+
+ /*!
+@@ -1985,7 +1985,7 @@
+
+ //! pointer to the reference counter;
+ // when matrix points to user-allocated data, the pointer is NULL
+- int* refcount;
++ _Atomic_word* refcount;
+
+ //! helper fields used in locateROI and adjustROI
+ uchar* datastart;
+@@ -3408,7 +3408,7 @@
+ {
+ Hdr(int _dims, const int* _sizes, int _type);
+ void clear();
+- int refcount;
++ _Atomic_word refcount;
+ int dims;
+ int valueOffset;
+ size_t nodeSize;
+diff -Nur opencv-2.4.12.3.orig/modules/core/include/opencv2/core/gpumat.hpp opencv-2.4.12.3/modules/core/include/opencv2/core/gpumat.hpp
+--- opencv-2.4.12.3.orig/modules/core/include/opencv2/core/gpumat.hpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/include/opencv2/core/gpumat.hpp 2016-04-02 23:08:58.116874218 +0200
+@@ -301,7 +301,7 @@
+
+ //! pointer to the reference counter;
+ // when GpuMatrix points to user-allocated data, the pointer is NULL
+- int* refcount;
++ _Atomic_word* refcount;
+
+ //! helper fields used in locateROI and adjustROI
+ uchar* datastart;
+diff -Nur opencv-2.4.12.3.orig/modules/core/include/opencv2/core/operations.hpp opencv-2.4.12.3/modules/core/include/opencv2/core/operations.hpp
+--- opencv-2.4.12.3.orig/modules/core/include/opencv2/core/operations.hpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/include/opencv2/core/operations.hpp 2016-04-02 23:12:59.148385306 +0200
+@@ -2589,7 +2589,7 @@
+ {
+ if(obj)
+ {
+- refcount = (int*)fastMalloc(sizeof(*refcount));
++ refcount = (_Atomic_word*)fastMalloc(sizeof(*refcount));
+ *refcount = 1;
+ }
+ else
+@@ -2628,7 +2628,7 @@
+ {
+ if (this != &_ptr)
+ {
+- int* _refcount = _ptr.refcount;
++ _Atomic_word* _refcount = _ptr.refcount;
+ if( _refcount )
+ CV_XADD(_refcount, 1);
+ release();
+diff -Nur opencv-2.4.12.3.orig/modules/core/src/gpumat.cpp opencv-2.4.12.3/modules/core/src/gpumat.cpp
+--- opencv-2.4.12.3.orig/modules/core/src/gpumat.cpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/src/gpumat.cpp 2016-04-02 23:14:38.894804300 +0200
+@@ -716,7 +716,7 @@
+ datastart = data = static_cast<uchar*>(devPtr);
+ dataend = data + nettosize;
+
+- refcount = static_cast<int*>(fastMalloc(sizeof(*refcount)));
++ refcount = static_cast<_Atomic_word*>(fastMalloc(sizeof(*refcount)));
+ *refcount = 1;
+ }
+ }
+diff -Nur opencv-2.4.12.3.orig/modules/core/src/matrix.cpp opencv-2.4.12.3/modules/core/src/matrix.cpp
+--- opencv-2.4.12.3.orig/modules/core/src/matrix.cpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/src/matrix.cpp 2016-04-02 23:59:53.405491031 +0200
+@@ -213,7 +213,7 @@
+ {
+ size_t totalsize = alignSize(step.p[0]*size.p[0], (int)sizeof(*refcount));
+ data = datastart = (uchar*)fastMalloc(totalsize + (int)sizeof(*refcount));
+- refcount = (int*)(data + totalsize);
++ refcount = (_Atomic_word*)(data + totalsize);
+ *refcount = 1;
+ }
+ else
+@@ -228,7 +228,7 @@
+ allocator = 0;
+ size_t totalSize = alignSize(step.p[0]*size.p[0], (int)sizeof(*refcount));
+ data = datastart = (uchar*)fastMalloc(totalSize + (int)sizeof(*refcount));
+- refcount = (int*)(data + totalSize);
++ refcount = (_Atomic_word*)(data + totalSize);
+ *refcount = 1;
+ }
+ #else
+diff -Nur opencv-2.4.12.3.orig/modules/core/src/system.cpp opencv-2.4.12.3/modules/core/src/system.cpp
+--- opencv-2.4.12.3.orig/modules/core/src/system.cpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/core/src/system.cpp 2016-04-02 23:33:19.298905578 +0200
+@@ -892,7 +892,7 @@
+ void unlock() { LeaveCriticalSection(&cs); }
+
+ CRITICAL_SECTION cs;
+- int refcount;
++ _Atomic_word refcount;
+ };
+
+ #ifndef __GNUC__
+@@ -920,7 +920,7 @@
+ void unlock() { OSSpinLockUnlock(&sl); }
+
+ OSSpinLock sl;
+- int refcount;
++ _Atomic_word refcount;
+ };
+
+ #elif defined __linux__ && !defined ANDROID && !defined __LINUXTHREADS_OLD__
+@@ -935,7 +935,7 @@
+ void unlock() { pthread_spin_unlock(&sl); }
+
+ pthread_spinlock_t sl;
+- int refcount;
++ _Atomic_word refcount;
+ };
+
+ #else
+@@ -950,7 +950,7 @@
+ void unlock() { pthread_mutex_unlock(&sl); }
+
+ pthread_mutex_t sl;
+- int refcount;
++ _Atomic_word refcount;
+ };
+
+ #endif
+diff -Nur opencv-2.4.12.3.orig/modules/gpu/include/opencv2/gpu/gpu.hpp opencv-2.4.12.3/modules/gpu/include/opencv2/gpu/gpu.hpp
+--- opencv-2.4.12.3.orig/modules/gpu/include/opencv2/gpu/gpu.hpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/gpu/include/opencv2/gpu/gpu.hpp 2016-04-02 23:16:19.737293785 +0200
+@@ -125,7 +125,7 @@
+ size_t step;
+
+ uchar* data;
+- int* refcount;
++ _Atomic_word* refcount;
+
+ uchar* datastart;
+ uchar* dataend;
+diff -Nur opencv-2.4.12.3.orig/modules/ocl/include/opencv2/ocl/ocl.hpp opencv-2.4.12.3/modules/ocl/include/opencv2/ocl/ocl.hpp
+--- opencv-2.4.12.3.orig/modules/ocl/include/opencv2/ocl/ocl.hpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/ocl/include/opencv2/ocl/ocl.hpp 2016-04-02 23:18:55.715331443 +0200
+@@ -404,7 +404,7 @@
+
+ //! pointer to the reference counter;
+ // when oclMatrix points to user-allocated data, the pointer is NULL
+- int *refcount;
++ _Atomic_word *refcount;
+
+ //! helper fields used in locateROI and adjustROI
+ //datastart and dataend are not used in current version
+diff -Nur opencv-2.4.12.3.orig/modules/ocl/src/matrix_operations.cpp opencv-2.4.12.3/modules/ocl/src/matrix_operations.cpp
+--- opencv-2.4.12.3.orig/modules/ocl/src/matrix_operations.cpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/ocl/src/matrix_operations.cpp 2016-04-02 23:19:23.633128033 +0200
+@@ -591,7 +591,7 @@
+ datastart = data = (uchar *)dev_ptr;
+ dataend = data + nettosize;
+
+- refcount = (int *)fastMalloc(sizeof(*refcount));
++ refcount = (_Atomic_word *)fastMalloc(sizeof(*refcount));
+ *refcount = 1;
+ }
+ }
+diff -Nur opencv-2.4.12.3.orig/modules/python/src2/cv2.cpp opencv-2.4.12.3/modules/python/src2/cv2.cpp
+--- opencv-2.4.12.3.orig/modules/python/src2/cv2.cpp 2015-10-26 08:56:34.000000000 +0100
++++ opencv-2.4.12.3/modules/python/src2/cv2.cpp 2016-04-02 23:18:34.897991791 +0200
+@@ -157,12 +157,12 @@
+ static size_t REFCOUNT_OFFSET = (size_t)&(((PyObject*)0)->ob_refcnt) +
+ (0x12345678 != *(const size_t*)"\x78\x56\x34\x12\0\0\0\0\0")*sizeof(int);
+
+-static inline PyObject* pyObjectFromRefcount(const int* refcount)
++static inline PyObject* pyObjectFromRefcount(const _Atomic_word* refcount)
+ {
+ return (PyObject*)((size_t)refcount - REFCOUNT_OFFSET);
+ }
+
+-static inline int* refcountFromPyObject(const PyObject* obj)
++static inline _Atomic_word* refcountFromPyObject(const PyObject* obj)
+ {
+ return (int*)((size_t)obj + REFCOUNT_OFFSET);
+ }
+@@ -173,7 +173,7 @@
+ NumpyAllocator() {}
+ ~NumpyAllocator() {}
+
+- void allocate(int dims, const int* sizes, int type, int*& refcount,
++ void allocate(int dims, const int* sizes, int type, _Atomic_word*& refcount,
+ uchar*& datastart, uchar*& data, size_t* step)
+ {
+ PyEnsureGIL gil;
+@@ -206,7 +206,7 @@
+ datastart = data = (uchar*)PyArray_DATA((PyArrayObject*) o);
+ }
+
+- void deallocate(int* refcount, uchar*, uchar*)
++ void deallocate(_Atomic_word* refcount, uchar*, uchar*)
+ {
+ PyEnsureGIL gil;
+ if( !refcount )
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