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kumquat-buildroot/package/opencv/0002-atomic.patch
Waldemar Brodkorb f195aad458 opencv: fix compile issues 
The first patch from Debian fixes following autobuild failure:
http://autobuild.buildroot.net/results/eda5c6c43da40a342e0f545a348d2f865eb5ccf2/

Tested with ARM build without a regression.

The second patch fixes musl arm autobuild failure:
http://autobuild.buildroot.net/results/6a397de789c809984b851a304078e26b2ac58974/

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Tested-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-05-01 23:50:13 +02:00

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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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