- Update to version 2021.11.0:

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- Update to version 2020.3
  * Changed body type concept of the flow::input_node.
    Set TBB_DEPRECATED_INPUT_NODE_BODY to 1 to compile with the previous
    concept of the body type.
  * Fixed compilation errors in C++20 mode due to ambiguity of comparison
    operators. Inspired by Barry Revzin
    (https://github.com/oneapi-src/oneTBB/pull/251).
  * Fixed an issue in TBBBuild.cmake that causes the build with no arguments
    to fail (https://github.com/oneapi-src/oneTBB/pull/233)

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- Update to version 2020.2
  * Cross-allocator copying constructor and copy assignment operator
    for concurrent_vector are deprecated.
  * Added input_node to the flow graph API. It acts like a source_node 
    except for being inactive by default; source_node is deprecated.
  * Allocator template parameter for flow graph nodes is deprecated. Set
    TBB_DEPRECATED_FLOW_NODE_ALLOCATOR to 1 to avoid compilation errors.
  * Flow graph preview hetero-features are deprecated.
  * Fixed the task affinity mechanism to prevent unlimited memory
    consumption in case the number of threads is explicitly decreased.
  * Fixed memory leak related NUMA support functionality in task_arena.

- Update to version 2020.1
  * Fixed the issue of task_arena constraints not propagated on
    copy construction.
  * Fixed TBBGet.cmake script broken by TBB package name changes
    (https://github.com/intel/tbb/issues/209).

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- Update to version 2020.0 
  * Extended task_arena interface to simplify development of
    NUMA-aware applications.
  * Added warning notifications when the deprecated functionality is
    used.

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- Update to version 2019_u9
  * Multiple APIs are deprecated. For details, please see
    Deprecated Features appendix in the TBB reference manual.
  * Added C++17 deduction guides for flow graph nodes.
  Preview Features
  * Added isolated_task_group class that allows multiple threads to add 
    and execute tasks sharing the same isolation.
  * Extended the flow graph API to simplify connecting nodes.
  * Added erase() by heterogeneous keys for concurrent ordered containers.
  * Added a possibility to suspend task execution at a specific point
    and resume it later.
  
  Bugs fixed
  * Fixed the emplace() method of concurrent unordered containers to
    destroy a temporary element that was not inserted.
  * Fixed a bug in the merge() method of concurrent unordered
    containers.
  * Fixed behavior of a continue_node that follows buffering nodes.
  * Added support for move-only types to tbb::parallel_pipeline
  * Fixed detection of clang version when CUDA toolkit is installed
- Refresh patches:
  * cmake-remove-include-path.patch
  * disable-irml.patch
  * optflags.patch

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- Add cmake-remove-include-path.patch to remove setting include
  path since we already install under /usr/include and this fixes
  idiot OpenCV trying to do -isystem $TBB_INCLUDE_DIR

- Update to version 2019_U8
  * Fixed a bug in TBB 2019 Update 7 that could lead to incorrect memory
    reallocation on Linux (https://github.com/intel/tbb/issues/148).
  * Fixed enqueuing tbb::task into tbb::task_arena not to fail on threads
    with no task scheduler initialized
    (https://github.com/intel/tbb/issues/116).

- Update to version 2019_U7
  * Added TBBMALLOC_SET_HUGE_SIZE_THRESHOLD parameter to set the
    lower bound for allocations that are not released back to OS
    unless a cleanup is explicitly requested.
  * Added zip_iterator::base() method to get the tuple of underlying
    iterators.
  * Improved async_node to never block a thread that sends a message
    through its gateway.
  * Extended decrement port of the tbb::flow::limiter_node to accept
    messages of integral types.
  * Removed the number_of_decrement_predecessors parameter from the
    constructor of flow::limiter_node. To allow its usage, set
    TBB_DEPRECATED_LIMITER_NODE_CONSTRUCTOR macro to 1.
  * Added ordered associative containers:
    concurrent_{map,multimap,set,multiset} (requires C++11).

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- Update to version 2019_U6
  * Added support for enqueuing tbb::task into tbb::task_arena
    (https://github.com/01org/tbb/issues/116).
  * Improved support for allocator propagation on concurrent_hash_map
    assigning and swapping.
  * Improved scalable_allocation_command cleanup operations to release
    more memory buffered by the calling thread.
  * Separated allocation of small and large objects into distinct memory
    regions, which helps to reduce excessive memory caching inside the
    TBB allocator.
- Disable python2 support

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