SimpleVlad · alvoron · Dec 11, 2020 · Nov 6, 2020 · Nov 6, 2020 · Nov 6, 2020
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
@@ -54,7 +54,7 @@
      to reduce attachment size
    * Use PNG for images, if you report some CV related bug, but not image reader
      issue
-   * Attach the image as archite to the ticket, if you report some reader issue.
+   * Attach the image as archive to the ticket, if you report some reader issue.
      Image hosting services compress images and it breaks the repro code.
    * Provide ONNX file for some public model or ONNX file with with random weights,
      if you report ONNX parsing or handling issue. Architecture details diagram

diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
@@ -2,7 +2,7 @@
 
 See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
 
-- [ ] I agree to contribute to the project under OpenCV (BSD) License.
+- [ ] I agree to contribute to the project under Apache 2 License.
 - [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or other license that is incompatible with OpenCV
 - [ ] The PR is proposed to proper branch
 - [ ] There is reference to original bug report and related work

diff --git a/.github/workflows/arm64-build-checks.yml b/.github/workflows/arm64-build-checks.yml
@@ -0,0 +1,47 @@
+name: arm64 build checks
+
+on: workflow_dispatch
+
+jobs:
+  build:
+
+    runs-on: ubuntu-18.04
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install dependency packages
+      run: |
+        sudo sed -i -E 's|^deb ([^ ]+) (.*)$|deb [arch=amd64] \1 \2\ndeb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ \2|' /etc/apt/sources.list
+        sudo dpkg --add-architecture arm64
+        sudo apt-get update
+        sudo apt-get install -y --no-install-recommends \
+                crossbuild-essential-arm64 \
+                git \
+                cmake \
+                libpython-dev:arm64 \
+                libpython3-dev:arm64 \
+                python-numpy \
+                python3-numpy
+
+    - name: Fetch opencv_contrib
+      run: |
+        git clone --depth 1 https://github.com/opencv/opencv_contrib.git ../opencv_contrib
+
+    - name: Configure
+      run: |
+        mkdir build
+        cd build
+        cmake -DPYTHON2_INCLUDE_PATH=/usr/include/python2.7/ \
+              -DPYTHON2_LIBRARIES=/usr/lib/aarch64-linux-gnu/libpython2.7.so \
+              -DPYTHON2_NUMPY_INCLUDE_DIRS=/usr/lib/python2.7/dist-packages/numpy/core/include \
+              -DPYTHON3_INCLUDE_PATH=/usr/include/python3.6m/ \
+              -DPYTHON3_LIBRARIES=/usr/lib/aarch64-linux-gnu/libpython3.6m.so \
+              -DPYTHON3_NUMPY_INCLUDE_DIRS=/usr/lib/python3/dist-packages/numpy/core/include \
+              -DCMAKE_TOOLCHAIN_FILE=../platforms/linux/aarch64-gnu.toolchain.cmake \
+              -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \
+              ../
+
+    - name: Build
+      run: |
+        cd build
+        make -j$(nproc --all)
diff --git a/.gitignore b/.gitignore
@@ -24,3 +24,4 @@ bin/
 build
 node_modules
 CMakeSettings.json
+xcuserdata/
diff --git a/3rdparty/carotene/CMakeLists.txt b/3rdparty/carotene/CMakeLists.txt
@@ -27,7 +27,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
     endif()
 endif()
 
-add_library(carotene_objs OBJECT
+add_library(carotene_objs OBJECT EXCLUDE_FROM_ALL
   ${carotene_headers}
   ${carotene_sources}
 )
@@ -40,4 +40,5 @@ if(WITH_NEON)
     target_compile_definitions(carotene_objs PRIVATE "-DWITH_NEON")
 endif()
 
-add_library(carotene STATIC EXCLUDE_FROM_ALL "$<TARGET_OBJECTS:carotene_objs>")
+# we add dummy file to fix XCode build
+add_library(carotene STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} "$<TARGET_OBJECTS:carotene_objs>" "${CAROTENE_SOURCE_DIR}/dummy.cpp")
diff --git a/3rdparty/carotene/hal/CMakeLists.txt b/3rdparty/carotene/hal/CMakeLists.txt
@@ -82,7 +82,8 @@ set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS ${carotene_defs})
 #    set_source_files_properties(impl.cpp $<TARGET_OBJECTS:carotene_objs> COMPILE_FLAGS "--param ipcp-unit-growth=100000 --param inline-unit-growth=100000 --param large-stack-frame-growth=5000")
   endif()
 
-add_library(tegra_hal STATIC $<TARGET_OBJECTS:carotene_objs>)
+# we add dummy file to fix XCode build
+add_library(tegra_hal STATIC $<TARGET_OBJECTS:carotene_objs> "dummy.cpp")
 set_target_properties(tegra_hal PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH})
 set(OPENCV_SRC_DIR "${CMAKE_SOURCE_DIR}")
 if(NOT BUILD_SHARED_LIBS)

diff --git a/3rdparty/carotene/hal/dummy.cpp b/3rdparty/carotene/hal/dummy.cpp
@@ -0,0 +1,2 @@
+// This file is needed for compilation on some platforms e.g. with XCode generator
+// Related issue: https://gitlab.kitware.com/cmake/cmake/-/issues/17457
diff --git a/3rdparty/carotene/src/dummy.cpp b/3rdparty/carotene/src/dummy.cpp
@@ -0,0 +1,2 @@
+// This file is needed for compilation on some platforms e.g. with XCode generator
+// Related issue: https://gitlab.kitware.com/cmake/cmake/-/issues/17457
diff --git a/3rdparty/cpufeatures/CMakeLists.txt b/3rdparty/cpufeatures/CMakeLists.txt
@@ -14,7 +14,7 @@ if(NOT DEFINED CPUFEATURES_SOURCES)
 endif()
 
 include_directories(${CPUFEATURES_INCLUDE_DIRS})
-add_library(${OPENCV_CPUFEATURES_TARGET_NAME} STATIC ${CPUFEATURES_SOURCES})
+add_library(${OPENCV_CPUFEATURES_TARGET_NAME} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${CPUFEATURES_SOURCES})
 
 set_target_properties(${OPENCV_CPUFEATURES_TARGET_NAME}
   PROPERTIES OUTPUT_NAME cpufeatures
@@ -29,7 +29,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()
 
 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${OPENCV_CPUFEATURES_TARGET_NAME} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+  ocv_install_target(${OPENCV_CPUFEATURES_TARGET_NAME} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
 endif()
 
 ocv_install_3rdparty_licenses(cpufeatures LICENSE README.md)
diff --git a/3rdparty/ffmpeg/ffmpeg.cmake b/3rdparty/ffmpeg/ffmpeg.cmake
@@ -1,9 +1,9 @@
-# Binaries branch name: ffmpeg/master_20200311
-# Binaries were created for OpenCV: 850414a501d5e6dba111c92d73fdd05794c7061d
-ocv_update(FFMPEG_BINARIES_COMMIT "3d2e97081683265950316c65a52c2e8858ffba1b")
-ocv_update(FFMPEG_FILE_HASH_BIN32 "3b094c37d270a30f0b20a0bc8d3ecafb")
-ocv_update(FFMPEG_FILE_HASH_BIN64 "388ee23a7ca44eef2344e265fafd5940")
-ocv_update(FFMPEG_FILE_HASH_CMAKE "ad57c038ba34b868277ccbe6dd0f9602")
+# Binaries branch name: ffmpeg/master_20200908
+# Binaries were created for OpenCV: f445b826d084188077a5e9d204c4c33d1589f380
+ocv_update(FFMPEG_BINARIES_COMMIT "6152e132572dfdaa32887eabeb7199bef49b14dc")
+ocv_update(FFMPEG_FILE_HASH_BIN32 "37e2dadf776631acc8856e281f29cf42")
+ocv_update(FFMPEG_FILE_HASH_BIN64 "cf5dba83edf8619f57ccff4edb989c62")
+ocv_update(FFMPEG_FILE_HASH_CMAKE "f8e65dbe4a3b4eedc0d2997e07c3f3fd")
 
 function(download_win_ffmpeg script_var)
   set(${script_var} "" PARENT_SCOPE)

diff --git a/3rdparty/include/opencl/1.2/CL/cl_va_api_media_sharing_intel.h b/3rdparty/include/opencl/1.2/CL/cl_va_api_media_sharing_intel.h
@@ -0,0 +1,160 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2020 The Khronos Group Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+/*****************************************************************************\
+
+Copyright (c) 2013-2019 Intel Corporation All Rights Reserved.
+
+THESE MATERIALS ARE PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THESE
+MATERIALS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+File Name: cl_va_api_media_sharing_intel.h
+
+Abstract:
+
+Notes:
+
+\*****************************************************************************/
+
+
+#ifndef __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H
+#define __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H
+
+#include <CL/cl.h>
+#include <CL/cl_platform.h>
+#include <va/va.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/******************************************
+* cl_intel_va_api_media_sharing extension *
+*******************************************/
+
+#define cl_intel_va_api_media_sharing 1
+
+/* error codes */
+#define CL_INVALID_VA_API_MEDIA_ADAPTER_INTEL               -1098
+#define CL_INVALID_VA_API_MEDIA_SURFACE_INTEL               -1099
+#define CL_VA_API_MEDIA_SURFACE_ALREADY_ACQUIRED_INTEL      -1100
+#define CL_VA_API_MEDIA_SURFACE_NOT_ACQUIRED_INTEL          -1101
+
+/* cl_va_api_device_source_intel */
+#define CL_VA_API_DISPLAY_INTEL                             0x4094
+
+/* cl_va_api_device_set_intel */
+#define CL_PREFERRED_DEVICES_FOR_VA_API_INTEL               0x4095
+#define CL_ALL_DEVICES_FOR_VA_API_INTEL                     0x4096
+
+/* cl_context_info */
+#define CL_CONTEXT_VA_API_DISPLAY_INTEL                     0x4097
+
+/* cl_mem_info */
+#define CL_MEM_VA_API_MEDIA_SURFACE_INTEL                   0x4098
+
+/* cl_image_info */
+#define CL_IMAGE_VA_API_PLANE_INTEL                         0x4099
+
+/* cl_command_type */
+#define CL_COMMAND_ACQUIRE_VA_API_MEDIA_SURFACES_INTEL      0x409A
+#define CL_COMMAND_RELEASE_VA_API_MEDIA_SURFACES_INTEL      0x409B
+
+typedef cl_uint cl_va_api_device_source_intel;
+typedef cl_uint cl_va_api_device_set_intel;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clGetDeviceIDsFromVA_APIMediaAdapterINTEL(
+    cl_platform_id                platform,
+    cl_va_api_device_source_intel media_adapter_type,
+    void*                         media_adapter,
+    cl_va_api_device_set_intel    media_adapter_set,
+    cl_uint                       num_entries,
+    cl_device_id*                 devices,
+    cl_uint*                      num_devices) CL_EXT_SUFFIX__VERSION_1_2;
+
+typedef CL_API_ENTRY cl_int (CL_API_CALL * clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn)(
+    cl_platform_id                platform,
+    cl_va_api_device_source_intel media_adapter_type,
+    void*                         media_adapter,
+    cl_va_api_device_set_intel    media_adapter_set,
+    cl_uint                       num_entries,
+    cl_device_id*                 devices,
+    cl_uint*                      num_devices) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_mem CL_API_CALL
+clCreateFromVA_APIMediaSurfaceINTEL(
+    cl_context                    context,
+    cl_mem_flags                  flags,
+    VASurfaceID*                  surface,
+    cl_uint                       plane,
+    cl_int*                       errcode_ret) CL_EXT_SUFFIX__VERSION_1_2;
+
+typedef CL_API_ENTRY cl_mem (CL_API_CALL * clCreateFromVA_APIMediaSurfaceINTEL_fn)(
+    cl_context                    context,
+    cl_mem_flags                  flags,
+    VASurfaceID*                  surface,
+    cl_uint                       plane,
+    cl_int*                       errcode_ret) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueAcquireVA_APIMediaSurfacesINTEL(
+    cl_command_queue              command_queue,
+    cl_uint                       num_objects,
+    const cl_mem*                 mem_objects,
+    cl_uint                       num_events_in_wait_list,
+    const cl_event*               event_wait_list,
+    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
+
+typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn)(
+    cl_command_queue              command_queue,
+    cl_uint                       num_objects,
+    const cl_mem*                 mem_objects,
+    cl_uint                       num_events_in_wait_list,
+    const cl_event*               event_wait_list,
+    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
+
+extern CL_API_ENTRY cl_int CL_API_CALL
+clEnqueueReleaseVA_APIMediaSurfacesINTEL(
+    cl_command_queue              command_queue,
+    cl_uint                       num_objects,
+    const cl_mem*                 mem_objects,
+    cl_uint                       num_events_in_wait_list,
+    const cl_event*               event_wait_list,
+    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
+
+typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn)(
+    cl_command_queue              command_queue,
+    cl_uint                       num_objects,
+    const cl_mem*                 mem_objects,
+    cl_uint                       num_events_in_wait_list,
+    const cl_event*               event_wait_list,
+    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H */
+
diff --git a/3rdparty/ippicv/CMakeLists.txt b/3rdparty/ippicv/CMakeLists.txt
@@ -17,7 +17,7 @@ file(GLOB lib_hdrs ${IPP_IW_PATH}/include/*.h ${IPP_IW_PATH}/include/iw/*.h ${IP
 #         Define the library target:
 # ----------------------------------------------------------------------------------
 
-add_library(${IPP_IW_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})
+add_library(${IPP_IW_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs})
 
 if(UNIX)
   if(CV_GCC OR CV_CLANG OR CV_ICC)
@@ -41,5 +41,5 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()
 
 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${IPP_IW_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+  ocv_install_target(${IPP_IW_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
 endif()
diff --git a/3rdparty/ittnotify/CMakeLists.txt b/3rdparty/ittnotify/CMakeLists.txt
@@ -37,7 +37,7 @@ set(ITT_SRCS
     src/ittnotify/jitprofiling.c
 )
 
-add_library(${ITT_LIBRARY} STATIC ${ITT_SRCS} ${ITT_PUBLIC_HDRS} ${ITT_PRIVATE_HDRS})
+add_library(${ITT_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${ITT_SRCS} ${ITT_PUBLIC_HDRS} ${ITT_PRIVATE_HDRS})
 
 if(NOT WIN32)
   if(HAVE_DL_LIBRARY)
@@ -60,7 +60,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()
 
 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${ITT_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+  ocv_install_target(${ITT_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
 endif()
 
 ocv_install_3rdparty_licenses(ittnotify src/ittnotify/LICENSE.BSD src/ittnotify/LICENSE.GPL)
diff --git a/3rdparty/libjasper/CMakeLists.txt b/3rdparty/libjasper/CMakeLists.txt
@@ -17,7 +17,7 @@ file(GLOB lib_ext_hdrs jasper/*.h)
 #         Define the library target:
 # ----------------------------------------------------------------------------------
 
-add_library(${JASPER_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs} ${lib_ext_hdrs})
+add_library(${JASPER_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs} ${lib_ext_hdrs})
 
 if(WIN32 AND NOT MINGW)
   add_definitions(-DJAS_WIN_MSVC_BUILD)
@@ -46,7 +46,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()
 
 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${JASPER_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+  ocv_install_target(${JASPER_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
 endif()
 
 ocv_install_3rdparty_licenses(jasper LICENSE README copyright)
diff --git a/3rdparty/libjpeg-turbo/CMakeLists.txt b/3rdparty/libjpeg-turbo/CMakeLists.txt
@@ -4,9 +4,9 @@ ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-parameter -Wsign-compare -Wshorten-6
 
 set(VERSION_MAJOR 2)
 set(VERSION_MINOR 0)
-set(VERSION_REVISION 4)
+set(VERSION_REVISION 6)
 set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION})
-set(LIBJPEG_TURBO_VERSION_NUMBER 2000004)
+set(LIBJPEG_TURBO_VERSION_NUMBER 2000006)
 
 string(TIMESTAMP BUILD "opencv-${OPENCV_VERSION}-libjpeg-turbo")
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -65,6 +65,8 @@ set(JPEG_LIB_VERSION 62)
 # OpenCV
 set(JPEG_LIB_VERSION "${VERSION}-${JPEG_LIB_VERSION}" PARENT_SCOPE)
 
+set(THREAD_LOCAL "")  # WITH_TURBOJPEG is not used
+
 if(MSVC)
   add_definitions(-W3 -wd4996 -wd4018)
 endif()
@@ -104,7 +106,7 @@ set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c)
 
 ocv_list_add_prefix(JPEG_SOURCES src/)
 
-add_library(${JPEG_LIBRARY} STATIC ${JPEG_SOURCES} ${SIMD_OBJS})
+add_library(${JPEG_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${JPEG_SOURCES} ${SIMD_OBJS})
 
 set_target_properties(${JPEG_LIBRARY}
   PROPERTIES OUTPUT_NAME ${JPEG_LIBRARY}
@@ -119,7 +121,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()
 
 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
+  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
 endif()
 
 ocv_install_3rdparty_licenses(libjpeg-turbo README.md LICENSE.md README.ijg)
diff --git a/3rdparty/libjpeg-turbo/LICENSE.md b/3rdparty/libjpeg-turbo/LICENSE.md
@@ -91,7 +91,7 @@ best of our understanding.
 The Modified (3-clause) BSD License
 ===================================
 
-Copyright (C)2009-2019 D. R. Commander.  All Rights Reserved.
+Copyright (C)2009-2020 D. R. Commander.  All Rights Reserved.
 Copyright (C)2015 Viktor Szathmáry.  All Rights Reserved.
 
 Redistribution and use in source and binary forms, with or without
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		// This file is needed for compilation on some platforms e.g. with XCode generator
		// Related issue: https://gitlab.kitware.com/cmake/cmake/-/issues/17457