vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

hal/kleidicv/CMakeLists.txt

@@ -0,0 +1,12 @@
+project(kleidicv_hal)
+
+if(HAVE_KLEIDICV)
+  option(KLEIDICV_ENABLE_SME2 "" OFF) # not compatible with some CLang versions in NDK
+  option(KLEIDICV_USE_CV_NAMESPACE_IN_OPENCV_HAL "" OFF)
+  include("${KLEIDICV_SOURCE_PATH}/adapters/opencv/CMakeLists.txt")
+  # HACK to suppress adapters/opencv/kleidicv_hal.cpp:343:12: warning: unused function 'from_opencv' [-Wunused-function]
+  target_compile_options( kleidicv_hal PRIVATE
+      $<TARGET_PROPERTY:kleidicv,COMPILE_OPTIONS>
+      "-Wno-old-style-cast" "-Wno-unused-function"
+  )
+endif()

hal/kleidicv/kleidicv.cmake

@@ -0,0 +1,21 @@
+function(download_kleidicv root_var)
+  set(${root_var} "" PARENT_SCOPE)
+
+  ocv_update(KLEIDICV_SRC_COMMIT "26.03")
+  ocv_update(KLEIDICV_SRC_HASH "b85a745bfe0e87e67e30be9533eb6b24")
+
+  set(THE_ROOT "${OpenCV_BINARY_DIR}/3rdparty/kleidicv")
+  ocv_download(FILENAME "kleidicv-${KLEIDICV_SRC_COMMIT}.tar.gz"
+                HASH ${KLEIDICV_SRC_HASH}
+                URL
+                  "${OPENCV_KLEIDICV_URL}"
+                  "$ENV{OPENCV_KLEIDICV_URL}"
+                  "https://gitlab.arm.com/kleidi/kleidicv/-/archive/${KLEIDICV_SRC_COMMIT}/"
+                DESTINATION_DIR ${THE_ROOT}
+                ID KLEIDICV
+                STATUS res
+                UNPACK RELATIVE_URL)
+  if(res)
+    set(${root_var} "${OpenCV_BINARY_DIR}/3rdparty/kleidicv/kleidicv-${KLEIDICV_SRC_COMMIT}" PARENT_SCOPE)
+  endif()
+endfunction()