vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

platforms/linux/flags-aarch64.cmake

@@ -0,0 +1,22 @@
+# see https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html#index-march
+function(ocv_set_platform_flags VAR)
+  unset(flags)
+  if(ENABLE_SVE)
+   set(flags "${flags}+sve")
+  endif()
+  if(ENABLE_BF16)
+    set(flags "${flags}+bf16")
+  endif()
+  if(ENABLE_DOTPROD)
+    set(flags "${flags}+dotprod")
+  endif()
+  if(ENABLE_FP16)
+    set(flags "${flags}+fp16")
+  endif()
+  if(DEFINED ENABLE_NEON AND NOT ENABLE_NEON)
+    set(flags "${flags}+nosimd")
+  endif()
+  if(flags)
+    set(${VAR} "-march=armv8.2-a${flags}" PARENT_SCOPE)
+  endif()
+endfunction()