From 2aa5e1c71026699e9057cd6c0398f0fe14840711 Mon Sep 17 00:00:00 2001
From: Konstantinos Margaritis <konma@vectorcamp.gr>
Date: Wed, 20 Dec 2023 15:15:38 +0000
Subject: [PATCH] fix arch=native on arm+clang

---
 cmake/archdetect.cmake | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/cmake/archdetect.cmake b/cmake/archdetect.cmake
index 494269c2..2d64e5cf 100644
--- a/cmake/archdetect.cmake
+++ b/cmake/archdetect.cmake
@@ -68,8 +68,23 @@ if (USE_CPU_NATIVE)
     endif()
 else()
     if (SIMDE_BACKEND)
-        set(GNUCC_ARCH native)
-        set(TUNE_FLAG native)
+        if (CMAKE_COMPILER_IS_CLANG)
+            if(ARCH_AARCH64)
+                if (CMAKE_C_COMPILER_VERSION VERSION_LESS "15.0")
+                    set(GNUCC_ARCH native)
+                    set(TUNE_FLAG native)
+                else()
+                    set(GNUCC_ARCH armv8-a)
+                    set(TUNE_FLAG generic)
+                endif()
+            else()
+                set(GNUCC_ARCH native)
+                set(TUNE_FLAG native)
+            endif()
+        else()
+            set(GNUCC_ARCH native)
+            set(TUNE_FLAG native)
+        endif()
     elseif (ARCH_IA32 OR ARCH_X86_64)
         set(GNUCC_ARCH native)
         set(TUNE_FLAG generic)