From 11ad7b3061c588f77bde3855fb70ac462ec83357 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Igor=20Podgain=C3=B5i?= <igor.podgainoi@arm.com>
Date: Thu, 9 May 2024 15:01:24 +0200
Subject: [PATCH] Make sure only Clang 19 or newer enables SME2

---
 kleidicv/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kleidicv/CMakeLists.txt b/kleidicv/CMakeLists.txt
index 987e61c96..ddeb924c7 100644
--- a/kleidicv/CMakeLists.txt
+++ b/kleidicv/CMakeLists.txt
@@ -40,8 +40,8 @@ endif()
 # Compiler feature check for SME2.
 set(KLEIDICV_BUILD_SME2 OFF)
 if (KLEIDICV_ENABLE_SME2)
-  # Assuming clang
-  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18)
+  # Assuming only clang >= 19 supports SME2
+  if ((NOT CMAKE_CXX_COMPILER_ID MATCHES ".*Clang") OR CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19)
     set(KLEIDICV_COMPILER_SUPPORTS_SME2 OFF)
   else()
     check_cxx_compiler_flag("-march=armv9-a+sme2" KLEIDICV_COMPILER_SUPPORTS_SME2)
-- 
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