From 383cbf42a03f4aebf8184f3e340db5bb05748e0f Mon Sep 17 00:00:00 2001
From: Jerry Yu <jerry.h.yu@arm.com>
Date: Thu, 16 Feb 2023 15:16:43 +0800
Subject: [PATCH] Add minimum version of sha256 for clang

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
---
 library/sha256.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/library/sha256.c b/library/sha256.c
index bf9af6b5a9..d5be7aa19c 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -40,7 +40,9 @@
 /* *INDENT-OFF* */
 #    if !defined(__ARM_FEATURE_CRYPTO)
 #      if defined(__clang__)
-#        if __clang_major__ < 18
+#        if __clang_major__ < 4
+#          error "A more recent Clang is required for MBEDTLS_SHA256_USE_A64_CRYPTO_*"
+#        elif __clang_major__ < 18
            /* TODO: Re-consider above after https://reviews.llvm.org/D131064
             *       merged.
             *