commit 08933d3dbb2bca0cd2feda97ecd36b9cb8f58c50
author Jerry Yu <jerry.h.yu@arm.com> Thu Apr 27 18:28:00 2023 +0800
committer Jerry Yu <jerry.h.yu@arm.com> Thu Jul 13 10:40:08 2023 +0800
tree b1e130dfbe234a123b2118b12992a56ff9e1558b
parent 3c22366695ade34abb58df30caa5abdc0fa890b9

fix compile fail for armclang

when target flags are not set at command line, armclang
will reports required feature not set error.

This is found and verified at 6.20.1. And it does not work
for 6.6

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>

library/sha256.c

diff --git a/library/sha256.c b/library/sha256.c
index 169229c..ae1b35c 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -57,15 +57,18 @@
 #include "mbedtls/platform.h"
 
 #if defined(__aarch64__)
+
 #  if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) || \
     defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
+
 /* *INDENT-OFF* */
+#    include <arm_neon.h>
 #    if !defined(__ARM_FEATURE_CRYPTO) || defined(MBEDTLS_ENABLE_ARM_CRYPTO_EXTENSIONS_COMPILER_FLAG)
 #      if defined(__clang__)
 #        if __clang_major__ < 4
 #          error "A more recent Clang is required for MBEDTLS_SHA256_USE_A64_CRYPTO_*"
 #        endif
-#        pragma clang attribute push (__attribute__((target("crypto"))), apply_to=function)
+#        pragma clang attribute push (__attribute__((target("crypto,sha2"))), apply_to=function)
 #        define MBEDTLS_POP_TARGET_PRAGMA
 #      elif defined(__GNUC__)
          /* FIXME: GCC 5 claims to support Armv8 Crypto Extensions, but some
@@ -83,7 +86,7 @@
 #      endif
 #    endif
 /* *INDENT-ON* */
-#    include <arm_neon.h>
+
 #  endif
 #  if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT)
 #    if defined(__unix__)