From 228d6a2969e4fcee573c9df7aad31550eab9c8d4 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Mon, 20 Nov 2023 13:37:44 +0000
Subject: [PATCH] build: Fix regression in "ARMv8 CRC32 intrinsics" test

The `vmull_p64` is a part of the Crypto extensions from the ACLE. They
are optional extensions, so they get enabled with a `+crypto` for
architecture flags.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 20992380d28bd..8305e5bffa3e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -579,7 +579,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 CXXFLAGS="$TEMP_CXXFLAGS"
 
 # ARM
-AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc], [ARM_CRC_CXXFLAGS="-march=armv8-a+crc"], [], [$CXXFLAG_WERROR])
+AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto], [ARM_CRC_CXXFLAGS="-march=armv8-a+crc+crypto"], [], [$CXXFLAG_WERROR])
 AX_CHECK_COMPILE_FLAG([-march=armv8-a+crypto], [ARM_SHANI_CXXFLAGS="-march=armv8-a+crypto"], [], [$CXXFLAG_WERROR])
 
 TEMP_CXXFLAGS="$CXXFLAGS"