From 97f7722f2c3570842709ffef5aab5e632ff4002c Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Wed, 13 Sep 2023 18:56:14 +0200
Subject: [PATCH] autoconf: improve check for ARM crypto extensions

And don't forget to include <arm_neon.h> for the second
attempt.
---
 configure    | 4 ++++
 configure.ac | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/configure b/configure
index b3210f72..6d0f176d 100755
--- a/configure
+++ b/configure
@@ -18581,6 +18581,7 @@ main (void)
 {
 
       vaeseq_u8(vmovq_n_u8(0), vmovq_n_u8(0));
+      vmull_high_p64(vmovq_n_u8(0), vmovq_n_u8(0));
 
       #ifdef __clang__
       #  pragma clang attribute pop
@@ -18657,11 +18658,14 @@ printf %s "checking for ARM crypto instructions set with -march=armv8-a+crypto+a
             #  define __ARM_FEATURE_AES 1
             #endif
 
+            #include <arm_neon.h>
+
 int
 main (void)
 {
 
             vaeseq_u8(vmovq_n_u8(0), vmovq_n_u8(0));
+            vmull_high_p64(vmovq_n_u8(0), vmovq_n_u8(0));
 
             #ifdef __clang__
             #  pragma clang attribute pop
diff --git a/configure.ac b/configure.ac
index df83ef51..7b6250b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -413,6 +413,7 @@ AS_IF([test "x$EMSCRIPTEN" = "x"], [
       #include <arm_neon.h>
     ]], [[
       vaeseq_u8(vmovq_n_u8(0), vmovq_n_u8(0));
+      vmull_high_p64(vmovq_n_u8(0), vmovq_n_u8(0));
 
       #ifdef __clang__
       #  pragma clang attribute pop
@@ -441,8 +442,11 @@ AS_IF([test "x$EMSCRIPTEN" = "x"], [
             #ifndef __ARM_FEATURE_AES
             #  define __ARM_FEATURE_AES 1
             #endif
+
+            #include <arm_neon.h>
           ]], [[
             vaeseq_u8(vmovq_n_u8(0), vmovq_n_u8(0));
+            vmull_high_p64(vmovq_n_u8(0), vmovq_n_u8(0));
 
             #ifdef __clang__
             #  pragma clang attribute pop