From a659555781a98db1c7aa8feb3a9d60d473e0000b Mon Sep 17 00:00:00 2001
From: Konstantinos Margaritis <konstantinos@vectorcamp.gr>
Date: Tue, 10 Oct 2023 18:30:12 +0800
Subject: [PATCH] Ubuntu 20.04 gcc does not define HWCAP2_SVE2 #180

---
 src/util/arch/arm/cpuid_inline.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/util/arch/arm/cpuid_inline.h b/src/util/arch/arm/cpuid_inline.h
index 03faf41c..f8a59af3 100644
--- a/src/util/arch/arm/cpuid_inline.h
+++ b/src/util/arch/arm/cpuid_inline.h
@@ -32,6 +32,11 @@
 
 #if defined(__linux__)
 #include <sys/auxv.h>
+/* This is to help fix https://github.com/envoyproxy/envoy/pull/29881
+ */
+#if !defined(HWCAP2_SVE2)
+#include <asm/hwcap.h>
+#endif
 #endif
 
 #include "ue2common.h"