https://github.com/google/highway/commit/f3a33e8204b69f9e21b5fbd8036c11128cec0d2e.patch
https://github.com/google/highway/issues/1199

https://bugs.gentoo.org/900352

From f3a33e8204b69f9e21b5fbd8036c11128cec0d2e Mon Sep 17 00:00:00 2001
From: Jan Wassenberg <janwas@google.com>
Date: Tue, 7 Mar 2023 22:59:17 -0800
Subject: [PATCH] fix arm7 NEON detect, thanks @stefson. Fixes #1199

PiperOrigin-RevId: 514940076
---
 hwy/targets.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hwy/targets.cc b/hwy/targets.cc
index dc4217c..24fcaf7 100644
--- a/hwy/targets.cc
+++ b/hwy/targets.cc
@@ -43,6 +43,9 @@
 #endif  // HWY_COMPILER_MSVC
 
 #elif HWY_ARCH_ARM && HWY_OS_LINUX && !defined(TOOLCHAIN_MISS_SYS_AUXV_H)
+// sys/auxv.h does not always include asm/hwcap.h, or define HWCAP*, hence we
+// still include this directly. See #1199.
+#include <asm/hwcap.h>
 #include <sys/auxv.h>
 #endif  // HWY_ARCH_*