From 025a1b2c7b02c9984c331fde39eb27e492aeb8e1 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Mon, 15 Jan 2024 22:40:21 +0100
Subject: [PATCH] Only use mtune=native when not cross-compiling

---
 Makefile.arm64 | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/Makefile.arm64 b/Makefile.arm64
index 1b10446f7..ed52a9424 100644
--- a/Makefile.arm64
+++ b/Makefile.arm64
@@ -104,9 +104,15 @@ ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.4-a -mtune=neoverse-v1
 endif
 else
-CCOMMON_OPT += -march=armv8.4-a+sve -mtune=native
+CCOMMON_OPT += -march=armv8.4-a+sve 
+ifneq ($(CROSS), 1)
+CCOMMON_OPT += -mtune=native
+endif
 ifneq ($(F_COMPILER), NAG)
-FCOMMON_OPT += -march=armv8.4-a -mtune=native
+FCOMMON_OPT += -march=armv8.4-a 
+ifneq ($(CROSS), 1)
+FCOMMON_OPT += -mtune=native
+endif
 endif
 endif
 else
@@ -138,9 +144,15 @@ ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2
 endif
 else
-CCOMMON_OPT += -march=armv8.5-a+sve -mtune=native
+CCOMMON_OPT += -march=armv8.5-a+sve
+ifneq ($(CROSS), 1)
+CCOMMON_OPT += -mtune=native
+endif
 ifneq ($(F_COMPILER), NAG)
-FCOMMON_OPT += -march=armv8.5-a -mtune=native
+FCOMMON_OPT += -march=armv8.5-a 
+ifneq ($(CROSS), 1)
+FCOMMON_OPT += -mtune=native
+endif
 endif
 endif
 else