From 9cc0098ce2886644e37ccf044e05940485cd3f83 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 10 Nov 2021 22:27:14 +0100
Subject: [PATCH] Fix potentially wrong HOSTARCH definition in
 cross-compilation

---
 Makefile.system | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Makefile.system b/Makefile.system
index a97cca70c..16e8fcbd6 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -9,11 +9,10 @@ ifndef TOPDIR
 TOPDIR = . 
 endif
 
- # If ARCH is not set, we use the host system's architecture for getarch compile options.
-ifndef ARCH
+# we need to use the host system's architecture for getarch compile options even especially when cross-compiling
 HOSTARCH := $(shell uname -m)
-else
-HOSTARCH = $(ARCH)
+ifeq ($(HOSTARCH), amd64)
+HOSTARCH=x86_64
 endif
 
 HAVE_GAS := $(shell as -v < /dev/null 2>&1 | grep GNU 2>&1 >/dev/null)