From 2ff7922b0f5f6833c81933efed785290b4931d38 Mon Sep 17 00:00:00 2001
From: William Sackfield <will.sackfield@gmail.com>
Date: Sat, 6 Nov 2021 07:28:15 +1100
Subject: [PATCH] Only add the arch native flag on x86

* Apple devices with M1 chips do not support -march=native
---
 CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a93e06f4e..a8003677c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,10 @@ set (fasttext_VERSION_MINOR 1)
 
 include_directories(fasttext)
 
-set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3 -march=native")
+set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3")
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(AMD64|amd64)|(^i.86$)")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
+endif ()
 
 set(HEADER_FILES
     src/args.h