From 544686feb10b924587aa0059bbcc351988085131 Mon Sep 17 00:00:00 2001
From: Jack Huang <1205867620@qq.com>
Date: Wed, 14 Jan 2026 22:11:58 +0800
Subject: [PATCH] Add RISC-V64 architecture support in Makefile (#948)

---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index d98d73b..f9a2b15 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,11 @@ ifneq ($(filter ppc64%, $(shell uname -m)), )
 	OPTFLAGS =
 endif
 
+# RISC-V64 doesn't support -march=native
+ifeq ($(shell uname -m), riscv64)
+	OPTFLAGS =
+endif
+
 # For auto-vectorization:
 # - GCC (needs -ftree-vectorize OR -O3) - https://gcc.gnu.org/projects/tree-ssa/vectorization.html
 # - Clang (could use pragma instead) - https://llvm.org/docs/Vectorizers.html