From 6c1b666484ca99afdd1cda5a0c7b235028e499fa Mon Sep 17 00:00:00 2001
From: Eric Long <i@hack3r.moe>
Date: Sun, 12 Mar 2023 21:42:56 +0800
Subject: [PATCH] add `-march=rv64gc` for riscv64

---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9660f557..8c76dc80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,8 @@ ELSE()
   ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES 
           "(arm)|(ARM)|(armhf)|(ARMHF)|(armel)|(ARMEL)")
     add_definitions (-march=armv7-a)
+  ELSEIF (CMAKE_SYSTEM_PROCESSOR MATCHES "(riscv64)")
+    add_definitions (-march=rv64gc)
   ELSE ()
     add_definitions (-march=native) #TODO use correct c++11 def once everybody has moved to gcc 4.7 # for now I even removed std=gnu++0x
   ENDIF()