From 18911743710e933e6fd8d8dd8c9ad8808aa11b83 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Thu, 29 Jan 2026 01:57:27 +0800
Subject: Fixed Windows build.

---
 CMakeLists.txt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5aa3263..4ec45f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,10 @@
 cmake_minimum_required(VERSION 3.10)
 project(yue CXX)
 
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
 set(LUA_LIBDIR ${LUA_INCDIR}/../lib ${LUA_INCDIR}/../../lib)
 set(LUA_INCLUDE_DIR "${LUA_INCDIR}")
 
@@ -66,7 +70,11 @@ message(STATUS "Lua library: ${LUA_LIBRARIES}")
 
 enable_language(C CXX)
 include_directories(src src/3rdParty ${LUA_INCLUDE_DIR})
-add_definitions(-std=c++17 -O3 -fPIC -DYUE_UTF8_IMPL)
+if (MSVC)
+	add_definitions(/O2 /DYUE_UTF8_IMPL)
+else ()
+	add_definitions(-O3 -fPIC -DYUE_UTF8_IMPL)
+endif ()
 
 # Detect Android Termux environment
 # Termux typically has ANDROID_ROOT environment variable set and PREFIX points to Termux directory
-- 
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