From 4cd9ac900c18b1a22502d455e45582161f4fce04 Mon Sep 17 00:00:00 2001
From: g2px1 <kir1kir1@yandex.ru>
Date: Fri, 2 May 2025 12:53:20 +0300
Subject: [PATCH] fix building on ubuntu

---
 CMakeLists.txt         | 2 +-
 UnorderedParallelMap.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 415d76a..8847596 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.30)
+cmake_minimum_required(VERSION 3.20..3.30)
 project(parallelUnorderedMap)
 
 set(CMAKE_CXX_STANDARD 20)
diff --git a/UnorderedParallelMap.h b/UnorderedParallelMap.h
index 260bf27..cdb732f 100644
--- a/UnorderedParallelMap.h
+++ b/UnorderedParallelMap.h
@@ -4,6 +4,7 @@
 #include <vector>
 #include <optional>
 #include <shared_mutex>
+#include <mutex>
 #include <atomic>
 #include <functional>
 #include <cstdint>