From 83c124db41455f8317d229a78f059289646aa51b Mon Sep 17 00:00:00 2001
From: cjee21 <77721854+cjee21@users.noreply.github.com>
Date: Mon, 9 Mar 2026 18:52:15 +0800
Subject: [PATCH] CMake: Prefer C++20 but minimum C++11

---
 .github/workflows/ZenLib_Checks.yml | 2 +-
 Project/CMake/CMakeLists.txt        | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ZenLib_Checks.yml b/.github/workflows/ZenLib_Checks.yml
index 499b599..b9d6b02 100644
--- a/.github/workflows/ZenLib_Checks.yml
+++ b/.github/workflows/ZenLib_Checks.yml
@@ -62,7 +62,7 @@ jobs:
       matrix:
         include:
           - runner: windows-latest
-            CXXFLAGS: "/std:c++20 /WX /MP"
+            CXXFLAGS: "/WX"
           - runner: ubuntu-latest
             CXXFLAGS: "-Werror"
           - runner: macos-latest
diff --git a/Project/CMake/CMakeLists.txt b/Project/CMake/CMakeLists.txt
index 9068eb8..d4c98c8 100644
--- a/Project/CMake/CMakeLists.txt
+++ b/Project/CMake/CMakeLists.txt
@@ -166,10 +166,11 @@ set_target_properties(zen PROPERTIES
   VERSION ${ZenLib_VERSION}
   SOVERSION ${ZenLib_MAJOR_VERSION}
   PUBLIC_HEADER "${ZenLib_HDRS}"
-  CXX_STANDARD 11
+  CXX_STANDARD 20
   CXX_EXTENSIONS NO
-  CXX_STANDARD_REQUIRED YES
+  CXX_STANDARD_REQUIRED NO
   )
+target_compile_features(zen PRIVATE cxx_std_11)
 
 install(TARGETS zen EXPORT zen-export
   PUBLIC_HEADER DESTINATION ${INCLUDE_INSTALL_DIR}/ZenLib