diff --git a/.gitignore b/.gitignore
index 1098acc..72be43c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,5 +5,5 @@ main
 plot
 out.yaml
 .ccls-cache
-.xmake/
+.cache
 build/
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..0dea36f
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.14)
+project(ufo VERSION 0.0.0 LANGUAGES CXX)
+enable_testing()
+include(GNUInstallDirs)
+
+set_property(GLOBAL PROPERTY CXX_STANDARD 23)
+set_property(GLOBAL PROPERTY CXX_STANDARD_REQUIRED ON)
+set_property(GLOBAL PROPERTY CXX_EXTENSIONS OFF)
+
+find_package(yaml-cpp REQUIRED)
+find_package(Eigen3 REQUIRED)
+find_package(fmt REQUIRED)
+find_package(concurrencpp REQUIRED)
+find_package(HighFive REQUIRED)
+find_package(TBB REQUIRED)
+find_package(Matplot++ REQUIRED)
+find_path(ZPP_BITS_INCLUDE_DIR zpp_bits.h REQUIRED)
+
+add_executable(ufo src/ufo.cpp)
+target_include_directories(ufo PRIVATE ${PROJECT_SOURCE_DIR}/include ${ZPP_BITS_INCLUDE_DIR})
+target_link_libraries(ufo PRIVATE
+  yaml-cpp Eigen3::Eigen fmt::fmt concurrencpp::concurrencpp HighFive_HighFive TBB::tbb Matplot++::matplot)
+
+get_property(ImportedTargets DIRECTORY "${CMAKE_SOURCE_DIR}" PROPERTY IMPORTED_TARGETS)
+message("Imported targets: ${ImportedTargets}")
+message("List of compile features: ${CMAKE_CXX_COMPILE_FEATURES}")
diff --git a/flake.lock b/flake.lock
index a62e708..76e2f3f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -807,11 +807,11 @@
         "touchix": "touchix"
       },
       "locked": {
-        "lastModified": 1695648380,
-        "narHash": "sha256-8zQct7OdcAtzwsvyPy07wImEtO6v0Rz//grrDtol+Jo=",
+        "lastModified": 1695703232,
+        "narHash": "sha256-JqKKV5Zh3r4SAmK1Y0WdZaN5chRuaWRxw5hv9YPCRlQ=",
         "owner": "CHN-beta",
         "repo": "nixos",
-        "rev": "e21c7a916a66de6894c3e785a3a0d5f621458272",
+        "rev": "6318b938c2b3742874982d5d1a338656a50e493b",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index eb57543..2b1932a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -5,20 +5,17 @@
   outputs = inputs:
     let
       pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
-      localPackages = inputs.nixos.nixosConfigurations.pc.pkgs.localPackages;
+      localPackages = import "${inputs.nixos}/local/pkgs" { inherit pkgs; inherit (inputs.nixpkgs) lib; };
     in
     {
-      devShell.x86_64-linux = pkgs.mkShell.override { stdenv = pkgs.stdenvNoCC; }
+      devShell.x86_64-linux = pkgs.mkShell.override { stdenv = pkgs.gcc13Stdenv; }
       {
-        packages = with pkgs; [ xmake gcc13 pkg-config cmake ];
-        inputsFrom = with pkgs;
+        packages = with pkgs; [ pkg-config cmake ninja ];
+        buildInputs = with pkgs;
         [
-          yaml-cpp eigen fmt localPackages.concurrencpp highfive
-          hdf5.dev tbb_2021_8.dev localPackages.matplotplusplus
+          yaml-cpp eigen fmt localPackages.concurrencpp highfive tbb_2021_8.dev localPackages.matplotplusplus
           localPackages.zpp-bits
         ];
-        PKG_CONFIG_PATH = "${pkgs.tbb_2021_8.dev}/lib/pkgconfig:${pkgs.yaml-cpp}/share/pkgconfig";
-        yaml-cpp_DIR = "${pkgs.yaml-cpp}/share/cmake/yaml-cpp";
         hardeningDisable = [ "all" ];
         NIX_DEBUG = "1";
       };
diff --git a/test.cpp b/test.cpp
new file mode 100644
index 0000000..9a5d3e6
--- /dev/null
+++ b/test.cpp
@@ -0,0 +1,26 @@
+# include <eigen3/Eigen/Dense>
+# include <zpp_bits.h>
+# include <span>
+# include <iostream>
+
+namespace Eigen
+{
+  constexpr auto serialize(auto & archive, Eigen::Matrix3d& matrix)
+  {
+    return archive(std::span<double, 9>(matrix.data(), 9));
+  }
+  constexpr auto serialize(auto & archive, const Eigen::Matrix3d& matrix)
+  {
+    return archive(std::span<const double, 9>(matrix.data(), 9));
+  }
+}
+
+int main()
+{
+  auto [data, in, out] = zpp::bits::data_in_out();
+  Eigen::Matrix3d PrimativeCell = Eigen::Matrix3d::Identity();
+  out(PrimativeCell);
+  Eigen::Matrix3d PrimativeCell2;
+  in(PrimativeCell2);
+  std::cout << PrimativeCell2 << std::endl;
+}
\ No newline at end of file