corrected configure script

configure.sh

@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-cmake -S . -B build -DACADOS_CPP_BUILD_TESTS=ON CMAKE_EXPORT_COMPILE_COMMANDS=ON
+cmake -S . -B build -DACADOS_CPP_BUILD_TESTS=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON

flake.nix

@@ -0,0 +1,50 @@
+{
+  description = "C++ wrapper for ACADOS.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+
+    # acados.url = "github:adrian-kriegel/acados-nix";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      pkgs = import nixpkgs { system = "x86_64-linux"; };
+    in {
+      packages.x86_64-linux.acados-cpp = pkgs.stdenv.mkDerivation rec {
+        pname = "acados-cpp";
+        version = "0.1.0";
+
+        src = ./.;
+
+        # Intentionally not adding ACADOS as a dependency. ACADOSCpp is header-only 
+        # so nothing links to ACADOS and no build step is required.
+        # Users can just use their own ACADOS installation.
+        buildInputs = [];
+
+        nativeBuildInputs = [];
+
+        installPhase = ''
+          mkdir -p $out/include
+          cp -r ${src}/include/* $out/include
+          
+          mkdir -p $out/lib/cmake/${pname}
+          cp ${src}/cmake/* $out/lib/cmake/${pname}
+        '';
+
+        meta = with pkgs.lib; {
+          description = "C++ wrapper for ACADOS.";
+          homepage = "https://github.com/adrian-kriegel/ACADOSCpp";
+          license = licenses.mit;
+          maintainers = [ maintainers.adrian-kriegel ];
+        };
+      };
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        buildInputs = [
+          pkgs.cmake
+          # Only adding acados in the dev shell.
+          # import acados { inherit pkgs; }
+        ];
+      };
+    };
+}