make entryPoint a header

flake.nix

@@ -18,32 +18,38 @@
             pkgs = import nixpkgs { inherit system; };
     in {
 
-        Archimedes = pkgs.stdenvNoCC.mkDerivation {
+        Archimedes = {
+            examples = {
+                minimal = pkgs.stdenvNoCC.mkDerivation {
 
-            name = "Archimedes";
+                    name = "Archimedes";
 
-            src = ./.;
+                    src = ./.;
 
-            nativeBuildInputs = with pkgs; [
-                clang
-            ];
+                    nativeBuildInputs = with pkgs; [
+                        clang
+                    ];
 
-            /*buildInputs = with pkgs; [
-            ];*/
+                    /*buildInputs = with pkgs; [
+                      ];*/
 
-            buildPhase = ''
-                clang++ \
-                src/*.cpp \
-                -I src -I include \
-                -Wall \
-                -o $name 
-            ''; 
+                    buildPhase = ''
+                        clang++ \
+                        src/*.cpp \
+                        example_apps/MinimalApp/MinimalApp.cpp \
+                        include/utils/App/*.cpp \
+                        -I src -I include \
+                        -Wall \
+                        -o $name 
+                    ''; 
 
-            installPhase = ''
-                mkdir -p $out/bin
-                cp $name $out/bin
-            '';
+                    installPhase = ''
+                        mkdir -p $out/bin
+                        cp $name $out/bin
+                    '';
 
+                };
+            };
         };
 
         TestMenu = pkgs.stdenvNoCC.mkDerivation {
@@ -85,10 +91,11 @@
             buildPhase = ''
                 clang++ \
                 modules/Print/src/*.cpp \
-                utils/App/App.cpp \
+                include/utils/App/App.cpp \
                 -fpic -shared \
                 -I src -I include \
                 -Wall \
+                -DGUIMODULE_H \
                 -o $name 
             '';