build: Add libcemuextend dependency

.gitmodules

@@ -25,3 +25,6 @@
 [submodule "dependencies/xbyak_aarch64"]
 	path = dependencies/xbyak_aarch64
 	url = https://github.com/fujitsu/xbyak_aarch64
+[submodule "dependencies/libcemuextend"]
+	path = dependencies/libcemuextend
+	url = ../libcemuextend.git

CMakeLists.txt

@@ -268,4 +268,6 @@ if (NOT ZArchive_FOUND)
 	add_subdirectory("dependencies/ZArchive" EXCLUDE_FROM_ALL)
 endif()
 
+add_subdirectory("dependencies/libcemuextend" EXCLUDE_FROM_ALL)
+
 add_subdirectory(src)

dependencies/libcemuextend

@@ -0,0 +1 @@
+Subproject commit 83729235e892ae93d7780eff2d46cfd55114dbe2

flake.lock

@@ -17,6 +17,23 @@
         "type": "github"
       }
     },
+    "libcemuextend-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1784098240,
+        "narHash": "sha256-fvXW5/AQDctX/20x4xDfYzsW5wnzNPlqT8sheP0vORI=",
+        "ref": "refs/heads/main",
+        "rev": "83729235e892ae93d7780eff2d46cfd55114dbe2",
+        "revCount": 6,
+        "type": "git",
+        "url": "https://github.com/fooly9858/libcemuextend.git"
+      },
+      "original": {
+        "rev": "83729235e892ae93d7780eff2d46cfd55114dbe2",
+        "type": "git",
+        "url": "https://github.com/fooly9858/libcemuextend.git"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1783856661,
@@ -36,6 +53,7 @@
     "root": {
       "inputs": {
         "imgui-src": "imgui-src",
+        "libcemuextend-src": "libcemuextend-src",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -11,6 +11,14 @@
       url = "github:ocornut/imgui/v1.91.3";
       flake = false;
     };
+
+    # Git flakes do not copy an initialized submodule worktree into the Nix
+    # source automatically. Fetch the public repository at the same immutable
+    # revision as the submodule so standalone/clean CemuExtend clones work.
+    libcemuextend-src = {
+      url = "git+https://github.com/fooly9858/libcemuextend.git?rev=83729235e892ae93d7780eff2d46cfd55114dbe2";
+      flake = false;
+    };
   };
 
   outputs =
@@ -18,6 +26,7 @@
       self,
       nixpkgs,
       imgui-src,
+      libcemuextend-src,
       ...
     }:
     let
@@ -38,6 +47,7 @@
           ./dependencies/DirectX_2010
           ./dependencies/gamemode
           ./dependencies/ih264d
+          (lib.fileset.maybeMissing ./dependencies/libcemuextend)
           ./dist
           ./src
         ];
@@ -126,9 +136,11 @@
         '';
 
         preConfigure = ''
-          rm -rf dependencies/imgui dependencies/Vulkan-Headers
+          rm -rf dependencies/imgui dependencies/Vulkan-Headers dependencies/libcemuextend
           ln -s ${imgui-src} dependencies/imgui
           ln -s ${pkgs.vulkan-headers} dependencies/Vulkan-Headers
+          cp -r ${libcemuextend-src} dependencies/libcemuextend
+          chmod -R u+w dependencies/libcemuextend
 
           substituteInPlace dependencies/gamemode/lib/gamemode_client.h \
             --replace-fail "libgamemode.so.0" \