godot_4-mono: fix build on aarch64 (#355322)

pkgs/by-name/go/godot_4/package.nix

@@ -26,6 +26,7 @@
   scons,
   speechd-minimal,
   stdenv,
+  testers,
   udev,
   vulkan-loader,
   wayland,
@@ -56,7 +57,9 @@ let
 
   suffix = if withMono then "-mono" else "";
 
-  attrs = rec {
+  arch = stdenv.hostPlatform.linuxArch;
+
+  attrs = finalAttrs: rec {
     pname = "godot4${suffix}";
     version = "4.3-stable";
     commitHash = "77dcf97d82cbfe4e4615475fa52ca03da645dbd8";
@@ -149,9 +152,9 @@ let
     postBuild = lib.optionalString withMono ''
       echo "Generating Glue"
       if [[ ${withPrecision} == *double* ]]; then
-          bin/godot.${withPlatform}.${withTarget}.${withPrecision}.x86_64.mono --headless --generate-mono-glue modules/mono/glue
+          bin/godot.${withPlatform}.${withTarget}.${withPrecision}.${arch}.mono --headless --generate-mono-glue modules/mono/glue
       else
-          bin/godot.${withPlatform}.${withTarget}.x86_64.mono --headless --generate-mono-glue modules/mono/glue
+          bin/godot.${withPlatform}.${withTarget}.${arch}.mono --headless --generate-mono-glue modules/mono/glue
       fi
       echo "Building C#/.NET Assemblies"
       python modules/mono/build_scripts/build_assemblies.py --godot-output-dir bin --precision=${withPrecision}
@@ -221,6 +224,18 @@ let
         runHook postInstall
       '';
 
+    passthru.tests = {
+      version = testers.testVersion {
+        package = finalAttrs.finalPackage;
+        version = lib.replaceStrings [ "-" ] [ "." ] version;
+      };
+    };
+
+    requiredSystemFeatures = [
+      # fixes: No space left on device
+      "big-parallel"
+    ];
+
     meta = {
       changelog = "https://github.com/godotengine/godot/releases/tag/${version}";
       description = "Free and Open Source 2D and 3D game engine";
@@ -240,7 +255,6 @@ let
 
 in
 stdenv.mkDerivation (
-  finalAttrs:
   if withMono then
     dotnetCorePackages.addNuGetDeps {
       nugetDeps = ./deps.nix;
@@ -250,7 +264,7 @@ stdenv.mkDerivation (
           old.buildInputs
           ++ lib.concatLists (lib.attrValues (lib.getAttrs runtimeIds dotnet-sdk_8.targetPackages));
       };
-    } attrs finalAttrs
+    } attrs
   else
     attrs
 )