mangohud: move loader header deps to nativeBuildInputs

pkgs/tools/graphics/mangohud/default.nix

@@ -11,7 +11,6 @@
 , xdg-utils
 , dbus
 , hwdata
-, libX11
 , mangohud32
 , appstream
 , glslang
@@ -22,8 +21,9 @@
 , pkg-config
 , unzip
 , libXNVCtrl
-, spdlog
 , wayland
+, libX11
+, spdlog
 , glew
 , glfw
 , nlohmann_json
@@ -102,7 +102,7 @@ stdenv.mkDerivation (finalAttrs: {
       ];
 
       libdbus = dbus.lib;
-      inherit hwdata libX11;
+      inherit hwdata;
     })
   ] ++ lib.optionals (stdenv.hostPlatform.system == "x86_64-linux") [
     # Support 32bit OpenGL applications by appending the mangohud32
@@ -142,14 +142,17 @@ stdenv.mkDerivation (finalAttrs: {
     ninja
     pkg-config
     unzip
+
+    # Only the headers are used from these packages
+    # The corresponding libraries are loaded at runtime from the app's runpath
+    libXNVCtrl
+    wayland
+    libX11
   ];
 
   buildInputs = [
     dbus
-    libX11
-    libXNVCtrl
     spdlog
-    wayland
   ] ++ lib.optionals gamescopeSupport [
     glew
     glfw

pkgs/tools/graphics/mangohud/hardcode-dependencies.patch

@@ -11,16 +11,6 @@ index 3b3cccb..1405725 100644
          SPDLOG_ERROR("Could not load libdbus-1.so.3");
          return false;
      }
-diff --git a/src/loaders/loader_x11.cpp b/src/loaders/loader_x11.cpp
-index 4db6f78..c60d08c 100644
---- a/src/loaders/loader_x11.cpp
-+++ b/src/loaders/loader_x11.cpp
-@@ -89,4 +89,4 @@ void libx11_loader::CleanUp(bool unload) {
- 
- }
- 
--std::shared_ptr<libx11_loader> g_x11(new libx11_loader("libX11.so.6"));
-+std::shared_ptr<libx11_loader> g_x11(new libx11_loader("@libX11@/lib/libX11.so.6"));
 diff --git a/src/logging.cpp b/src/logging.cpp
 index 1668226..f0c8df5 100644
 --- a/src/logging.cpp