From 9203338dacff1cc815194f70e80bc86dd59c52b8 Mon Sep 17 00:00:00 2001
From: Sreehari Anil <sreehari7102008@gmail.com>
Date: Thu, 17 Sep 2026 21:52:34 +0530
Subject: [PATCH] fix(flake): add llvm and set LIBCLANG_PATH

---
 flake.lock | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  |  6 ++++
 2 files changed, 88 insertions(+)
 create mode 100644 flake.lock

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..2febecc
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,82 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1789370336,
+        "narHash": "sha256-6RSEDHIWQtesQKWSu5qRai8L2h4KgCgMEfJHstW99G4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c7def046b9a883d46974757852106483d741586f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1789630063,
+        "narHash": "sha256-hulcXtNnQVDTPXiC8dQpTX3FPHxklIfX7Cx2kd2GDrM=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "a1d497a9415999853809ba22a7959b1c36dc6554",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index 7e5f6ec..36d3993 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,7 @@
         overlays = [ (import rust-overlay) ];
         pkgs = import nixpkgs { inherit system overlays; };
         rustToolchain = pkgs.rust-bin.stable.latest.default;
+        llvmPackages = pkgs.llvmPackages;
       in
       {
         packages = {
@@ -29,6 +30,7 @@
             nativeBuildInputs = [
               rustToolchain
               pkgs.pkg-config
+              llvmPackages.libclang
             ];
 
             buildInputs = [
@@ -40,6 +42,8 @@
             # Skip tests that require a Wayland compositor
             doCheck = false;
 
+            LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
+
             meta = with pkgs.lib; {
               description = "GPU-accelerated wallpaper engine for Wayland";
               homepage = "https://github.com/programmersd21/wallr";
@@ -60,8 +64,10 @@
             pkgs.rust-analyzer
             pkgs.clippy
             pkgs.rustfmt
+            llvmPackages.libclang
           ];
 
+          LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
           RUST_SRC_PATH = "${rustToolchain}/lib/rustlib/src/rust/library";
         };
       });