From abf2fec8268080e29913c88ff83235c674c25cd6 Mon Sep 17 00:00:00 2001
From: Izel Nakri <contact@izelnakri.com>
Date: Sun, 10 Aug 2025 08:03:08 +0200
Subject: [PATCH] level-zero: add setup-hook for Intel OpenGL driver lookups

The Level Zero package requires /run/opengl-driver/lib and
/run/opengl-driver-32/lib
to be in LD_LIBRARY_PATH for the Intel GPU driver to function correctly.

This change adds a setup-hook that prepends these paths if they exist,
ensuring runtime linker can find the necessary driver libraries in
NixOS and other Linux systems without manual environment modifications.
---
 pkgs/by-name/le/level-zero/package.nix   | 2 ++
 pkgs/by-name/le/level-zero/setup-hook.sh | 7 +++++++
 2 files changed, 9 insertions(+)
 create mode 100644 pkgs/by-name/le/level-zero/setup-hook.sh

diff --git a/pkgs/by-name/le/level-zero/package.nix b/pkgs/by-name/le/level-zero/package.nix
index 1637b1bd1d68..cba1ef9cc53b 100644
--- a/pkgs/by-name/le/level-zero/package.nix
+++ b/pkgs/by-name/le/level-zero/package.nix
@@ -29,6 +29,8 @@ stdenv.mkDerivation rec {
     addDriverRunpath $out/lib/libze_loader.so
   '';
 
+  setupHook = ./setup-hook.sh;
+
   passthru = {
     tests = {
       inherit intel-compute-runtime openvino;
diff --git a/pkgs/by-name/le/level-zero/setup-hook.sh b/pkgs/by-name/le/level-zero/setup-hook.sh
new file mode 100644
index 000000000000..be0a59a05376
--- /dev/null
+++ b/pkgs/by-name/le/level-zero/setup-hook.sh
@@ -0,0 +1,7 @@
+if [ -d /run/opengl-driver/lib ]; then
+  export LD_LIBRARY_PATH="/run/opengl-driver/lib${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH:-}"
+fi
+
+if [ -d /run/opengl-driver-32/lib ]; then
+  export LD_LIBRARY_PATH="/run/opengl-driver-32/lib${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH:-}"
+fi