From 9d55c01d5c9cd8070ad88a3a8ea1aca86425b68e Mon Sep 17 00:00:00 2001
From: nk <nipunkumar@outlook.com>
Date: Sat, 8 Nov 2025 11:00:20 +0530
Subject: [PATCH] Fixed build for linux+vulkan when not using system vulkan SDK

---
 llama-cpp-sys-2/build.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/llama-cpp-sys-2/build.rs b/llama-cpp-sys-2/build.rs
index c189b718..1cea4a2c 100644
--- a/llama-cpp-sys-2/build.rs
+++ b/llama-cpp-sys-2/build.rs
@@ -658,6 +658,11 @@ fn main() {
                 config.cxxflag("/FS");
             }
             TargetOs::Linux => {
+                // If we are not using system provided vulkan SDK, add vulkan libs for linking
+                if let Ok(vulkan_path) = env::var("VULKAN_SDK") {
+                    let vulkan_lib_path = Path::new(&vulkan_path).join("lib");
+                    println!("cargo:rustc-link-search={}", vulkan_lib_path.display());
+                }
                 println!("cargo:rustc-link-lib=vulkan");
             }
             _ => (),