main()1 fn main() {
2     #[cfg(feature = "linked")]
3     {
4         use std::env;
5 
6         let target_family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap();
7         let target_pointer_width = env::var("CARGO_CFG_TARGET_POINTER_WIDTH").unwrap();
8 
9         println!("cargo:rerun-if-env-changed=VULKAN_SDK");
10         if let Ok(var) = env::var("VULKAN_SDK") {
11             let suffix = match (&*target_family, &*target_pointer_width) {
12                 ("windows", "32") => "Lib32",
13                 ("windows", "64") => "Lib",
14                 _ => "lib",
15             };
16             println!("cargo:rustc-link-search={var}/{suffix}");
17         }
18         let lib = match &*target_family {
19             "windows" => "vulkan-1",
20             _ => "vulkan",
21         };
22         println!("cargo:rustc-link-lib={lib}");
23     }
24 }
25