1use std::env;
2
3fn main() {
4 let target_os: Result = env::var(key:"CARGO_CFG_TARGET_OS");
5 let target_env: Result = env::var(key:"CARGO_CFG_TARGET_ENV");
6 if Ok("windows") == target_os.as_deref() && Ok("msvc") == target_env.as_deref() {
7 set_windows_exe_options();
8 } else {
9 // Avoid rerunning the build script every time.
10 println!("cargo:rerun-if-changed=build.rs");
11 }
12}
13
14// Add a manifest file to rustc.exe.
15fn set_windows_exe_options() {
16 static WINDOWS_MANIFEST_FILE: &str = "Windows Manifest.xml";
17
18 let mut manifest: PathBuf = env::current_dir().unwrap();
19 manifest.push(path:WINDOWS_MANIFEST_FILE);
20
21 println!("cargo:rerun-if-changed={WINDOWS_MANIFEST_FILE}");
22 // Embed the Windows application manifest file.
23 println!("cargo:rustc-link-arg-bin=rustc-main=/MANIFEST:EMBED");
24 println!("cargo:rustc-link-arg-bin=rustc-main=/MANIFESTINPUT:{}", manifest.to_str().unwrap());
25 // Turn linker warnings into errors.
26 println!("cargo:rustc-link-arg-bin=rustc-main=/WX");
27}
28