compiler/rustc/build.rs

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