compiler: Add Windows resources to rustc-main and rustc_driver

Adds Windows resources with the rust version information to rustc-main.exe and rustc_driver.dll

Sets the product description to "Rust Compiler" or "Rust Compiler (channel)" for non-stable channels

2 files changed, 26 insertions, 0 deletions

diff --git a/compiler/rustc_driver/Cargo.toml b/compiler/rustc_driver/Cargo.toml
index e3ee8351295..51909719827 100644
--- a/compiler/rustc_driver/Cargo.toml
+++ b/compiler/rustc_driver/Cargo.toml
@@ -10,3 +10,8 @@ crate-type = ["dylib"]
 # tidy-alphabetical-start
 rustc_driver_impl = { path = "../rustc_driver_impl" }
 # tidy-alphabetical-end
+
+[build-dependencies]
+# tidy-alphabetical-start
+rustc_windows_rc = { path = "../rustc_windows_rc" }
+# tidy-alphabetical-end
diff --git a/compiler/rustc_driver/build.rs b/compiler/rustc_driver/build.rs
new file mode 100644
index 00000000000..ba44fe7a86e
--- /dev/null
+++ b/compiler/rustc_driver/build.rs
@@ -0,0 +1,21 @@
+use std::{env, path};
+
+use rustc_windows_rc::{VersionInfoFileType, compile_windows_resource_file};
+
+fn main() {
+    let target_os = env::var("CARGO_CFG_TARGET_OS");
+    let target_env = env::var("CARGO_CFG_TARGET_ENV");
+    if Ok("windows") == target_os.as_deref() && Ok("msvc") == target_env.as_deref() {
+        set_windows_dll_options();
+    } else {
+        // Avoid rerunning the build script every time.
+        println!("cargo:rerun-if-changed=build.rs");
+    }
+}
+
+fn set_windows_dll_options() {
+    let stem = path::PathBuf::from("rustc_driver_resource");
+    let file_description = "rustc_driver";
+    let res_file = compile_windows_resource_file(&stem, file_description, VersionInfoFileType::Dll);
+    println!("cargo:rustc-link-arg={}", res_file.display());
+}