Add stdio configuring to run-make Rustc

Author: clubby789

src/tools/run-make-support/src/external_deps/rustc.rs

@@ -1,5 +1,6 @@
 use std::ffi::{OsStr, OsString};
 use std::path::Path;
+use std::process::Stdio;
 
 use crate::command::Command;
 use crate::env::env_var;
@@ -300,6 +301,30 @@ impl Rustc {
         self
     }
 
+    /// Configuration for the child process’s standard input (stdin) handle.
+    ///
+    /// See [`std::process::Command::stdin`].
+    pub fn stdin<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Self {
+        self.cmd.stdin(cfg);
+        self
+    }
+
+    /// Configuration for the child process’s standard output (stdout) handle.
+    ///
+    /// See [`std::process::Command::stdout`].
+    pub fn stdout<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Self {
+        self.cmd.stdout(cfg);
+        self
+    }
+
+    /// Configuration for the child process’s standard error (stderr) handle.
+    ///
+    /// See [`std::process::Command::stderr`].
+    pub fn stderr<T: Into<Stdio>>(&mut self, cfg: T) -> &mut Self {
+        self.cmd.stderr(cfg);
+        self
+    }
+
     /// Specify the crate name.
     pub fn crate_name<S: AsRef<OsStr>>(&mut self, name: S) -> &mut Self {
         self.cmd.arg("--crate-name");