Use new utility functions/methods in run-make tests

Author: GuillaumeGomez

tests/run-make/doctests-keep-binaries/rmake.rs

@@ -26,8 +26,7 @@ fn main() {
 .arg("--test")
 .arg("--persist-doctests")
 .arg(out_dir)
-.arg("--extern")
-.arg(format!("t={}", extern_path.display()))
+.extern_("t", extern_path)
 .run();
 check_generated_binaries();
 });
@@ -38,8 +37,7 @@ fn main() {
 .arg("--test")
 .arg("--persist-doctests")
 .arg(out_dir)
-.arg("--extern")
-.arg(format!("t={}", extern_path.display()))
+.extern_("t", extern_path)
 .arg("--no-run")
 .run();
 check_generated_binaries();
@@ -59,8 +57,7 @@ fn main() {
 .arg("doctests")
 .arg("--test-run-directory")
 .arg(run_dir)
-.arg("--extern")
-.arg("t=libt.rlib")
+.extern_("t","libt.rlib")
 .run();
 
 remove_dir_all(run_dir_path);

tests/run-make/doctests-runtool/rmake.rs

@@ -29,8 +29,7 @@ fn main() {
 .arg(run_dir_name)
 .arg("--runtool")
 .arg(&run_tool_binary)
-.arg("--extern")
-.arg("t=libt.rlib")
+.extern_("t","libt.rlib")
 .current_dir(tmp_dir())
 .run();
 

tests/run-make/rustdoc-map-file/rmake.rs

@@ -1,5 +1,4 @@
-use run_make_support::{rustdoc, tmp_dir};
-use std::process::Command;
+use run_make_support::{python_command, rustdoc, tmp_dir};
 
 fnmain(){
 let out_dir = tmp_dir().join("out");
@@ -10,6 +9,5 @@ fn main() {
 .output(&out_dir)
 .run();
 // FIXME (GuillaumeGomez): Port the python script to Rust as well.
-let python = std::env::var("PYTHON").unwrap_or("python".into());
-assert!(Command::new(python).arg("validate_json.py").arg(&out_dir).status().unwrap().success());
+assert!(python_command().arg("validate_json.py").arg(&out_dir).status().unwrap().success());
 }