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build_system/src/build.rs

@@ -128,7 +128,7 @@ pub fn build_sysroot(env: &HashMap<String, String>, config: &ConfigInfo) -> Resu
                 &"build",
                 &"--release",
                 &"--target",
-                &config.target_triple,
+                &config.target,
             ],
             Some(start_dir),
             Some(&env),
@@ -138,7 +138,7 @@ pub fn build_sysroot(env: &HashMap<String, String>, config: &ConfigInfo) -> Resu
         env.insert("RUSTFLAGS".to_string(), rustflags);
 
         run_command_with_output_and_env(
-            &[&"cargo", &"build", &"--target", &config.target_triple],
+            &[&"cargo", &"build", &"--target", &config.target],
             Some(start_dir),
             Some(&env),
         )?;

build_system/src/config.rs

@@ -21,6 +21,7 @@ pub fn as_str(self) -> &'static str {
 
 #[derive(Default, Debug)]
 pub struct ConfigInfo {
+    pub target: String,
     pub target_triple: String,
     pub host_triple: String,
     pub rustc_command: Vec<String>,
@@ -42,6 +43,13 @@ pub fn parse_argument(
         args: &mut impl Iterator<Item = String>,
     ) -> Result<bool, String> {
         match arg {
+            "--target" => {
+                if let Some(arg) = args.next() {
+                    self.target = arg;
+                } else {
+                    return Err("Expected a value after `--target`, found nothing".to_string());
+                }
+            }
             "--target-triple" => match args.next() {
                 Some(arg) if !arg.is_empty() => self.target_triple = arg.to_string(),
                 _ => {
@@ -113,6 +121,9 @@ pub fn setup(
         if self.target_triple.is_empty() {
             self.target_triple = self.host_triple.clone();
         }
+        if self.target.is_empty() && !self.target_triple.is_empty() {
+            self.target = self.target_triple.clone();
+        }
 
         let mut linker = None;
 
@@ -243,6 +254,7 @@ pub fn show_usage() {
         println!(
             "\
     --target-triple [arg]  : Set the target triple to [arg]
+    --target [arg]         : Set the target to [arg]
     --out-dir              : Location where the files will be generated
     --release              : Build in release mode
     --release-sysroot      : Build sysroot in release mode

build_system/src/test.rs

@@ -482,7 +482,7 @@ fn std_tests(env: &Env, args: &TestArg) -> Result<(), String> {
         &args.config_info.target_triple,
     ]);
     run_command_with_env(&command, None, Some(env))?;
-    // FIXME: the compiled binary is not run. Is it normal?
+    // FIXME: the compiled binary is not run.
 
     Ok(())
 }