xtask: don't add default arguments if building for a no_std target

xtask/src/argument_parsing.rs

@@ -1,4 +1,4 @@
-use crate::{command::CargoCommand, ARMV6M, ARMV7M, ARMV8MBASE, ARMV8MMAIN, DEFAULT_FEATURES};
+use crate::{command::CargoCommand, Target, ARMV6M, ARMV7M, ARMV8MBASE, ARMV8MMAIN};
 use clap::{Args, Parser, Subcommand};
 use core::fmt;
 
@@ -37,12 +37,12 @@ impl TestMetadata {
     pub fn match_package(package: Package, backend: Backends) -> CargoCommand<'static> {
         match package {
             Package::Rtic => {
-                let features = Some(format!(
-                    "{},{},{}",
-                    DEFAULT_FEATURES,
+                let features = format!(
+                    "{},{}",
                     backend.to_rtic_feature(),
-                    backend.to_rtic_uitest_feature(),
-                ));
+                    backend.to_rtic_uitest_feature()
+                );
+                let features = Some(backend.to_target().and_features(&features));
                 CargoCommand::Test {
                     package: Some(package),
                     features,
@@ -89,7 +89,7 @@ pub enum Backends {
 
 impl Backends {
     #[allow(clippy::wrong_self_convention)]
-    pub fn to_target(&self) -> &str {
+    pub fn to_target(&self) -> Target {
         match self {
             Backends::Thumbv6 => ARMV6M,
             Backends::Thumbv7 => ARMV7M,

xtask/src/cargo_commands.rs

@@ -3,7 +3,7 @@ use crate::{
         Backends, BuildOrCheck, ExtraArguments, Globals, Package, PackageOpt, TestMetadata,
     },
     command::{BuildMode, CargoCommand},
-    command_parser, package_feature_extractor, DEFAULT_FEATURES,
+    command_parser, package_feature_extractor,
 };
 use log::error;
 use rayon::prelude::*;
@@ -16,20 +16,21 @@ pub fn cargo(
     package: &PackageOpt,
     backend: Backends,
 ) -> anyhow::Result<()> {
-    let features = package_feature_extractor(package, backend);
+    let target = backend.to_target();
+    let features = package_feature_extractor(target, package, backend);
 
     let command = match operation {
         BuildOrCheck::Check => CargoCommand::Check {
             cargoarg,
             package: package.package,
-            target: backend.to_target(),
+            target,
             features,
             mode: BuildMode::Release,
         },
         BuildOrCheck::Build => CargoCommand::Build {
             cargoarg,
             package: package.package,
-            target: backend.to_target(),
+            target,
             features,
             mode: BuildMode::Release,
         },
@@ -49,11 +50,7 @@ pub fn cargo_example(
     examples: &[String],
 ) -> anyhow::Result<()> {
     examples.into_par_iter().for_each(|example| {
-        let features = Some(format!(
-            "{},{}",
-            DEFAULT_FEATURES,
-            backend.to_rtic_feature()
-        ));
+        let features = Some(backend.to_target().and_features(backend.to_rtic_feature()));
 
         let command = match operation {
             BuildOrCheck::Check => CargoCommand::ExampleCheck {
@@ -87,13 +84,14 @@ pub fn cargo_clippy(
     package: &PackageOpt,
     backend: Backends,
 ) -> anyhow::Result<()> {
-    let features = package_feature_extractor(package, backend);
+    let target = backend.to_target();
+    let features = package_feature_extractor(target, package, backend);
     command_parser(
         globals,
         &CargoCommand::Clippy {
             cargoarg,
             package: package.package,
-            target: backend.to_target(),
+            target,
             features,
         },
         false,
@@ -127,11 +125,7 @@ pub fn cargo_doc(
     backend: Backends,
     arguments: &Option<ExtraArguments>,
 ) -> anyhow::Result<()> {
-    let features = Some(format!(
-        "{},{}",
-        DEFAULT_FEATURES,
-        backend.to_rtic_feature()
-    ));
+    let features = Some(backend.to_target().and_features(backend.to_rtic_feature()));
 
     command_parser(
         globals,
@@ -145,7 +139,7 @@ pub fn cargo_doc(
     Ok(())
 }
 
-/// Run cargo test on the selcted package or all packages
+/// Run cargo test on the selected package or all packages
 ///
 /// If no package is specified, loop through all packages
 pub fn cargo_test(
@@ -204,16 +198,15 @@ pub fn run_test(
     examples: &[String],
     overwrite: bool,
 ) -> anyhow::Result<()> {
+    let target = backend.to_target();
+    let features = Some(target.and_features(backend.to_rtic_feature()));
+
     examples.into_par_iter().for_each(|example| {
         let cmd = CargoCommand::ExampleBuild {
             cargoarg: &Some("--quiet"),
             example,
-            target: backend.to_target(),
-            features: Some(format!(
-                "{},{}",
-                DEFAULT_FEATURES,
-                backend.to_rtic_feature()
-            )),
+            target,
+            features: features.clone(),
             mode: BuildMode::Release,
         };
         if let Err(err) = command_parser(globals, &cmd, false) {
@@ -223,12 +216,8 @@ pub fn run_test(
         let cmd = CargoCommand::Qemu {
             cargoarg,
             example,
-            target: backend.to_target(),
-            features: Some(format!(
-                "{},{}",
-                DEFAULT_FEATURES,
-                backend.to_rtic_feature()
-            )),
+            target,
+            features: features.clone(),
             mode: BuildMode::Release,
         };
 
@@ -248,17 +237,16 @@ pub fn build_and_check_size(
     examples: &[String],
     arguments: &Option<ExtraArguments>,
 ) -> anyhow::Result<()> {
+    let target = backend.to_target();
+    let features = Some(target.and_features(backend.to_rtic_feature()));
+
     examples.into_par_iter().for_each(|example| {
         // Make sure the requested example(s) are built
         let cmd = CargoCommand::ExampleBuild {
             cargoarg: &Some("--quiet"),
             example,
-            target: backend.to_target(),
-            features: Some(format!(
-                "{},{}",
-                DEFAULT_FEATURES,
-                backend.to_rtic_feature()
-            )),
+            target,
+            features: features.clone(),
             mode: BuildMode::Release,
         };
         if let Err(err) = command_parser(globals, &cmd, false) {
@@ -269,11 +257,7 @@ pub fn build_and_check_size(
             cargoarg,
             example,
             target: backend.to_target(),
-            features: Some(format!(
-                "{},{}",
-                DEFAULT_FEATURES,
-                backend.to_rtic_feature()
-            )),
+            features: features.clone(),
             mode: BuildMode::Release,
             arguments: arguments.clone(),
         };

xtask/src/command.rs

@@ -1,4 +1,4 @@
-use crate::{debug, ExtraArguments, Package, RunResult, TestRunError};
+use crate::{debug, ExtraArguments, Package, RunResult, Target, TestRunError};
 use core::fmt;
 use std::{
     fs::File,
@@ -35,49 +35,49 @@ pub enum CargoCommand<'a> {
     Run {
         cargoarg: &'a Option<&'a str>,
         example: &'a str,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     Qemu {
         cargoarg: &'a Option<&'a str>,
         example: &'a str,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     ExampleBuild {
         cargoarg: &'a Option<&'a str>,
         example: &'a str,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     ExampleCheck {
         cargoarg: &'a Option<&'a str>,
         example: &'a str,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     Build {
         cargoarg: &'a Option<&'a str>,
         package: Option<Package>,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     Check {
         cargoarg: &'a Option<&'a str>,
         package: Option<Package>,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
     },
     Clippy {
         cargoarg: &'a Option<&'a str>,
         package: Option<Package>,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
     },
     Format {
@@ -101,7 +101,7 @@ pub enum CargoCommand<'a> {
     ExampleSize {
         cargoarg: &'a Option<&'a str>,
         example: &'a str,
-        target: &'a str,
+        target: Target<'a>,
         features: Option<String>,
         mode: BuildMode,
         arguments: Option<ExtraArguments>,
@@ -153,7 +153,13 @@ impl<'a> CargoCommand<'a> {
                 if let Some(cargoarg) = cargoarg {
                     args.extend_from_slice(&[cargoarg]);
                 }
-                args.extend_from_slice(&[self.command(), "--example", example, "--target", target]);
+                args.extend_from_slice(&[
+                    self.command(),
+                    "--example",
+                    example,
+                    "--target",
+                    target.triple(),
+                ]);
 
                 if let Some(feature) = features {
                     args.extend_from_slice(&["--features", feature]);
@@ -174,7 +180,13 @@ impl<'a> CargoCommand<'a> {
                 if let Some(cargoarg) = cargoarg {
                     args.extend_from_slice(&[cargoarg]);
                 }
-                args.extend_from_slice(&[self.command(), "--example", example, "--target", target]);
+                args.extend_from_slice(&[
+                    self.command(),
+                    "--example",
+                    example,
+                    "--target",
+                    target.triple(),
+                ]);
 
                 if let Some(feature) = features {
                     args.extend_from_slice(&["--features", feature]);
@@ -196,7 +208,7 @@ impl<'a> CargoCommand<'a> {
                     args.extend_from_slice(&[cargoarg]);
                 }
 
-                args.extend_from_slice(&[self.command(), "--target", target]);
+                args.extend_from_slice(&[self.command(), "--target", target.triple()]);
 
                 if let Some(package) = package {
                     args.extend_from_slice(&["--package", package.name()]);
@@ -344,7 +356,13 @@ impl<'a> CargoCommand<'a> {
                 if let Some(cargoarg) = cargoarg {
                     args.extend_from_slice(&[cargoarg]);
                 }
-                args.extend_from_slice(&[self.command(), "--example", example, "--target", target]);
+                args.extend_from_slice(&[
+                    self.command(),
+                    "--example",
+                    example,
+                    "--target",
+                    target.triple(),
+                ]);
 
                 if let Some(feature) = features {
                     args.extend_from_slice(&["--features", feature]);
@@ -365,7 +383,13 @@ impl<'a> CargoCommand<'a> {
                 if let Some(cargoarg) = cargoarg {
                     args.extend_from_slice(&[cargoarg]);
                 }
-                args.extend_from_slice(&[self.command(), "--example", example, "--target", target]);
+                args.extend_from_slice(&[
+                    self.command(),
+                    "--example",
+                    example,
+                    "--target",
+                    target.triple(),
+                ]);
 
                 if let Some(feature) = features {
                     args.extend_from_slice(&["--features", feature]);
@@ -387,7 +411,13 @@ impl<'a> CargoCommand<'a> {
                 if let Some(cargoarg) = cargoarg {
                     args.extend_from_slice(&[cargoarg]);
                 }
-                args.extend_from_slice(&[self.command(), "--example", example, "--target", target]);
+                args.extend_from_slice(&[
+                    self.command(),
+                    "--example",
+                    example,
+                    "--target",
+                    target.triple(),
+                ]);
 
                 if let Some(feature_name) = features {
                     args.extend_from_slice(&["--features", feature_name]);

xtask/src/main.rs

@@ -33,14 +33,42 @@ use crate::{
     command::{run_command, run_successful, CargoCommand},
 };
 
-// x86_64-unknown-linux-gnu
-const _X86_64: &str = "x86_64-unknown-linux-gnu";
-const ARMV6M: &str = "thumbv6m-none-eabi";
-const ARMV7M: &str = "thumbv7m-none-eabi";
-const ARMV8MBASE: &str = "thumbv8m.base-none-eabi";
-const ARMV8MMAIN: &str = "thumbv8m.main-none-eabi";
+#[derive(Debug, Clone, Copy)]
+pub struct Target<'a> {
+    triple: &'a str,
+    has_std: bool,
+}
 
-const DEFAULT_FEATURES: &str = "test-critical-section";
+impl<'a> Target<'a> {
+    const STD_FEATURES: &str = "test-critical-section";
+
+    pub const fn new(triple: &'a str, has_std: bool) -> Self {
+        Self { triple, has_std }
+    }
+
+    pub fn triple(&self) -> &str {
+        self.triple
+    }
+
+    pub fn has_std(&self) -> bool {
+        self.has_std
+    }
+
+    pub fn and_features(&self, features: &str) -> String {
+        if self.has_std {
+            format!("{},{}", Self::STD_FEATURES, features)
+        } else {
+            features.to_string()
+        }
+    }
+}
+
+// x86_64-unknown-linux-gnu
+const _X86_64: Target = Target::new("x86_64-unknown-linux-gnu", true);
+const ARMV6M: Target = Target::new("thumbv6m-none-eabi", false);
+const ARMV7M: Target = Target::new("thumbv7m-none-eabi", false);
+const ARMV8MBASE: Target = Target::new("thumbv8m.base-none-eabi", false);
+const ARMV8MMAIN: Target = Target::new("thumbv8m.main-none-eabi", false);
 
 #[derive(Debug, Clone)]
 pub struct RunResult {
@@ -276,12 +304,13 @@ fn main() -> anyhow::Result<()> {
 /// Without package specified the features for RTIC are required
 /// With only a single package which is not RTIC, no special
 /// features are needed
-fn package_feature_extractor(package: &PackageOpt, backend: Backends) -> Option<String> {
-    let default_features = Some(format!(
-        "{},{}",
-        DEFAULT_FEATURES,
-        backend.to_rtic_feature()
-    ));
+fn package_feature_extractor(
+    target: Target,
+    package: &PackageOpt,
+    backend: Backends,
+) -> Option<String> {
+    let default_features = Some(target.and_features(backend.to_rtic_feature()));
+
     if let Some(package) = package.package {
         debug!("\nTesting package: {package}");
         match package {