Merge #213

213: compile core and compiler_builtins (+mem) ... r=japaric a=japaric if no Xargo.toml was specified closes #212 cc @phil-opp Co-authored-by: Jorge Aparicio <jorge@japaric.io>
japaric · Apr 8, 2018 · 3bd678d · 3bd678d
2 parents da390b9 + 0de819d
commit 3bd678d
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Showing 4 changed files with 61 additions and 35 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -8,7 +8,7 @@ keywords = ["cli", "cross", "compilation", "std"]
 license = "MIT OR Apache-2.0"
 name = "xargo"
 repository = "https://github.com/japaric/xargo"
-version = "0.3.11"
+version = "0.3.12"
 
 [dependencies]
 error-chain = "0.7.2"

diff --git a/src/sysroot.rs b/src/sysroot.rs
@@ -1,9 +1,9 @@
 use std::collections::BTreeMap;
 use std::collections::hash_map::DefaultHasher;
 use std::hash::{Hash, Hasher};
+use std::io::{self, Write};
 use std::path::PathBuf;
 use std::process::Command;
-use std::io::{self, Write};
 use std::{env, fs};
 
 use rustc_version::VersionMeta;
@@ -54,7 +54,8 @@ version = "0.0.0"
     util::mkdir(&dst)?;
 
     if cmode.triple().contains("pc-windows-gnu") {
-        let src = &sysroot.path()
+        let src = &sysroot
+            .path()
             .join("lib")
             .join("rustlib")
             .join(cmode.triple())
@@ -64,8 +65,13 @@ version = "0.0.0"
         for file in ["rsbegin.o", "rsend.o", "crt2.o", "dllcrt2.o"].iter() {
             let file_src = src.join(file);
             let file_dst = dst.join(file);
-            fs::copy(&file_src, &file_dst)
-                .chain_err(|| format!("couldn't copy {} to {}", file_src.display(), file_dst.display()))?;
+            fs::copy(&file_src, &file_dst).chain_err(|| {
+                format!(
+                    "couldn't copy {} to {}",
+                    file_src.display(),
+                    file_dst.display()
+                )
+            })?;
         }
     }
 
@@ -218,7 +224,16 @@ pub fn update(
     let hash = hash(cmode, &blueprint, rustflags, &ctoml, meta)?;
 
     if old_hash(cmode, home)? != Some(hash) {
-        build(cmode, blueprint, &ctoml, home, rustflags, sysroot, hash, verbose)?;
+        build(
+            cmode,
+            blueprint,
+            &ctoml,
+            home,
+            rustflags,
+            sysroot,
+            hash,
+            verbose,
+        )?;
     }
 
     // copy host artifacts into the sysroot, if necessary
@@ -326,10 +341,22 @@ impl Blueprint {
                 ))?
             },
             (None, None) => {
-                // If no dependencies were listed, we assume `core` as the
-                // only dependency
+                // If no dependencies were listed, we assume `core` and `compiler_builtins` as the
+                // dependencies
                 let mut t = BTreeMap::new();
-                t.insert("core".to_owned(), Value::Table(BTreeMap::new()));
+                let mut core = BTreeMap::new();
+                core.insert("stage".to_owned(), Value::Integer(0));
+                t.insert("core".to_owned(), Value::Table(core));
+                let mut cb = BTreeMap::new();
+                cb.insert(
+                    "features".to_owned(),
+                    Value::Array(vec![Value::String("mem".to_owned())]),
+                );
+                cb.insert("stage".to_owned(), Value::Integer(1));
+                t.insert(
+                    "compiler_builtins".to_owned(),
+                    Value::Table(cb),
+                );
                 t
             }
         };
@@ -372,8 +399,7 @@ impl Blueprint {
                 Err(format!(
                     "Xargo.toml: target.{}.dependencies.{} must be \
                      a table",
-                    target,
-                    k
+                    target, k
                 ))?
             }
         }
@@ -382,11 +408,9 @@ impl Blueprint {
     }
 
     fn push(&mut self, stage: i64, krate: String, toml: Table) {
-        let stage = self.stages.entry(stage).or_insert_with(|| {
-            Stage {
-                crates: vec![],
-                toml: Table::new(),
-            }
+        let stage = self.stages.entry(stage).or_insert_with(|| Stage {
+            crates: vec![],
+            toml: Table::new(),
         });
 
         stage.toml.insert(krate.clone(), Value::Table(toml));

diff --git a/tests/smoke.rs b/tests/smoke.rs
@@ -323,7 +323,7 @@ impl Drop for HProject {
 #[test]
 fn simple() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__simple";
+        const TARGET: &'static str = "thumbv6m-simple-eabi";
 
         let project = Project::new(TARGET)?;
         project.build(TARGET)?;
@@ -341,12 +341,13 @@ fn simple() {
 #[test]
 fn target_dependencies() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__target_dependencies";
+        // need this exact target name to get the right gcc flags
+        const TARGET: &'static str = "thumbv7m-none-eabi";
 
         let project = Project::new(TARGET)?;
         project.xargo_toml(
             r#"
-[target.__target_dependencies.dependencies.alloc]
+[target.thumbv7m-none-eabi.dependencies.alloc]
 "#,
         )?;
         project.build(TARGET)?;
@@ -364,7 +365,8 @@ fn target_dependencies() {
 #[test]
 fn dependencies() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__dependencies";
+        // need this exact target name to get the right gcc flags
+        const TARGET: &'static str = "thumbv6m-none-eabi";
 
         let project = Project::new(TARGET)?;
         project.xargo_toml(
@@ -387,7 +389,7 @@ fn dependencies() {
 #[test]
 fn doc() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__doc";
+        const TARGET: &'static str = "thumbv6m-doc-eabi";
 
         let project = Project::new(TARGET)?;
         project.doc(TARGET)?;
@@ -404,7 +406,7 @@ fn doc() {
 #[test]
 fn twice() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__twice";
+        const TARGET: &'static str = "thumbv6m-twice-eabi";
 
         let project = Project::new(TARGET)?;
         let stderr = project.build_and_get_stderr(Some(TARGET))?;
@@ -427,13 +429,13 @@ fn twice() {
 #[test]
 fn build_target() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__build_target";
+        const TARGET: &'static str = "thumbv6m-build_target-eabi";
 
         let project = Project::new(TARGET)?;
         project.config(
             r#"
 [build]
-target = "__build_target"
+target = "thumbv6m-build_target-eabi"
 "#,
         )?;
 
@@ -452,7 +454,7 @@ target = "__build_target"
 #[test]
 fn override_build_target() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__override_build_target";
+        const TARGET: &'static str = "thumbv6m-override_build_target-eabi";
 
         let project = Project::new(TARGET)?;
         project.config(
@@ -477,7 +479,7 @@ target = "BAD"
 #[test]
 fn lto_changed() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__lto_changed";
+        const TARGET: &'static str = "thumbv6m-lto_changed-eabi";
 
         let project = Project::new(TARGET)?;
         let stderr = project.build_and_get_stderr(Some(TARGET))?;
@@ -506,7 +508,7 @@ lto = true
 #[test]
 fn rustflags_changed() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__rustflags_changed";
+        const TARGET: &'static str = "thumbv6m-rustflags_changed-eabi";
 
         let project = Project::new(TARGET)?;
         let stderr = project.build_and_get_stderr(Some(TARGET))?;
@@ -535,7 +537,7 @@ rustflags = ["--cfg", "xargo"]
 #[test]
 fn rustflags() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__rustflags";
+        const TARGET: &'static str = "thumbv6m-rustflags-eabi";
 
         let project = Project::new(TARGET)?;
 
@@ -567,7 +569,7 @@ rustflags = ["--cfg", "xargo"]
 #[test]
 fn panic_abort() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__panic_abort";
+        const TARGET: &'static str = "thumbv6m-panic_abort-eabi";
 
         let project = Project::new(TARGET)?;
 
@@ -598,7 +600,7 @@ panic = "abort"
 #[test]
 fn link_arg() {
     fn run() -> Result<()> {
-        const TARGET: &'static str = "__link_arg";
+        const TARGET: &'static str = "thumbv6m-link_arg-eabi";
 
         let project = Project::new(TARGET)?;
 
@@ -642,7 +644,7 @@ fn specification_changed() {
     "target-pointer-width": "32"
 }
 "#;
-        const TARGET: &'static str = "__specification_changed";
+        const TARGET: &'static str = "thumbv6m-specification_changed-eabi";
 
         let project = Project::new(TARGET)?;
 
@@ -651,7 +653,7 @@ fn specification_changed() {
         assert!(sysroot_was_built(&stderr, TARGET));
 
         write(
-            &project.td.path().join("__specification_changed.json"),
+            &project.td.path().join("thumbv6m-specification_changed-eabi.json"),
             false,
             JSON,
         )?;
@@ -685,7 +687,7 @@ fn unchanged_specification() {
     "target-pointer-width": "32"
 }
 "#;
-        const TARGET: &'static str = "__unchanged_specification";
+        const TARGET: &'static str = "thumbv6m-unchanged_specification-eabi";
 
         let project = Project::new(TARGET)?;
 
@@ -694,7 +696,7 @@ fn unchanged_specification() {
         assert!(sysroot_was_built(&stderr, TARGET));
 
         write(
-            &project.td.path().join("__unchanged_specification.json"),
+            &project.td.path().join("thumbv6m-unchanged_specification-eabi.json"),
             false,
             JSON,
         )?;