Rollup merge of #41249 - GuillaumeGomez:rustdoc-render, r=steveklabnik,frewsxcv

[rust.git] / src / bootstrap / compile.rs

diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index af1f43eb4c1ae005570dcf75eb3492ad6564a5ed..bddd570a13d2640bfc26b8d63fb769e9f76fad95 100644 (file)
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -258,7 +258,7 @@ pub fn rustc(build: &Build, target: &str, compiler: &Compiler) {
         cargo.env("CFG_LLVM_ROOT", s);
     }
     // Building with a static libstdc++ is only supported on linux right now,
-    // not for MSVC or OSX
+    // not for MSVC or macOS
     if build.config.llvm_static_stdcpp &&
        !target.contains("windows") &&
        !target.contains("apple") {
@@ -275,6 +275,7 @@ pub fn rustc(build: &Build, target: &str, compiler: &Compiler) {
         cargo.env("CFG_DEFAULT_AR", s);
     }
     build.run(&mut cargo);
+    update_mtime(build, &librustc_stamp(build, compiler, target));
 }
 
 /// Same as `std_link`, only for librustc
@@ -305,6 +306,12 @@ fn libtest_stamp(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
     build.cargo_out(compiler, Mode::Libtest, target).join(".libtest.stamp")
 }
 
+/// Cargo's output path for librustc in a given stage, compiled by a particular
+/// compiler for the specified target.
+fn librustc_stamp(build: &Build, compiler: &Compiler, target: &str) -> PathBuf {
+    build.cargo_out(compiler, Mode::Librustc, target).join(".librustc.stamp")
+}
+
 fn compiler_file(compiler: &Path, file: &str) -> PathBuf {
     let out = output(Command::new(compiler)
                             .arg(format!("-print-file-name={}", file)));
@@ -407,6 +414,23 @@ fn add_to_sysroot(out_dir: &Path, sysroot_dst: &Path) {
     }
 }
 
+/// Build a tool in `src/tools`
+///
+/// This will build the specified tool with the specified `host` compiler in
+/// `stage` into the normal cargo output directory.
+pub fn maybe_clean_tools(build: &Build, stage: u32, target: &str, mode: Mode) {
+    let compiler = Compiler::new(stage, &build.config.build);
+
+    let stamp = match mode {
+        Mode::Libstd => libstd_stamp(build, &compiler, target),
+        Mode::Libtest => libtest_stamp(build, &compiler, target),
+        Mode::Librustc => librustc_stamp(build, &compiler, target),
+        _ => panic!(),
+    };
+    let out_dir = build.cargo_out(&compiler, Mode::Tool, target);
+    build.clear_if_dirty(&out_dir, &stamp);
+}
+
 /// Build a tool in `src/tools`
 ///
 /// This will build the specified tool with the specified `host` compiler in
@@ -416,15 +440,6 @@ pub fn tool(build: &Build, stage: u32, target: &str, tool: &str) {
 
     let compiler = Compiler::new(stage, &build.config.build);
 
-    // FIXME: need to clear out previous tool and ideally deps, may require
-    //        isolating output directories or require a pseudo shim step to
-    //        clear out all the info.
-    //
-    //        Maybe when libstd is compiled it should clear out the rustc of the
-    //        corresponding stage?
-    // let out_dir = build.cargo_out(stage, &host, Mode::Librustc, target);
-    // build.clear_if_dirty(&out_dir, &libstd_stamp(build, stage, &host, target));
-
     let mut cargo = build.cargo(&compiler, Mode::Tool, target, "build");
     let mut dir = build.src.join(tool);
     if !dir.exists() {