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bootstrap: fix minor comment typos in lib.rs #42140

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May 22, 2017
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12 changes: 6 additions & 6 deletions src/bootstrap/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,7 @@ pub enum Mode {
/// output in the "stageN-rustc" directory.
Librustc,

/// This cargo is going to some build tool, placing output in the
/// This cargo is going to build some tool, placing output in the
/// "stageN-tools" directory.
Tool,
}
Expand Down Expand Up @@ -424,7 +424,7 @@ impl Build {
.env("RUSTC_SNAPSHOT_LIBDIR", self.rustc_libdir(compiler));
}

// There are two invariants we try must maintain:
// There are two invariants we must maintain:
// * stable crates cannot depend on unstable crates (general Rust rule),
// * crates that end up in the sysroot must be unstable (rustbuild rule).
//
Expand All @@ -438,7 +438,7 @@ impl Build {
// feature and opt-in to `rustc_private`.
//
// We can't always pass `rustbuild` because crates which are outside of
// the comipiler, libs, and tests are stable and we don't want to make
// the compiler, libs, and tests are stable and we don't want to make
// their deps unstable (since this would break the first invariant
// above).
//
Expand All @@ -448,7 +448,7 @@ impl Build {
}

// Ignore incremental modes except for stage0, since we're
// not guaranteeing correctness acros builds if the compiler
// not guaranteeing correctness across builds if the compiler
// is changing under your feet.`
if self.flags.incremental && compiler.stage == 0 {
let incr_dir = self.incremental_dir(compiler);
Expand Down Expand Up @@ -489,7 +489,7 @@ impl Build {
cargo.env_remove("MAKEFLAGS");
}

// Environment variables *required* needed throughout the build
// Environment variables *required* throughout the build
//
// FIXME: should update code to not require this env var
cargo.env("CFG_COMPILER_HOST_TRIPLE", target);
Expand Down Expand Up @@ -647,7 +647,7 @@ impl Build {
}

/// Returns the root output directory for all Cargo output in a given stage,
/// running a particular comipler, wehther or not we're building the
/// running a particular compiler, wehther or not we're building the
/// standard library, and targeting the specified architecture.
fn cargo_out(&self,
compiler: &Compiler,
Expand Down