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Document Cargo with in-tree rustdoc #146199

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Merged
merged 6 commits into from
Sep 6, 2025
Merged

Document Cargo with in-tree rustdoc #146199

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b5f2a71
Document Cargo with in-tree rustdoc
Kobzol Sep 4, 2025
9f9473f
Allow `specialization` feature when documenting Cargo
Kobzol Sep 5, 2025
a6aa509
Respect top stage when documenting Cargo
Kobzol Sep 5, 2025
4375e9d
Add snapshot test for disting compiler docs
Kobzol Sep 5, 2025
8c93cdc
Add a comment about the "specialization" feature required because of …
Kobzol Sep 5, 2025
b5c139b
Fix condition
Kobzol Sep 5, 2025
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20 changes: 16 additions & 4 deletions src/bootstrap/src/core/build_steps/doc.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -965,9 +965,11 @@ macro_rules! tool_doc {
(
$tool: ident,
$path: literal,
mode = $mode:expr,
$(is_library = $is_library:expr,)?
$(crates = $crates:expr)?
mode = $mode:expr
$(, is_library = $is_library:expr )?
$(, crates = $crates:expr )?
// Subset of nightly features that are allowed to be used when documenting
$(, allow_features: $allow_features:expr )?
) => {
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct $tool {
Expand Down Expand Up @@ -1041,6 +1043,15 @@ macro_rules! tool_doc {
source_type,
&[],
);
let allow_features = {
let mut _value = "";
$( _value = $allow_features; )?
_value
};

if allow_features.is_empty() {
cargo.allow_features(allow_features);
}

cargo.arg("-Zskip-rustdoc-fingerprint");
// Only include compiler crates, no dependencies of those, such as `libc`.
Expand Down Expand Up @@ -1134,7 +1145,8 @@ tool_doc!(
"crates-io",
"mdman",
"rustfix",
]
],
allow_features: "specialization"
);
tool_doc!(Tidy, "src/tools/tidy", mode = Mode::ToolBootstrap, crates = ["tidy"]);
tool_doc!(
Expand Down