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Allow passing rustix_use_libc cfg using RUSTFLAGS #5

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Allow passing rustix_use_libc cfg using RUSTFLAGS #5

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2 changes: 2 additions & 0 deletions src/bootstrap/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,8 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &'static str, Option<&[&'static str]>)]
// FIXME: Used by proc-macro2, but we should not be triggering on external dependencies.
(Some(Mode::Rustc), "span_locations", None),
(Some(Mode::ToolRustc), "span_locations", None),
// Can be passed in RUSTFLAGS to prevent direct syscalls in rustix.
(None, "rustix_use_libc", None),
];

/// A structure representing a Rust compiler.
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