Compile bootstrap with -Zbinary-dep-depinfo #151114
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In cg_clif's test framework it is possible for the standard library to change in an ABI incompatible way without the rustc binary changing. In that case rustc wouldn't rebuild all bootstrap dependencies, causing compilation to fail. Passing -Zbinary-dep-depinfo fixes this.
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Kobzol
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Jan 14, 2026
| args += ["-Zwarnings"] | ||
| env["CARGO_BUILD_WARNINGS"] = "deny" | ||
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| env["RUSTFLAGS"] += " -Zbinary-dep-depinfo" |
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Could you please add a comment that explains this?
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r? Kobzol (since you're already looking at it) |
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In cg_clif's test framework it is possible for the standard library to change in an ABI incompatible way without the rustc binary changing. In that case rustc wouldn't rebuild all bootstrap dependencies, causing compilation to fail. Passing -Zbinary-dep-depinfo fixes this.