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39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# rustc
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> The Rust compiler.
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> Rust projects usually use `cargo` instead of invoking `rustc` directly.
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> More information: <https://doc.rust-lang.org/stable/rustc/>.
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- Compile a binary crate:
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`rustc {{path/to/main.rs}}`
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- Compile with optimizations (`s` means optimize for binary size; `z` is the same with even more optimizations):
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`rustc {{[-C|--codegen]}} lto {{[-C|--codegen]}} opt-level={{0|1|2|3|s|z}} {{path/to/main.rs}}`
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- Compile with debugging information:
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`rustc -g {{path/to/main.rs}}`
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- Explain an error message:
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`rustc --explain {{error_code}}`
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- Compile with architecture-specific optimizations for the current CPU:
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`rustc {{[-C|--codegen]}} target-cpu={{native}} {{path/to/main.rs}}`
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- Display the target list (Note: You have to add a target using `rustup` first to be able to compile for it):
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`rustc --print target-list`
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- Compile for a specific target:
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`rustc --target {{target_triple}} {{path/to/main.rs}}`
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