| Flag |
Description |
9999 |
1.99.0 |
1.98.1 |
1.97.1 |
1.96.1 |
1.95.0 |
1.94.1 |
1.94.0 |
1.93.1 |
1.93.0 |
1.92.0_p1 |
1.91.0 |
1.90.0 |
| "( |
⚠️
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| ( |
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| ) |
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| )" |
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| AArch64 |
⚠️
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| AMDGPU |
⚠️
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| ARC |
⚠️
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| ARM |
⚠️
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| AVR |
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| BPF |
⚠️
|
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| CSKY |
⚠️
|
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| DirectX |
⚠️
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| Hexagon |
⚠️
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| Lanai |
⚠️
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| LoongArch |
⚠️
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| M68k |
⚠️
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| MSP430 |
⚠️
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| Mips |
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| NVPTX |
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| PowerPC |
⚠️
|
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| RISCV |
⚠️
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| SPIRV |
⚠️
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| Sparc |
⚠️
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| SystemZ |
⚠️
|
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| VE |
⚠️
|
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| WebAssembly |
⚠️
|
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| X86 |
⚠️
|
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| XCore |
⚠️
|
✓ |
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| Xtensa |
⚠️
|
✓ |
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| big-endian |
Big-endian toolchain support
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| bpf |
Add support for BPF programs via dev-libs/libbpf
⚠️
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| clippy |
Install clippy, Rust code linter
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
✓ |
✓ |
✓ |
| cpu_flags_x86_sse2 |
Use the SSE2 instruction set
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| debug |
Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
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✓ |
✓ |
✓ |
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✓ |
| dist |
Install dist tarballs (used for bootstrapping)
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| doc |
Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
|
⊕ |
✓ |
✓ |
✓ |
✓ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
✓ |
✓ |
✓ |
| llvm-libunwind |
Use llvm-runtimes/libunwind instead of sys-libs/libunwind
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| lto |
Enable Link-Time Optimization (LTO) to optimize the build
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| miri |
Install miri, an interpreter for Rust's mid-level intermediate representation (requires USE=nightly, sometimes is broken)
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| mrustc-bootstrap |
Use <pkg>dev-lang/mrustc</pkg> to build the bootstrap Rust sysroot from this package's source
|
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✗ |
✓ |
| rust-analyzer |
Install rust-analyzer, A Rust compiler front-end for IDEs (language server)
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| rust-src |
Install rust-src, needed by developer tools and for build-std (cross)
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| rustfmt |
Install rustfmt, Rust code formatter
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
✓ |
✓ |
✓ |
| system-llvm |
Use the system LLVM installation
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
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⊕ |
⊕ |
| test |
Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
| wasm |
⚠️
|
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |