| -C ar=val -- this option is deprecated and does nothing | |
| -C code-model=val -- choose the code model to use (`rustc --print code-models` for details) | |
| -C codegen-units=val -- divide crate into N units to optimize in parallel | |
| -C control-flow-guard=val -- use Windows Control Flow Guard (default: no) | |
| -C debug-assertions=val -- explicitly enable the `cfg(debug_assertions)` directive | |
| -C debuginfo=val -- debug info emission level (0 = no debug info, 1 = line tables only, 2 = full debug info with variable and type information; default: 0) | |
| -C default-linker-libraries=val -- allow the linker to link its default libraries (default: no) | |
| -C embed-bitcode=val -- emit bitcode in rlibs (default: yes) | |
| -C extra-filename=val -- extra data to put in each output filename | |
| -C force-frame-pointers=val -- force use of the frame pointers | |
| -C force-unwind-tables=val -- force use of unwind tables | |
| -C incremental=val -- enable incremental compilation | |
| -C inline-threshold=val -- set the threshold for inlining a function | |
| -C instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: | |
| `=all` (implicit value) | |
| `=except-unused-generics` | |
| `=except-unused-functions` | |
| `=off` (default) | |
| -C link-arg=val -- a single extra argument to append to the linker invocation (can be used several times) | |
| -C link-args=val -- extra arguments to append to the linker invocation (space separated) | |
| -C link-dead-code=val -- keep dead code at link time (useful for code coverage) (default: no) | |
| -C link-self-contained=val -- control whether to link Rust provided C objects/libraries or rely | |
| on C toolchain installed in the system | |
| -C linker=val -- system linker to link outputs with | |
| -C linker-flavor=val -- linker flavor | |
| -C linker-plugin-lto=val -- generate build artifacts that are compatible with linker-based LTO | |
| -C llvm-args=val -- a list of arguments to pass to LLVM (space separated) | |
| -C lto=val -- perform LLVM link-time optimizations | |
| -C metadata=val -- metadata to mangle symbol names with | |
| -C no-prepopulate-passes=val -- give an empty list of passes to the pass manager | |
| -C no-redzone=val -- disable the use of the redzone | |
| -C no-stack-check=val -- this option is deprecated and does nothing | |
| -C no-vectorize-loops=val -- disable loop vectorization optimization passes | |
| -C no-vectorize-slp=val -- disable LLVM's SLP vectorization pass | |
| -C opt-level=val -- optimization level (0-3, s, or z; default: 0) | |
| -C overflow-checks=val -- use overflow checks for integer arithmetic | |
| -C panic=val -- panic strategy to compile crate with | |
| -C passes=val -- a list of extra LLVM passes to run (space separated) | |
| -C prefer-dynamic=val -- prefer dynamic linking to static linking (default: no) | |
| -C profile-generate=val -- compile the program with profiling instrumentation | |
| -C profile-use=val -- use the given `.profdata` file for profile-guided optimization | |
| -C relocation-model=val -- control generation of position-independent code (PIC) (`rustc --print relocation-models` for details) | |
| -C remark=val -- print remarks for these optimization passes (space separated, or "all") | |
| -C rpath=val -- set rpath values in libs/exes (default: no) | |
| -C save-temps=val -- save all temporary output files during compilation (default: no) | |
| -C soft-float=val -- use soft float ABI (*eabihf targets only) (default: no) | |
| -C split-debuginfo=val -- how to handle split-debuginfo, a platform-specific option | |
| -C strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) | |
| -C symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') | |
| -C target-cpu=val -- select target processor (`rustc --print target-cpus` for details) | |
| -C target-feature=val -- target specific attributes. (`rustc --print target-features` for details). This feature is unsafe. |