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135 lines
3.2 KiB
Groff
135 lines
3.2 KiB
Groff
.TH RUSTC "1" "January 2012" "Rust" "User Commands"
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.SH NAME
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rustc \- rust compiler
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.SH SYNOPSIS
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rustc [\fB-h\fR] [\fB-v\fR] [\fB-o\fR \fIoutfile\fR]
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[\fB--lib\fR] [\fB--static\fR] [\fB-L\fR \fIpath\fR]
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[\fB-g\fR] [\fB-S\fR] [\fB-c\fR] <\fIinput\fR>
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.PP
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Only the most commonly-used options are listed here. All options are listed and
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described below.
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.SH DESCRIPTION
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This program is a compiler for the Rust language, available at
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<\fBhttps://www.rust-lang.org\fR>.
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.SH OPTIONS
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.TP
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\fB--bin\fR
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Compile an executable crate (default)
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.TP
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\fB-c\fR
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Compile and assemble, but do not link
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.TP
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\fB--cfg <cfgspec>\fR
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Configure the compilation environment
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.TP
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\fB--emit-llvm\fR
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Produce an LLVM bitcode file
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.TP
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\fB-g\fR
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Produce debug info
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.TP
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\fB--gc\fR
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Garbage collect shared data (experimental/temporary)
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.TP
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\fB-h --help\fR
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Display this message
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.TP
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\fB-L <path>\fR
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Add a directory to the library search path
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.TP
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\fB--lib\fR
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Compile a library crate
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.TP
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\fB--ls\fR
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List the symbols defined by a compiled librar crate
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.TP
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\fB--no-asm-comments\fR
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Do not add comments into the assembly source
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.TP
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\fB--no-lint-ctypes\fR
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Suppress warnings for possibly incorrect ctype usage
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.TP
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\fB--no-trans\fR
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Run all passes except translation; no output
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.TP
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\fB--no-verify\fR
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Suppress LLVM verification step (slight speedup)
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(see http://llvm.org/docs/Passes.html for detail)
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.TP
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\fB-O\fR
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Equivalent to --opt-level=2
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.TP
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\fB-o <filename>\fR
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Write output to <filename>
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.TP
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\fB--opt-level <lvl>\fR
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Optimize with possible levels 0-3
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.TP
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\fB--out-dir <dir>\fR
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Write output to compiler-chosen filename in <dir>
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.TP
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\fB--parse-only\fR
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Parse only; do not compile, assemble, or link
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.TP
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\fB--pretty [type]\fR
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Pretty-print the input instead of compiling; valid types are: \fBnormal\fR (un-annotated source), \fBexpanded\fR (crates expanded), \fBtyped\fR (crates expanded, with type annotations), or \fBidentified\fR (fully parenthesized, AST nodes and blocks with IDs)
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.TP
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\fB-S\fR
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Compile only; do not assemble or link
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.TP
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\fB--save-temps\fR
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Write intermediate files (.bc, .opt.bc, .o) in addition to normal output
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.TP
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\fB--static\fR
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Use or produce static libraries or binaries
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.TP
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\fB--stats\fR
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Print compilation statistics
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.TP
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\fB--sysroot <path>\fR
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Override the system root
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.TP
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\fB--test\fR
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Build test harness
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.TP
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\fB--target <triple>\fR
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Target cpu-manufacturer-kernel[-os] to compile for (default: host triple)
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(see http://sources.redhat.com/autobook/autobook/autobook_17.html for detail)
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.TP
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\fB--time-passes\fR
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Time the individual phases of the compiler
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.TP
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\fB--time-llvm-passes\fR
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Time the individual phases of the LLVM backend
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.TP
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\fB-v --version\fR
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Print version info and exit
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.TP
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\fB--warn-unused-imports\fR
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Warn about unnecessary imports
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.SH "EXAMPLES"
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To build an executable from a source file with a main function:
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$ rustc -o hello hello.rs
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To build a library from a source file:
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$ rustc --lib hello-lib.rs
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To build either with a crate (.rc) file:
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$ rustc hello.rc
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.SH "BUGS"
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See \fBhttps://github.com/mozilla/rust/issues\fR for a list of known bugs.
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.SH "AUTHOR"
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See \fBAUTHORS.txt\fR in the rust source distribution. Graydon Hoare
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<\fIgraydon@mozilla.com\fR> is the project leader.
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.SH "COPYRIGHT"
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See \fBLICENSE.txt\fR in the rust source distribution.
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