rust/man/rustc.1

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.TH RUSTC "1" "July 2013" "rustc 0.7" "User Commands"
.SH NAME
rustc \- rust compiler
.SH SYNOPSIS
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.B rustc
[\fIOPTIONS\fR] \fIINPUT\fR
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.SH DESCRIPTION
This program is a compiler for the Rust language, available at
<\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)
.TP
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\fB\-c\fR
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Compile and assemble, but do not link
.TP
\fB\-\-cfg\fR SPEC
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Configure the compilation environment
.TP
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\fB\-\-emit\-llvm\fR
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Produce an LLVM bitcode file
.TP
\fB\-h\fR, \fB\-\-help\fR
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Display this message
.TP
\fB\-L\fR PATH
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Add a directory to the library search path
.TP
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\fB\-\-lib\fR
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Compile a library crate
.TP
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\fB\-\-linker\fR LINKER
Program to use for linking instead of the default
.TP
\fB\-\-link-args\fR FLAGS
A space-separated list of flags passed to the linker
.TP
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\fB\-\-ls\fR
List the symbols defined by a library crate
.TP
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\fB\-\-no\-trans\fR
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Run all passes except translation; no output
.TP
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\fB\-O\fR
Equivalent to \fI\-\-opt\-level=2\fR
.TP
\fB\-o\fR FILENAME
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Write output to <filename>
.TP
\fB\-\-opt\-level\fR LEVEL
Optimize with possible levels 0-3
.TP
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\fB\-\-passes\fR NAMES
Comma- or space-separated list of optimization passes. Overrides
the default passes for the optimization level. A value of 'list'
will list the available passes.
.TP
\fB\-\-out\-dir\fR DIR
Write output to compiler-chosen filename in <dir>
.TP
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\fB\-\-parse\-only\fR
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Parse only; do not compile, assemble, or link
.TP
\fB\-\-pretty\fR [TYPE]
Pretty-print the input instead of compiling; valid types are: normal
(un-annotated source), expanded (crates expanded), typed (crates
expanded, with type annotations), or identified (fully parenthesized,
AST nodes and blocks with IDs)
.TP
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\fB\-S\fR
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Compile only; do not assemble or link
.TP
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\fB\-\-save\-temps\fR
Write intermediate files (.bc, .opt.bc, .o) in addition to normal output
.TP
\fB\-\-sysroot\fR PATH
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Override the system root
.TP
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\fB\-\-test\fR
Build a test harness
.TP
\fB\-\-target\fR TRIPLE
Target triple cpu-manufacturer-kernel[-os] to compile for (see
http://sources.redhat.com/autobook/autobook/autobook_17.html
for detail)
.TP
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\fB\-\-target-feature\fR TRIPLE
Target-specific attributes (see llc -mattr=help for detail)
.TP
\fB\-\-android-cross-path\fR PATH
The path to the Android NDK
.TP
\fB\-W\fR help
Print 'lint' options and default settings
.TP
\fB\-W\fR OPT, \fB\-\-warn\fR OPT
Set lint warnings
.TP
\fB\-A\fR OPT, \fB\-\-allow\fR OPT
Set lint allowed
.TP
\fB\-D\fR OPT, \fB\-\-deny\fR OPT
Set lint denied
.TP
\fB\-F\fR OPT, \fB\-\-forbid\fR OPT
Set lint forbidden
.TP
\fB\-Z\fR FLAG
Set internal debugging options. Use "-Z help" to print available options.
.TP
\fB\-v\fR, \fB\-\-version\fR
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Print version info and exit
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.SH "EXAMPLES"
To build an executable from a source file with a main function:
$ rustc -o hello hello.rs
To build a library from a source file:
$ rustc --lib hello-lib.rs
To build either with a crate (.rc) file:
$ rustc hello.rc
To build an executable with debug info (experimental):
$ rustc -Z debug-info -o hello hello.rs
.SH "BUGS"
See <\fBhttps://github.com/mozilla/rust/issues\fR> for issues.
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.SH "AUTHOR"
See \fBAUTHORS.txt\fR in the rust source distribution. Graydon Hoare
<\fIgraydon@mozilla.com\fR> is the project leader.
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.SH "COPYRIGHT"
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This work is dual-licensed under Apache 2.0 and MIT terms. See \fBCOPYRIGHT\fR
file in the rust source distribution.