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Alex Crichton 071ee96277 Consolidate codegen-related compiler flags Move them all behind a new -C switch. This migrates some -Z flags and some top-level flags behind this -C codegen option. The -C flag takes values of the form "-C name=value" where the "=value" is optional for some flags. Flags affected: * --llvm-args => -C llvm-args * --passes => -C passes * --ar => -C ar * --linker => -C linker * --link-args => -C link-args * --target-cpu => -C target-cpu * --target-feature => -C target-fature * --android-cross-path => -C android-cross-path * --save-temps => -C save-temps * --no-rpath => -C no-rpath * -Z no-prepopulate => -C no-prepopulate-passes * -Z no-vectorize-loops => -C no-vectorize-loops * -Z no-vectorize-slp => -C no-vectorize-slp * -Z soft-float => -C soft-float * -Z gen-crate-map => -C gen-crate-map * -Z prefer-dynamic => -C prefer-dynamic * -Z no-integrated-as => -C no-integrated-as As a bonus, this also promotes the -Z extra-debug-info flag to a first class -g or --debuginfo flag. * -Z debug-info => removed * -Z extra-debug-info => -g or --debuginfo Closes #9770 Closes #12000		2014-02-10 00:50:39 -08:00
man	Consolidate codegen-related compiler flags	2014-02-10 00:50:39 -08:00
mk	Consolidate codegen-related compiler flags	2014-02-10 00:50:39 -08:00
src	Consolidate codegen-related compiler flags	2014-02-10 00:50:39 -08:00
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AUTHORS.txt	Update extract-tests.py to use same test directives as rustdoc.	2014-01-28 14:52:36 -06:00
configure	Upgrade LLVM	2014-01-29 23:43:39 -08:00
CONTRIBUTING.md	Various READMEs and docs cleanup	2014-01-11 19:41:31 +01:00
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README.md	Remove rustpkg.	2014-02-02 03:08:56 -05:00
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README.md

The Rust Programming Language

This is a compiler for Rust, including standard libraries, tools and documentation.

Quick Start

Windows

Download and use the installer and MinGW.
Read the tutorial.
Enjoy!

Note: Windows users can read the detailed getting started notes on the wiki.

Linux / OS X

Make sure you have installed the dependencies:
- g++ 4.4 or clang++ 3.x
- python 2.6 or later (but not 3.x)
- perl 5.0 or later
- GNU make 3.81 or later
- curl
Download and build Rust:

You can either download a tarball or build directly from the repo.

To build from the tarball do:
```
 $ curl -O http://static.rust-lang.org/dist/rust-0.9.tar.gz
 $ tar -xzf rust-0.9.tar.gz
 $ cd rust-0.9
```
Or to build from the repo do:
```
 $ git clone https://github.com/mozilla/rust.git
 $ cd rust
```
Now that you have Rust's source code, you can configure and build it:
```
 $ ./configure
 $ make && make install
```
Note: You may need to use sudo make install if you do not normally have permission to modify the destination directory. The install locations can be adjusted by passing a --prefix argument to configure. Various other options are also supported, pass --help for more information on them.

When complete, make install will place several programs into /usr/local/bin: rustc, the Rust compiler, and rustdoc, the API-documentation tool. system.
Read the tutorial.
Enjoy!

Notes

Since the Rust compiler is written in Rust, it must be built by a precompiled "snapshot" version of itself (made in an earlier state of development). As such, source builds require a connection to the Internet, to fetch snapshots, and an OS that can execute the available snapshot binaries.

Snapshot binaries are currently built and tested on several platforms:

Windows (7, 8, Server 2008 R2), x86 only
Linux (2.6.18 or later, various distributions), x86 and x86-64
OSX 10.7 (Lion) or greater, x86 and x86-64

You may find that other platforms work, but these are our officially supported build environments that are most likely to work.

Rust currently needs about 1.5 GiB of RAM to build without swapping; if it hits swap, it will take a very long time to build.

There is a lot more documentation in the wiki.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.