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bors 4c39962d32 auto merge of #15005 : dotdash/rust/i1_bool, r=alexcrichton 
We currently compiled bools to i8 values, because there was a bug in
LLVM that sometimes caused miscompilations when using i1 in, for
example, structs.

Using i8 means a lot of unnecessary zero-extend and truncate operations
though, since we have to convert the value from and to i1 when using for
example icmp or br instructions. Besides the unnecessary overhead caused
by this, it also sometimes made LLVM miss some optimizations.

First, we have to fix some bugs concerning the handling of
attributes in foreign function declarations and calls. These
are required because the i1 type needs the ZExt attribute when
used as a function parameter or return type.

Then we have to update LLVM to get a bugfix without which LLVM
sometimes generates broken code when using i1.

And then, finally, we can switch bools over to i1.
2014-06-22 00:01:34 +00:00
man Update repo location 2014-06-16 18:16:36 -07:00
mk Test fixes from rollup 2014-06-16 19:05:08 -07:00
src auto merge of #15005 : dotdash/rust/i1_bool, r=alexcrichton 2014-06-22 00:01:34 +00:00
.gitattributes make sure jemalloc valgrind support is enabled 2014-05-11 20:05:22 -04:00
.gitignore Ignore /build even if it’s a symlink, but only at top-level. 2014-05-30 11:37:31 -07:00
.gitmodules add back jemalloc to the tree 2014-05-10 19:58:17 -04:00
.mailmap .mailmap: tolerate different names, emails in shortlog 2013-06-05 23:26:00 +05:30
.travis.yml travis: Don't use a local jemalloc 2014-06-12 16:12:37 -07:00
AUTHORS.txt Update AUTHORS.txt 2014-06-05 10:43:47 +02:00
configure alloc: Allow disabling jemalloc 2014-06-16 18:15:48 -07:00
CONTRIBUTING.md Update repo location 2014-06-16 18:16:36 -07:00
COPYRIGHT Update some copyright dates 2014-01-08 18:04:43 -08:00
LICENSE-APACHE Update license, add license boilerplate to most files. Remainder will follow. 2012-12-03 17:12:14 -08:00
LICENSE-MIT Change the licence holder to The Rust Project Developers 2014-05-03 23:59:24 +02:00
Makefile.in Update repo location 2014-06-16 18:16:36 -07:00
README.md Update repo location 2014-06-16 18:16:36 -07:00
RELEASES.txt Fix a/an typos 2014-05-01 20:02:11 -05:00

README.md

The Rust Programming Language

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

Quick Start

  1. Download a binary installer for your platform.
  2. Read the tutorial.
  3. Enjoy!

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

Building from Source

  1. Make sure you have installed the dependencies:

    • g++ 4.7 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
    • git

  2. 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-nightly.tar.gz
 $ tar -xzf rust-nightly.tar.gz
 $ cd rust-nightly

    Or to build from the repo do:

     $ git clone https://github.com/rust-lang/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.

  3. Read the tutorial.

  4. 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.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.