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bors fbd8f4a3a3 auto merge of #13954 : aturon/rust/issue-11650, r=alexcrichton ## Process API The existing APIs for spawning processes took strings for the command and arguments, but the underlying system may not impose utf8 encoding, so this is overly limiting. The assumption we actually want to make is just that the command and arguments are viewable as [u8] slices with no interior NULLs, i.e., as CStrings. The ToCStr trait is a handy bound for types that meet this requirement (such as &str and Path). However, since the commands and arguments are often a mixture of strings and paths, it would be inconvenient to take a slice with a single T: ToCStr bound. So this patch revamps the process creation API to instead use a builder-style interface, called `Command`, allowing arguments to be added one at a time with differing ToCStr implementations for each. The initial cut of the builder API has some drawbacks that can be addressed once issue #13851 (libstd as a facade) is closed. These are detailed as FIXMEs. ## Dynamic library API `std::unstable::dynamic_library::open_external` currently takes a `Path`, but because `Paths` produce normalized strings, this can change the semantics of lookups in a given environment. This patch generalizes the function to take a `ToCStr`-bounded type, which includes both `Path`s and `str`s. ## ToCStr API Adds ToCStr impl for &Path and ~str. This is a stopgap until DST (#12938) lands. Until DST lands, we cannot decompose &str into & and str, so we cannot usefully take ToCStr arguments by reference (without forcing an additional & around &str). So we are instead temporarily adding an instance for &Path and ~str, so that we can take ToCStr as owned. When DST lands, the &Path instance should be removed, the string instances should be revisted, and arguments bound by ToCStr should be passed by reference. FIXMEs have been added accordingly. ## Tickets closed Closes #11650. Closes #7928.		2014-05-15 08:36:50 -07:00
man	Get rid of the android-cross-path flag to rustc.	2014-05-14 02:16:14 -04:00
mk	Get rid of the android-cross-path flag to rustc.	2014-05-14 02:16:14 -04:00
src	auto merge of #13954 : aturon/rust/issue-11650, r=alexcrichton	2014-05-15 08:36:50 -07:00
.gitattributes	make sure jemalloc valgrind support is enabled	2014-05-11 20:05:22 -04:00
.gitignore
.gitmodules	add back jemalloc to the tree	2014-05-10 19:58:17 -04:00
.mailmap
.travis.yml
AUTHORS.txt	Add Richo Healey to contributors	2014-05-05 20:49:50 -07:00
configure	add back jemalloc to the tree	2014-05-10 19:58:17 -04:00
CONTRIBUTING.md	Updated CONTRIBUTING.md for 2014	2014-05-05 15:46:10 -05:00
COPYRIGHT
LICENSE-APACHE
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Makefile.in
README.md
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README.md

The Rust Programming Language

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

Quick Start

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

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

Building from Source

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
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/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.