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Correcting docs for building in Linux #58

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33 changes: 20 additions & 13 deletions Documentation/building/unix-instructions.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,37 +7,44 @@ Building ML.NET on Linux and macOS
3. Navigate to the `machinelearning` directory
4. Run the build script `./build.sh`

Calling the script `build.sh` builds both the native and managed code.
Calling the script `./build.sh` builds both the native and managed code.

For more information about the different options when building, run `build.sh -?` and look at examples in the [developer-guide](../project-docs/developer-guide.md).
For more information about the different options when building, run `./build.sh -?` and look at examples in the [developer-guide](../project-docs/developer-guide.md).

## Minimum Hardware Requirements
- 2GB RAM
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Can you add x64 here as well? We only support building on an x64 machine.

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Recommend adding ./ as "run ./build.sh -? " to remind users that they will need it.

- x64

## Prerequisites (native build)
## Prerequisites

### Linux

First, the package lists might need to be updated
The following components are needed:

`sudo apt-get update`
* git
* clang-3.9
* cmake 2.8.12
* libunwind8
* curl
* All the requirements necessary to run .NET Core 2.0 applications: libssl1.0.0 (1.0.2 for Debian 9) and libicu5x (libicu52 for ubuntu 14.x, libicu55 for ubuntu 16.x, and libicu57 for ubuntu 17.x). For more information on prerequisites in different linux distributions click [here](https://docs.microsoft.com/en-us/dotnet/core/linux-prerequisites?tabs=netcore2x).

On Linux, the following components are needed
e.g. for Ubuntu 16.x:

* CMake on the PATH
* Clang 3.5+ (same requirements as coreclr/corefx)
* All the requirements necessary to run .NET Core 2.0 applications
* libunwind
* curl
```sh
sudo apt-get update
sudo apt-get install git clang-3.9 cmake libunwind8 curl
sudo apt-get install libssl1.0.0 libicu55
```

### macOS

macOS 10.12 or higher is needed to build dotnet/machinelearning.

On macOS a few components are needed which are not provided by a default developer setup:
* CMake
* cmake 3.10.3
* All the requirements necessary to run .NET Core 2.0 applications. To view macOS prerequisites click [here](https://docs.microsoft.com/en-us/dotnet/core/macos-prerequisites?tabs=netcore2x).

One way of obtaining CMake is via [Homebrew](http://brew.sh):
```sh
$ brew install cmake
```
```