xenia/docs/building.md

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# Building
You must have a 64-bit machine for building and running the project. Always
run your system updater before building and make sure you have the latest
video drivers for your card.
## Setup
### Windows
* Windows 8 or 8.1
* Visual Studio 2013
* [Python 2.7](http://www.python.org/download/releases/2.7.6/)
* If you are on Windows 8, you will also need the [Windows 8.1 SDK](http://msdn.microsoft.com/en-us/windows/desktop/bg162891)
Ensure Python is in your PATH (`C:\Python27\`).
#### Debugging
VS behaves oddly with the debug paths. Open the xenia-run project properties
and set the 'Command' to `$(SolutionDir)$(TargetPath)` and the
'Working Directory' to `$(SolutionDir)..\..`. You can specify flags and
the file to run in the 'Command Arguments' field (or use `--flagfile=flags.txt`).
## xenia-build
A simple build script is included to manage basic tasks such as building
dependencies.
./xenia-build.py --help
On Windows the `xb.bat` file enables you to issue all commands by just typing
`xb`. Note that you should run everything from the root `xenia\` folder.
On Linux/OSX the `xeniarc` bash file has some aliases that save some
keypresses:
source xeniarc
xb -> python xenia-build.py
xbb -> python xenia-build.py build
xbc -> python xenia-build.py clean
### Commands
#### setup
Run this on initial checkout to pull down all dependencies and setup LLVM.
xb setup
#### pull
Does a `git pull` in addition to updating submodules and rebuilding dependencies
and gyp outputs. Use this, if possible, instead of git pull.
xb pull
#### gyp
Updates all of the supported gyp projects. If you're using Visual Studio or
Xcode to build or debug your projects you'll need to run this after you change
gyp/gypi files.
xb gyp
#### build
Builds all xenia targets using ninja. Release is built by default; specify
`--debug` to build the debug configuration.
xb build
xb build --debug
#### clean
Cleans just xenia outputs from the build/ directory. A following build will just
have the rebuild xenia and not all of the dependencies.
xb clean
#### nuke
Cleans up xenia outputs as well as all dependencies. A full build will be
required after this so only do this if you want to reclaim your disk space or
something is really wrong.
xb nuke
## Running
Use the wrapper shell scripts under `bin/` to run tools. They will ensure the
tools are built (but not that they are up to date) before running and allow
switching between the debug and release variants with `--debug`.
To make life easier you can use `--flagfile=myflags.txt` to specify all
arguments, including using `--target=my.xex` to pick an executable.
### xenia-info
Dumps information about a xex file.
./bin/xenia-info some.xex
### xenia-run
Runs a xex.
./bin/xenia-run some.xex