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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 2015
+* [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\`).
+
+I recommend using [Cmder](http://cmder.net/) for git and command
+line usage.
+
+#### Debugging
+
+VS behaves oddly with the debug paths. Open the xenia 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`).
+
+By default logs are written to a file with the name of the executable. You can
+override this with `--log_file=log.txt`.
+
+If running under Visual Studio and you want to look at the JIT'ed code
+(available around 0xA0000000) you should pass `--emit_source_annotations` to
+get helpful spacers/movs in the disassembly.
+
+### Linux
+
+Linux support is extremely experimental and presently incomplete.
+
+The build script uses LLVM/Clang 3.8. GCC should also work, but is not easily
+swappable right now.
+
+[CodeLite](http://codelite.org) is the IDE of choice and `xb premake` will spit
+out files for that. Make also works via `xb build`.
+
+To get the latest Clang on an ubuntu system:
+
+```
+sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
+curl -sSL "http://llvm.org/apt/llvm-snapshot.gpg.key" | sudo -E apt-key add -
+echo "deb http://llvm.org/apt/precise/ llvm-toolchain-precise main" | sudo tee -a /etc/apt/sources.list > /dev/null
+sudo -E apt-get -yq update &>> ~/apt-get-update.log
+sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install clang-3.8 clang-format-3.8
+```
+
+## Running
+
+To make life easier you can use `--flagfile=myflags.txt` to specify all
+arguments, including using `--target=my.xex` to pick an executable.