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# WASI SDK
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## Quick Start
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[Download SDK packages here.](https://github.com/CraneStation/wasi-sdk/releases)
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## About this repository
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This repository contains no compiler or library code itself; it uses
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git submodules to pull in the upstream Clang and LLVM tree, as well as the
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wasi-sysroot tree.
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The Sysroot portion of this SDK is the
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[wasi-sysroot](https://github.com/CraneStation/wasi-sysroot).
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Upstream Clang and LLVM 8.0 can compile for WASI out of the box, and WebAssembly
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support is included in them by default. So, all that's done here is to provide
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builds configured to set the default target and sysroot for convenience.
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One could also use a standard Clang 8.0, build a sysroot from the sources
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mentioned above, and compile with
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"--target=wasm32-wasi --sysroot=/path/to/sysroot".
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## Notes for Autoconf
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Upstream autoconf now
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[recognizes WASI](http://lists.gnu.org/archive/html/config-patches/2019-04/msg00001.html).
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For convenience when building packages that aren't yet updated, updated
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config.sub and config.guess files are installed at share/misc/config.\*
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in the install directory.
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