Merge remote-tracking branch 'abrown/add-documentation' into pch/stage_release_9

pull/114/head
Pat Hickey 6 years ago
commit 462f65b235

@ -24,6 +24,24 @@ One could also use a standard Clang installation, build a sysroot from the
sources mentioned above, and compile with
"--target=wasm32-wasi --sysroot=/path/to/sysroot".
## Install
A typical installation from the release binaries might look like the following:
```shell script
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-[VERSION]/wasi-sdk-[VERSION]-linux.tar.gz
tar xvf wasi-sdk-[VERSION]-linux.tar.gz
```
## Use
Use the clang installed in the wasi-sdk directory:
```shell script
CC="[WASI_SDK_PATH]/bin/clang --sysroot=[WASI_SDK_PATH]/share/wasi-sysroot"
$CC foo.c -o foo.wasm
```
Note: `[WASI_SDK_PATH]/share/wasi-sysroot` contains the WASI-specific includes/libraries/etc. The `--sysroot=...` option
is not necessary if `WASI_SDK_PATH` is `/opt/wasi-sdk`.
## Notes for Autoconf
Upstream autoconf now

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