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Fix installation and usage instructions in README.md #488

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merged 4 commits into from
Sep 18, 2024
Merged

Fix installation and usage instructions in README.md #488

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1fc85c8
Add missing architecture URL part to the installation script
seclerp Sep 13, 2024
868ea56
Remove unnecessary `export`s from installation instructions
seclerp Sep 17, 2024
23d1194
Fix missing $ sign in export
seclerp Sep 18, 2024
ab0b8fc
Add `WASI_OS` as new parameter to use & install scripts in README
seclerp Sep 18, 2024
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12 changes: 7 additions & 5 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -132,18 +132,20 @@ see [RELEASING.md](RELEASING.md).
A typical installation from the release binaries might look like the following:

```shell script
export WASI_VERSION=20
export WASI_VERSION_FULL=${WASI_VERSION}.0
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VERSION}/wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz
tar xvf wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz
WASI_OS=linux
WASI_ARCH=x86_64
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WASI_VERSION=24
WASI_VERSION_FULL=${WASI_VERSION}.0
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VERSION}/wasi-sdk-${WASI_VERSION_FULL}-${WASI_ARCH}-${WASI_OS}.tar.gz
tar xvf wasi-sdk-${WASI_VERSION_FULL}-${WASI_ARCH}-${WASI_OS}.tar.gz
```

## Use

Use the clang installed in the `wasi-sdk` directory:

```shell script
export WASI_SDK_PATH=`pwd`/wasi-sdk-${WASI_VERSION_FULL}
WASI_SDK_PATH=`pwd`/wasi-sdk-${WASI_VERSION_FULL}-${WASI_ARCH}-${WASI_OS}
CC="${WASI_SDK_PATH}/bin/clang --sysroot=${WASI_SDK_PATH}/share/wasi-sysroot"
$CC foo.c -o foo.wasm
```
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