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pront merged 2 commits into from
Oct 8, 2026
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docs(vrl playground): document macOS wasm build workaround #26550

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docs(vrl playground): document macOS wasm build workaround
thomasqueirozb Oct 5, 2026
6fe74e1
Update lib/vector-vrl/web-playground/README.md
thomasqueirozb Oct 8, 2026
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12 changes: 11 additions & 1 deletion lib/vector-vrl/web-playground/README.md
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Expand Up @@ -72,7 +72,17 @@ with this [issue filter][vrl-wasm-unsupported-filter].

### macOS Troubleshooting

If you are getting compilation errors on macOS here are some things to check:
If compilation fails because the selected C compiler does not support the
`wasm32-unknown-unknown` target, try a compiler with WebAssembly support, such
as Homebrew LLVM. The following command explicitly selects that toolchain.

```shell
CC_wasm32_unknown_unknown="$(brew --prefix llvm)/bin/clang" \
AR_wasm32_unknown_unknown="$(brew --prefix llvm)/bin/llvm-ar" \
wasm-pack build --target web --out-dir public/pkg
```

If you are getting other compilation errors on macOS here are some things to check:

```shell
xcode-select -p
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1 change: 1 addition & 0 deletions lib/vector-vrl/web-playground/public/LICENSE
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@@ -0,0 +1 @@
../../../../LICENSE
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