Fix no-onig no-wasm builds #1772
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Now, you can build with: ``` --no-default-features --features=fancy-regex ``` Which previously didn't work. You had to enable the `unstable_wasm` flag. I think using `fancy_regex` without wasm is a valid use-case, as I've seen extremely slow build times using `onig`. See: huggingface#1730 Onig also breaks, sometimes, with compiler updates. See: huggingface#1771 Closes huggingface#1729
mmoskal
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May 6, 2025
The version of Oniguruma used in `onig_sys` doesn't build on GCC 15 and the oniguruma project itself got archived last week, so this PR switches tokenizers to the fancy-regex backend. `fancy-regex` also requires flipping on the `unstable_wasm` feature until huggingface/tokenizers#1772 lands, that flag doesn't have any ill effects though since everything WASM related downstream is behind `target_arch` checks. **tl;dr**: This fixes builds on Linux distros with newer GCC versions like Arch Linux and Fedora.
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Now, you can build with:
Which previously didn't work. You had to enable the
unstable_wasmflag.I think using
fancy_regexwithout wasm is a valid use-case, as I've seen extremely slow build times usingonig.See: #1730
Onig also breaks, sometimes, with compiler updates. See: #1771
Closes #1729