Remove wasmtime link dep on libm #9100
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alexcrichton
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Aug 12, 2024
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CI overrides the linker with a musl-gcc install. I'm not sure why, ...
This is because our build containers are all Ubuntu so the default linker uses glibc instead of musl. The musl-gcc package is sort of a few wrapper scripts to tell the linker to link musl instead of glibc. In your distro it might be musl-based so this all happens by default perhaps?
In any case looks good to me, now I'm not sure why I needed this but maybe I got something wrong while developing this and accidentally thought it was required.
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This was introduced in #8668 but it doesn't appear to be necessary, and its presence breaks wasmtime-cli builds for x86_64-unknown-linux-musl on linux (tested with AWS2023, a redhat derivative) when using the default linker.
CI overrides the linker with a
musl-gccinstall. I'm not sure why, and at least in my project, we build without using the musl-gcc linker and everything works perfectly, and adopting that strategy broke something in a way I couldn't debug. So, I'd like it for CI to test the musl build with the default linker as well, to catch issues like this one. The CI matrix / docker configuration is pretty complicated and I was gonna consult with @alexcrichton on the best way to add this check.