36 lines
1.1 KiB
Markdown
36 lines
1.1 KiB
Markdown
Building modern Zig from the original C++ implementation
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This repository explores building Zig from the C++ implementation without using
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binary blobs. [Forum post goes with this][1].
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Clone zig and prune binary files from history:
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```
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$ git clone https://github.com/ziglang/zig zig2
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$ cd zig2
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$ git config user.name "$(git config --get user.name)"
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$ git config user.email "$(git config --get user.email)"
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$ git filter-repo --prune-empty=never --prune-degenerate never --invert-paths --path-glob 'stage1/zig1.wasm*' --path stage1/zig1.c
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```
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Now build an isolated container with a bunch of zig historic dependencies:
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```
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$ docker build -t zig-repro .
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$ docker run -ti --rm --name zig-repro \
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-v ~/code:/x \
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-v /home/$USER/.cache/zig:/home/$USER/.cache/zig \
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-w /x/zig2 \
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zig-repro \
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sh -c "useradd -s /bin/bash -u $UID $USER && su $USER; bash"
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```
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And run the thing in the container:
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```
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$ ../zig-repro/run
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```
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[1]: https://ziggit.dev/t/building-self-hosted-from-the-original-c-implementation/6607/11
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