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[DOC] Use install-modular-gc in gc/README.md

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Peter Zhu 2025-03-24 10:55:23 -04:00
parent 1427629a5f
commit eb3f73ae9c
Notes: git 2025-03-25 12:49:48 +00:00 
Merged: https://github.com/ruby/ruby/pull/12976
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gc/README.md
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@ -17,7 +17,7 @@ Two GC implementations are included in Ruby:
1. Configure Ruby with the `--with-modular-gc=<dir>` option, where `dir` is the directory you want to place the built GC libraries into. 1. Configure Ruby with the `--with-modular-gc=<dir>` option, where `dir` is the directory you want to place the built GC libraries into.
2. Build Ruby as usual. 2. Build Ruby as usual.
3. Build your desired GC implementation with `make modular-gc MODULAR_GC=<impl>`. This will build the GC implementation and place the built library into the `dir` specified in step 1. `impl` can be one of: 3. Build your desired GC implementation with `make install-modular-gc MODULAR_GC=<impl>`. This will build the GC implementation and place the built library into the `dir` specified in step 1. `impl` can be one of:
- `default`: The default GC that Ruby ships with. - `default`: The default GC that Ruby ships with.
- `mmtk`: The GC that uses [MMTk](https://www.mmtk.io/) as the back-end. See Ruby-specific details in the [ruby/mmtk](https://github.com/ruby/mmtk) repository. - `mmtk`: The GC that uses [MMTk](https://www.mmtk.io/) as the back-end. See Ruby-specific details in the [ruby/mmtk](https://github.com/ruby/mmtk) repository.
4. Run your desired GC implementation by setting the `RUBY_GC_LIBRARY=<lib>` environment variable, where `lib` could be `default`, `mmtk`, or your own implementation (as long as you place it in the `dir` specified in step 1). 4. Run your desired GC implementation by setting the `RUBY_GC_LIBRARY=<lib>` environment variable, where `lib` could be `default`, `mmtk`, or your own implementation (as long as you place it in the `dir` specified in step 1).