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README: Document manual LLVM source management #76

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Mar 26, 2020
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README: Document manual LLVM source management #76

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README: Document manual LLVM source management
nathanchance Mar 25, 2020
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README: Mention an example of how to manually manage the repo
nathanchance Mar 26, 2020
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6 changes: 5 additions & 1 deletion README.md
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Expand Up @@ -87,7 +87,11 @@ Python 3.5.3+ is recommended, as that is what the script has been tested against

## build-llvm.py

By default, `./build-llvm.py` will clone LLVM, grab the latest binutils tarball (for the LLVMgold.so plugin), and build LLVM, clang, and lld, and install them into `install`. Run `./build-llvm.py -h` for more options.
By default, `./build-llvm.py` will clone LLVM, grab the latest binutils tarball (for the LLVMgold.so plugin), and build LLVM, clang, and lld, and install them into `install`.

The script automatically clones and manages the [`llvm-project`](https://github.com/llvm/llvm-project). If you would like to do this management yourself, such as downloading a release tarball from [releases.llvm.org](https://releases.llvm.org/), doing a more aggressive shallow clone (versus what is done in the script via `--shallow-clone`), or doing a bisection of LLVM, you just need to make sure that your source is in an `llvm-project` folder within the root of this repository and pass `--no-update` into the script.

Run `./build-llvm.py -h` for more options and information.

## build-binutils.py

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