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doc(readme): add LLVM install instructions for Arch Linux #65

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Nov 26, 2019
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doc(readme): add LLVM install instructions for Arch Linux #65

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11 changes: 11 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,17 @@ runners](.github/actions/install-llvm/index.js):
# Ubuntu 18.04
sudo apt install llvm-7 llvm-7-* liblld-7*
```
* **Arch Linux** As its package manager doesn't have lld7, it's easier to download all binaries
manually.
```bash
# Download binaries for Ubuntu 14.04 (works across distros)
wget https://github.com/llvm/llvm-project/releases/download/llvmorg-7.1.0/clang+llvm-7.1.0-x86_64-linux-gnu-ubuntu-14.04.tar.xz
# Unpack to /usr/ directory
tar -xf clang+llvm-7.1.0-x86_64-linux-gnu-ubuntu-14.04.tar.xz -C /usr/
```
When running `llvm-config`, an error can occur signalling that `/usr/lib/libtinfo.so.5` is
missing. If a newer version is present, create a symlink; e.g. `ln -s /usr/lib/libtinfo.so.6
/usr/lib/libtinfo.so.5`), otherwise download the library.
* **macOS**: [Brew](https://brew.sh/) contains a binary distribution of LLVM 7.1.0. However, as it's
not the latest version, it won't be added to the path. We are using
[llvm-sys](https://crates.io/crates/llvm-sys) to manage version, but another option is to export
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