https://github.com/dzbarsky/static-clang

Statically-linked clang distribution. Uses musl libc on Linux and only depends on libSystem on OSX
https://github.com/dzbarsky/static-clang

Last synced: about 8 hours ago
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Statically-linked clang distribution. Uses musl libc on Linux and only depends on libSystem on OSX

• Host: GitHub
• URL: https://github.com/dzbarsky/static-clang
• Owner: dzbarsky
• Created: 2023-09-26T15:06:00.000Z (about 1 year ago)
• Default Branch: master
• Last Pushed: 2024-07-15T04:04:39.000Z (4 months ago)
• Last Synced: 2024-08-03T09:06:04.026Z (4 months ago)
• Language: Starlark
• Homepage:
• Size: 2.29 MB
• Stars: 28
• Watchers: 3
• Forks: 1
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

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README

        
This repository builds a custom LLVM distribution that comes with statically linked tools (clang, lld, llvm-ar, llvm-as, llvm-nm, llvm-objcopy). This is the minimum set needed to use the outputs as a Bazel cc toolchain with https://github.com/grailbio/bazel-toolchain.

### Linux

On Linux, we link against musl libc.

### OSX

On OSX, fully statically linked executable is impossible. We dynamically link only libSystem.

## Usage

The easiest way to consume this is to check the [releases](https://github.com/dzbarsky/static-clang/releases) page for pre-built artifacts.

### Building from source

You can also compile from source as follows:

1. [Install Bazelisk](--remote_header=x-buildbuddy-api-key=)

2. (Optional, but highly recommended). Setup remote execution by making a free account with [Buildbuddy](https://app.buildbuddy.io/). Add the following to your `.bazelrc` or `~/.bazelrc`: `build --remote_header=x-buildbuddy-api-key=YOUR_KEY_HERE`

3. Build for your platform: `bazel build //:dist`

You can also cross-compile for a different platform:

- `bazel build //:for_darwin_amd64`

- `bazel build //:for_darwin_arm64`

- `bazel build //:for_linux_arm64_musl`

- `bazel build //:for_linux_amd64_musl`

- `bazel build //:for_all_platforms` (builds all of the above)

## Roadmap

This satifies my current needs, but I'm happy to tag additional releases as LLVM upstream releases them. I will probably add additional binaries that are used in Bazel as I need them: llvm-cov, llvm-dwp, llvm-objdump, llvm-profdata. I'm also open to adding extra pre-built artifacts with a more full set of tools (flang, clang-format, etc.) if there is interest.