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## Why #21255 added the standalone `codex-bwrap` binary. In the Cargo build, [`pkg_config::probe("libcap")`](a736cb55a2/codex-rs/bwrap/build.rs (L37-L39)) emits `-lcap` before [`cc::Build::compile("standalone_bwrap")`](a736cb55a2/codex-rs/bwrap/build.rs (L50-L67)) adds the static bwrap archive. The Linux musl link then sees `-lcap -lstandalone_bwrap`; because static archives are resolved left-to-right, `cap_from_name` is still undefined once `standalone_bwrap` introduces that reference. The musl setup already builds `libcap.a` and exposes it through [`libcap.pc`](a736cb55a2/.github/scripts/install-musl-build-tools.sh (L78-L88)), so the failure is link ordering rather than a missing dependency. ## What changed - probe `libcap` with `cargo_metadata(false)` so `pkg-config` does not emit its link flags early - emit the discovered `libcap` search paths and libraries after `standalone_bwrap` is compiled, preserving the needed static-link order ## Verification - `cargo test -p codex-bwrap` - `cargo clippy -p codex-bwrap --all-targets` The affected Linux musl release link is exercised by CI, which is the path this fix targets.
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.