failed to compile bubblewrap for Linux target: {err}

Error message

failed to compile bubblewrap for Linux target: {err}

What it means

Error "failed to compile bubblewrap for Linux target: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/bwrap/build.rs:28

    println!("cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR");
    println!("cargo:rerun-if-env-changed=CODEX_SKIP_BWRAP_BUILD");

    let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap_or_default());
    let vendor_dir = manifest_dir.join("../vendor/bubblewrap");
    for source in ["bubblewrap.c", "bind-mount.c", "network.c", "utils.c"] {
        println!(
            "cargo:rerun-if-changed={}",
            vendor_dir.join(source).display()
        );
    }

    let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap_or_default();
    if target_os != "linux" || env::var_os("CODEX_SKIP_BWRAP_BUILD").is_some() {
        return;
    }

    if let Err(err) = try_build_bwrap() {
        panic!("failed to compile bubblewrap for Linux target: {err}");
    }
}

fn try_build_bwrap() -> Result<(), String> {
    let manifest_dir =
        PathBuf::from(env::var("CARGO_MANIFEST_DIR").map_err(|err| err.to_string())?);
    let out_dir = PathBuf::from(env::var("OUT_DIR").map_err(|err| err.to_string())?);
    let src_dir = resolve_bwrap_source_dir(&manifest_dir)?;
    let libcap = pkg_config::Config::new()
        .cargo_metadata(false)
        .probe("libcap")
        .map_err(|err| format!("libcap not available via pkg-config: {err}"))?;

    let config_h = out_dir.join("config.h");
    std::fs::write(
        &config_h,
        r#"#pragma once
#define PACKAGE_STRING "bubblewrap built for Codex"

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/bwrap/build.rs:28 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/915f84b8b4873cc1. Report an issue: GitHub.