# Install octobuild with Homebrew, winget Compiler cache for Unreal Engine. Version 1.8.1 via Homebrew; verified 2026-06-22. ## Install ```sh sudo av install brew:octobuild ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install octobuild ``` Evidence: local Homebrew formula metadata ### Windows - winget (92%): ```sh winget install --id octobuild.octobuild -e ``` Evidence: Windows Package Manager source index: octobuild.octobuild from https://cdn.winget.microsoft.com/cache/source.msix ## Package facts - **Package key:** brew:octobuild - **Package manager:** Homebrew - **Package manager page:** - **Version:** 1.8.1 - **Source summary:** Compiler cache for Unreal Engine - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** MIT - **Source archive:** - **Last updated:** 2026-06-22T14:05:40-07:00 - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - ib_console (cli) - octo_agent (cli) - octo_builder (cli) - octo_cl (cli) - octo_clang (cli) - octo_coordinator (cli) - xgConsole (cli) - ib_console (alias) - octo_agent (alias) - octo_builder (alias) - octo_cl (alias) - octo_clang (alias) - octo_coordinator (alias) - xgConsole (alias) ## Build dependencies - pkgconf - rust ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 1.8.1 - Package-manager updated: 2026-06-22 - Local data: ok - Upstream repository: https://github.com/octobuild/octobuild - Upstream latest detected: 1.8.1 (current) ## Project history and usage octobuild is a Rust-based compiler cache for Unreal Engine and Unreal Engine-based game projects. It aims to speed recompilation by caching intermediate compilation files and replaying cache hits instead of recompiling the same work. ### Project history The GitHub repository presents octobuild as a compiler cache for Unreal Engine, with a changelog starting at version 0.1.0 as the first release. Subsequent versions added cache statistics, configuration files, Linux fixes, response-file support, Windows and macOS improvements, PlayStation and Xbox fixes, Android support, Emscripten support, and compatibility updates for Unreal Engine 5.1 through 5.6-era compiler flags. The repository organization is focused and small: the main project is `octobuild`, with related Rust infrastructure repositories for daemon/service wrapping and IPC. Public GitHub metadata and the README identify Rust as the implementation language and MIT as the license. ### Adoption history octobuild is more specialized than general compiler caches such as ccache or sccache, but it is packaged in places where Unreal Engine developers can reach it: Homebrew, WinGet, Chocolatey, manual MSI installers, and Debian/Ubuntu package instructions from the project README. Its adoption story is tied to Unreal’s expensive C++ rebuild loop rather than broad language-wide compiler caching. The README advertises 60-90% reductions in recompilation time for Unreal Engine and UE-based games, and third-party Unreal developer writing describes the practical value as faster branch switching and easier engine recompilation. ### How it is used Users install octobuild into a development machine or build worker and let its Unreal-compatible wrapper commands intercept compiler work. The executable set includes `octo_builder`, `octo_agent`, `octo_coordinator`, `octo_cl`, `octo_clang`, `xgConsole`, and `ib_console`, reflecting compatibility with Unreal, MSVC/Clang-style compile invocations, and Incredibuild-like command surfaces. The changelog shows the operational edge cases packagers and build engineers care about: response files, cache-key compiler identifiers, service permissions for remote SSH users, readonly or disabled caching modes, cross-compilation, platform-specific compiler flags, and default cache/config path changes on Windows, Linux, and macOS. ### Why package nerds care octobuild is interesting because it is not a generic build accelerator; it encodes a very specific game-engine build workflow into a packageable command suite. For package nerds, it demonstrates how a niche developer tool crosses OS package managers, Windows app installers, CI/build-farm concerns, and compatibility shims for proprietary engine build systems. ### Timeline - 0.1.0: first release according to the project changelog. - 0.4.0: response-file support, Unreal Engine 5.1 compatibility, environment-variable configuration, and changed default cache/config paths. - 0.5.0: initial macOS support. - 0.8.0: compiler identifier added to the cache key. - 1.0.0: PlayStation support for Unreal Engine 5.3 builds. - 1.5.0: Unreal Engine 5.5 support for Windows builds. - 1.8.0 and 1.8.1: Unreal Engine 5.6-era compiler flag support. ### Related projects - octobuild sits next to Unreal Build Tool workflows, MSVC `cl.exe`, Clang, Incredibuild-style command names, and general compiler-cache tools such as ccache and sccache, but its repository is explicitly tuned for Unreal Engine recompilation. ### Sources - - - - - - source_facts.config-file-location - source_facts.executables - source_facts.package-manager ## Security Notes No matching local secret-handling manifest was found for octobuild. Nucleus package metadata is still published here so future coverage has a stable package URL. ## Configuration and credential file locations These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval. ## Configuration files - Linux: /etc/octobuild/octobuild.conf, $XDG_CONFIG_HOME/octobuild/octobuild.conf, ~/.config/octobuild/octobuild.conf - macOS: /etc/octobuild/octobuild.conf, ~/Library/Application Support/octobuild/octobuild.conf - Windows: %ProgramData%\octobuild\octobuild.conf, %AppData%\octobuild\octobuild.conf ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** octobuild - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - winget - octobuild.octobuild: normalized package name match | Windows Package Manager source index: octobuild.octobuild from https://cdn.winget.microsoft.com/cache/source.msix ## Related links - [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata. - [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew. - [rust](https://www.automicvault.com/pkg/brew/rust/) - Build dependency declared by Homebrew. - [ccache](https://www.automicvault.com/pkg/brew/ccache/) - Shares av.db curated category or tags: build-cache, build-tools, cli, compiler-cache, developer-tools. - [mako](https://www.automicvault.com/pkg/brew/mako/) - Shares av.db curated category or tags: build-tools, cli, developer-tools, rust. - [maturin](https://www.automicvault.com/pkg/brew/maturin/) - Shares av.db curated category or tags: build-tools, cli, developer-tools, rust. - [moon](https://www.automicvault.com/pkg/brew/moon/) - Shares av.db curated category or tags: build-tools, cli, developer-tools, rust. - [recc](https://www.automicvault.com/pkg/brew/recc/) - Shares av.db curated category or tags: build-tools, cli, compiler-cache, developer-tools. - [aarch64-elf-binutils](https://www.automicvault.com/pkg/brew/aarch64-elf-binutils/) - Shares av.db curated category or tags: build-tools, cli, developer-tools. - [add-determinism](https://www.automicvault.com/pkg/brew/add-determinism/) - Shares av.db curated category or tags: build-tools, cli, developer-tools. - [ant](https://www.automicvault.com/pkg/brew/ant/) - Shares av.db curated category or tags: build-tools, cli, developer-tools. - [sccache](https://www.automicvault.com/pkg/brew/sccache/) - Local metadata places this package in an adjacent workflow. Shared terms: build, build-cache, cache, cli, compiler. - [cargo-chef](https://www.automicvault.com/pkg/brew/cargo-chef/) - Both packages touch the same language runtime or ecosystem. Shared terms: build, build-cache, cache, cli, developer. ## Combined YAML source View the package source record on GitHub. [combined/octobuild.yml](https://github.com/automic-vault/db/blob/main/combined/octobuild.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated configuration and credential file locations - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph