# Install gcl with Homebrew, apt, dnf, MacPorts, Nix

GNU Common Lisp. Version 2.7.1 via Homebrew; verified 2026-06-25.

## Install

```sh
sudo av install brew:gcl
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install gcl
```

  Evidence: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install gcl
```

  Evidence: MacPorts ports tree: lang/gcl/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Debian apt (92%):

```sh
sudo apt install gcl
```

  Evidence: Debian stable package indexes: gcl from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install gcl
```

  Evidence: Fedora Rawhide package metadata: gcl from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#gcl
```

  Evidence: nixpkgs package indexes: gcl from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix

## Package facts

- **Package key:** brew:gcl
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/gcl>
- **Version:** 2.7.1
- **Source summary:** GNU Common Lisp
- **Homepage:** <https://www.gnu.org/software/gcl/>
- **Repository:** <https://git.savannah.gnu.org/git/gcl.git>
- **Upstream docs:** <https://www.gnu.org/software/gcl>
- **License:** LGPL-2.0-or-later AND GPL-1.0-or-later AND LOOP
- **Source archive:** <https://ftpmirror.gnu.org/gcl/gcl-2.7.1.tar.gz>
- **Last updated:** 2026-06-25T13:37:42+02:00
- **Generated:** 2026-07-08T07:18:31+00:00

## Executables

- gcl (cli)
- gcl (alias)

## Dependencies

- gmp
- libtirpc

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_linux, x86_64_linux

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 2.7.1
- Package-manager updated: 2026-06-25
- Local data: ok
- Upstream repository: https://www.gnu.org/software/gcl/
- info: Release/tag comparison is only available for GitHub repositories.
## Project history and usage

GNU Common Lisp, usually packaged as GCL, is the GNU Project's Common Lisp implementation. Savannah describes it as a Common Lisp system compliant with CLtL1, with native-code compilation routed through the host C compiler.

### Project history

The current GNU hosting record places GCL inside the GNU Project and records the Savannah project registration on 9 December 2001. Its project description emphasizes portability and performance from compiling Lisp through the system C compiler, and notes Tcl/Tk GUI support.

### Adoption history

GCL is a mature GNU language implementation rather than a new tooling package. In package-manager terms, its value is mostly continuity: it remains a named Common Lisp implementation available to Unix-like package collections for users who need the GNU-hosted compiler.

### How it is used

Users run GCL as a Common Lisp compiler and interactive environment. The package is most relevant where CLtL1 compatibility, GNU provenance, and native-code generation through a local C compiler are more important than tracking the newest Common Lisp implementation fashions.

### Why package nerds care

GCL matters to package-history readers because it is a GNU Common Lisp with an older standards target and an implementation strategy that makes the host C compiler part of the portability story. That makes it useful context beside SBCL, CLISP, ECL, and other Lisp packages.

### Timeline

- 2001: Savannah records the GNU Common Lisp project registration.
- 2026: Savannah lists the project as part of GNU, licensed under the GNU Lesser General Public License, and in mature development status.

### Related projects

- GNU Project: umbrella project for GCL.
- Common Lisp implementations such as SBCL, CLISP, and ECL occupy adjacent package-manager space.
- Tcl/Tk is noted by Savannah as the GUI toolkit currently used by GCL.

### Sources

- <https://git.savannah.gnu.org/git/gcl.git>
- <https://savannah.gnu.org/projects/gcl>
- <https://www.gnu.org/software/gcl>


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** gcl
- **Version Scheme:** 0
- **Revision:** 0
- **Requirements:** linux
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Debian apt - gcl - 2.6.14-19: normalized package name match | Debian stable package indexes: gcl from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | GNU Common Lisp compiler | http://gnu.org/software/gcl
- Debian apt - gcl-doc - 2.6.14-19: normalized package name match | Debian stable package indexes: gcl-doc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Documentation for GNU Common Lisp | http://gnu.org/software/gcl
- Nix - gcl: normalized package name match | nixpkgs package indexes: gcl from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix
- Ubuntu apt - gcl - 2.6.14-8build1: normalized package name match | Ubuntu 24.04 LTS package indexes: gcl from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | GNU Common Lisp compiler | http://gnu.org/software/gcl
- Ubuntu apt - gcl-doc - 2.6.14-8build1: normalized package name match | Ubuntu 24.04 LTS package indexes: gcl-doc from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Documentation for GNU Common Lisp | http://gnu.org/software/gcl
- dnf - gcl - 2.7.1-9.fc45: normalized package name match | Fedora Rawhide package metadata: gcl from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | GNU Common Lisp | https://www.gnu.org/software/gcl/
- dnf - gcl-emacs - 2.7.1-9.fc45: normalized package name match | Fedora Rawhide package metadata: gcl-emacs from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Emacs mode for interacting with GCL | https://www.gnu.org/software/gcl/
- MacPorts - gcl: normalized package name match | MacPorts ports tree: lang/gcl/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Related links

- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [Language runtime packages](https://www.automicvault.com/pkg/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [clisp](https://www.automicvault.com/pkg/brew/clisp/) - Shares av.db curated category or tags: cli, common-lisp, compiler, gnu, language-runtime.
- [abcl](https://www.automicvault.com/pkg/brew/abcl/) - Shares av.db curated category or tags: cli, common-lisp, compiler, language-runtime.
- [ecl](https://www.automicvault.com/pkg/brew/ecl/) - Shares av.db curated category or tags: cli, common-lisp, compiler, language-runtime, lisp.
- [clozure-cl](https://www.automicvault.com/pkg/brew/clozure-cl/) - Shares av.db curated category or tags: cli, common-lisp, compiler, language-runtime.
- [roswell](https://www.automicvault.com/pkg/brew/roswell/) - Shares av.db curated category or tags: cli, common-lisp, language-runtime, lisp.
- [sbcl](https://www.automicvault.com/pkg/brew/sbcl/) - Shares av.db curated category or tags: cli, common-lisp, compiler, language-runtime.
- [kawa](https://www.automicvault.com/pkg/brew/kawa/) - Shares av.db curated category or tags: cli, compiler, gnu, language-runtime, lisp.
- [fennel](https://www.automicvault.com/pkg/brew/fennel/) - Shares av.db curated category or tags: cli, compiler, language-runtime, lisp.
- [mit-scheme](https://www.automicvault.com/pkg/brew/mit-scheme/) - Local package facts share a topical domain. Shared terms: cli, compiler, gnu, language, language-runtime.
- [gforth](https://www.automicvault.com/pkg/brew/gforth/) - Local package facts share a topical domain. Shared terms: cli, compiler, gnu, language, language-runtime.
- [gnu-smalltalk](https://www.automicvault.com/pkg/brew/gnu-smalltalk/) - Local package facts share a topical domain. Shared terms: cli, gmp, gnu, language, language-runtime.

## Combined YAML source

View the package source record on GitHub. [combined/gcl.yml](https://github.com/automic-vault/db/blob/main/combined/gcl.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- 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
