# Install avra with Homebrew, apk, apt, dnf, Nix

Assembler for the Atmel AVR microcontroller family. Version 1.4.2 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:avra
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install avra
```

  Evidence: local Homebrew formula metadata

### Linux

- apk (92%):

```sh
sudo apk add avra
```

  Evidence: Alpine Linux edge package indexes: avra from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install avra
```

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

- dnf (92%):

```sh
sudo dnf install avra
```

  Evidence: Fedora Rawhide package metadata: avra 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#avra
```

  Evidence: nixpkgs package indexes: pkgs/by-name/av/avra/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package facts

- **Package key:** brew:avra
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/avra>
- **Version:** 1.4.2
- **Source summary:** Assembler for the Atmel AVR microcontroller family
- **Homepage:** <https://github.com/Ro5bert/avra>
- **Repository:** <https://github.com/Ro5bert/avra>
- **Upstream docs:** <https://github.com/Ro5bert/avra/blob/master/CHANGELOG.md>
- **License:** GPL-2.0-or-later
- **Source archive:** <https://github.com/Ro5bert/avra/archive/refs/tags/1.4.2.tar.gz>
- **Generated:** 2026-07-08T18:08:21+00:00

## Executables

- avra (cli)
- avra (alias)

## Build dependencies

- autoconf
- automake

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 1.4.2
- Local data: ok
- Upstream repository: https://github.com/Ro5bert/avra
- Upstream latest detected: 1.4.2 (current)
- info: No package-manager update timestamp was available.
## Project history and usage

AVRA is a C99 assembler for Atmel AVR microcontrollers, intended to be mostly compatible with Atmel's AVRASM32 while remaining portable and packageable on Unix-like systems.

### Project history

The official README says the initial version of AVRA was written by John Anders Haugum, who released versions through 0.7. Tobias Weber later took over, followed by Burkhard Arenfeld for the 1.2 line and Jerry Jacobs for 1.3.

The changelog shows AVRA evolving from a late-1990s/early-2000s AVR assembler into a practical replacement for AVRASM32: COFF output, device definitions, macro improvements, AVRASM-compatible command-line behavior, include paths, Windows and Linux build fixes, and later regression tests.

After an eight-year inactive period following the 1.3 era, Virgil Dupras revived the project and prepared the 1.4 release. The current GitHub repository was created in 2019 and continues that revived maintenance line.

### Adoption history

AVRA's adoption follows the embedded-toolchain pattern: small C program, no daemon, useful in Makefiles, and easy to package. The batch input lists Alpine, Homebrew, Debian, Fedora, Nix, and Ubuntu packages.

Its reason to exist in package managers is compatibility. Developers with old AVR assembly projects or examples written for Atmel tooling can assemble them on Unix-like systems without installing the original Windows AVRASM32 environment.

### How it is used

The basic command is `avra mysource.S`, producing Intel HEX output by default. AVRA also supports list, map, object/debug output, include paths, C-like conditional directives, enhanced macros, build date meta tags, and a device list.

The README frames AVRA as a drop-in-ish replacement for AVRASM32, including error-message behavior intended to work with AVR Studio-style workflows.

### Why package nerds care

AVRA is package-manager-friendly embedded tooling: a standalone compiler-like binary that turns source into HEX files and does not require a vendor IDE.

It also represents the open-source preservation of AVR assembly workflows. Its changelog is full of small device database additions and compatibility fixes, exactly the maintenance work that keeps old microcontroller projects buildable.

### Timeline

- 1999: Version 0.4 added global labels in macros and parser fixes.
- 2000: Version 0.7 added many AVR devices, instruction support, and Intel HEX 32 output.
- 2004: Version 1.0.0 added AVRASM-compatible list/map syntax.
- 2006: Version 1.2.0 released by Burkhard Arenfeld.
- 2010: Version 1.3.0 released by Jerry Jacobs.
- 2019: Version 1.4.0 revived the project with build, macro, test, and device updates.
- 2020: Version 1.4.2 added more AVR devices and regression-test improvements.

### Related projects

- Atmel AVRASM32 is the compatibility target named by the AVRA README.
- AVR Studio is mentioned as a workflow target for AVRA error output and COFF debugging.

### Sources

- <https://github.com/Ro5bert/avra/blob/master/CHANGELOG.md>
- <https://github.com/Ro5bert/avra/blob/master/README.md>
- <https://github.com/Ro5bert/avra/blob/master/USAGE.md>
- source_facts.package-manager


## 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:** avra
- **Version Scheme:** 0
- **Revision:** 0
- **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 - avra - 1.4.2+dfsg-1: normalized package name match | Debian stable package indexes: avra from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | assembler for Atmel AVR microcontrollers | https://github.com/Ro5bert/avra
- Nix - avra: normalized package name match | nixpkgs package indexes: pkgs/by-name/av/avra/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - avra - 1.4.2+dfsg-1: normalized package name match | Ubuntu 24.04 LTS package indexes: avra from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | assembler for Atmel AVR microcontrollers | https://github.com/Ro5bert/avra
- apk - avra - 1.4.2-r0: normalized package name match | Alpine Linux edge package indexes: avra from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | Assembler for the Atmel AVR microcontroller family | https://github.com/Ro5bert/avra
- apk - avra-dev - 1.4.2-r0: normalized package name match | Alpine Linux edge package indexes: avra-dev from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | Assembler for the Atmel AVR microcontroller family (development files) | https://github.com/Ro5bert/avra
- dnf - avra - 1.4.2-12.fc44: normalized package name match | Fedora Rawhide package metadata: avra from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Atmel AVR assembler | https://github.com/Ro5bert/avra


## 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.
- [autoconf](https://www.automicvault.com/pkg/brew/autoconf/) - Build dependency declared by Homebrew.
- [automake](https://www.automicvault.com/pkg/brew/automake/) - Build dependency declared by Homebrew.
- [aarch64-elf-binutils](https://www.automicvault.com/pkg/brew/aarch64-elf-binutils/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [acme](https://www.automicvault.com/pkg/brew/acme/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [asm6809](https://www.automicvault.com/pkg/brew/asm6809/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [atasm](https://www.automicvault.com/pkg/brew/atasm/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [avrdude](https://www.automicvault.com/pkg/brew/avrdude/) - Shares av.db curated category or tags: avr, cli, developer-tools.
- [binutils](https://www.automicvault.com/pkg/brew/binutils/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [cc65](https://www.automicvault.com/pkg/brew/cc65/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [dasm](https://www.automicvault.com/pkg/brew/dasm/) - Shares av.db curated category or tags: assembler, cli, developer-tools.
- [bossa](https://www.automicvault.com/pkg/brew/bossa/) - Local package facts share a topical domain. Shared terms: atmel, cli, developer, developer-tools, microcontroller.
- [keystone](https://www.automicvault.com/pkg/brew/keystone/) - Local package facts share a topical domain. Shared terms: assembler, cli, developer, developer-tools.
- [spirv-tools](https://www.automicvault.com/pkg/brew/spirv-tools/) - Local package facts share a topical domain. Shared terms: assembler, cli, developer, developer-tools.

## Combined YAML source

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