# aarch64-elf-binutils を Homebrew, MacPorts でインストール

aarch64-elf-binutils のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:aarch64-elf-binutils
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install aarch64-elf-binutils
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install aarch64-elf-binutils
```

  証拠: MacPorts ports tree: cross/aarch64-elf-binutils/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

## パッケージ情報

- **パッケージキー:** brew:aarch64-elf-binutils
- **パッケージマネージャ:** Homebrew
- **バージョン:** 2.47
- **ソース概要:** GNU Binutils for aarch64-elf cross development
- **ホームページ:** <https://www.gnu.org/software/binutils/>
- **最終更新:** 2026-07-29T14:10:12Z
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- aarch64-elf-addr2line (エイリアス)
- aarch64-elf-ar (エイリアス)
- aarch64-elf-as (エイリアス)
- aarch64-elf-c++filt (エイリアス)
- aarch64-elf-elfedit (エイリアス)
- aarch64-elf-gprof (エイリアス)
- aarch64-elf-ld (エイリアス)
- aarch64-elf-ld.bfd (エイリアス)
- aarch64-elf-nm (エイリアス)
- aarch64-elf-objcopy (エイリアス)
- aarch64-elf-objdump (エイリアス)
- aarch64-elf-ranlib (エイリアス)
- aarch64-elf-readelf (エイリアス)
- aarch64-elf-size (エイリアス)
- aarch64-elf-strings (エイリアス)
- aarch64-elf-strip (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 2.47
## プロジェクトの歴史と使われ方

aarch64-elf-binutils is Homebrew's target-prefixed packaging of GNU Binutils for AArch64 bare-metal cross development. It provides the assembler, linker, archive tools, object-file inspection tools, and related utilities under aarch64-elf-* executable names.

### プロジェクトの歴史

GNU Binutils is maintained in Sourceware's combined binutils-gdb.git repository, whose official gitweb summary describes the repository as gdb and binutils and publishes an HTTPS repository URL. The current Sourceware Binutils documentation is generated from the Binutils 2.46 sources and covers gas, ld, BFD, libctf, gprof, gprofng, SFrame, and the binary utilities manual.

The Homebrew formula is not a fork of Binutils; it packages the GNU release for the aarch64-elf target. As of the official Homebrew formula API checked for this batch, the stable formula uses GNU Binutils 2.46.1.

### 採用の歴史

Target-prefixed Binutils packages became a standard packaging pattern for cross development because they let multiple toolchains coexist without shadowing host tools such as as, ld, ar, objdump, or readelf. Homebrew exposes this convention directly through executables such as aarch64-elf-as, aarch64-elf-ld, aarch64-elf-objcopy, and aarch64-elf-readelf.

Homebrew analytics in the official formula API show the package is a niche but active cross-toolchain component, with installs tracked separately from the host binutils formula.

### 使われ方

Users install aarch64-elf-binutils when they need to assemble, link, convert, inspect, strip, or archive objects for AArch64 ELF targets outside the host operating system ABI. It is commonly paired with a matching cross GCC and, when debugging is needed, a target-matched GDB.

The package's target prefix matters operationally: build systems and cross-compilers can call aarch64-elf-as or aarch64-elf-ld explicitly, avoiding accidental use of platform-native tools.

### パッケージ好きにとっての重要性

For package-manager users, this formula is the low-level base of an AArch64 bare-metal toolchain. Getting the target triplet, prefix, and Binutils/GCC pairing right is the difference between a reproducible cross build and a host-tool leak that fails later in the build.

Package nerds care because Binutils packages are both leaf CLI tools and dependency infrastructure: they expose many small executables, interact closely with compiler specs, and often need to be versioned in step with cross compilers.

### タイムライン

- 2026: Sourceware's current Binutils documentation is generated from the Binutils 2.46 sources.
- 2026: Sourceware git tags list an official GNU Binutils 2.46.1 release.
- 2026: Homebrew's aarch64-elf-binutils formula packages GNU Binutils 2.46.1 for aarch64-elf cross development.

### Related projects

- GCC commonly consumes Binutils as the assembler/linker layer in GNU cross-toolchains.
- GDB shares Sourceware's binutils-gdb.git repository with Binutils.
- The aarch64-elf-gcc and aarch64-elf-gdb Homebrew formulae are natural companions for this target-specific Binutils package.

### ソース

- <https://formulae.brew.sh/api/formula/aarch64-elf-binutils.json>
- <https://sourceware.org/binutils/docs/>
- <https://sourceware.org/git/?p=binutils-gdb.git;a=summary>


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## 他のパッケージマネージャ記録

- MacPorts - aarch64-elf-binutils: normalized package name match | MacPorts ports tree: cross/aarch64-elf-binutils/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/aarch64-elf-binutils.yml](https://github.com/mxcl/pkgdb/blob/main/combined/aarch64-elf-binutils.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph