# 安装 libidn2

查看 libidn2 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

## 安装

```sh
sudo av install brew:libidn2
```

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install libidn2
```

  证据: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install libidn2
```

  证据: MacPorts ports tree: mail/libidn2/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add libidn2
```

  证据: Alpine Linux edge package indexes: libidn2 from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz

- dnf (92%):

```sh
sudo dnf install libidn2
```

  证据: Fedora Rawhide package metadata: libidn2 from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/13ee7b80cb813542594d4235c4a0b8695435d5ecf23dd3580bc7515ae1b6180d-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#libidn2
```

  证据: nixpkgs package indexes: libidn2 from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix

- pacman (92%):

```sh
sudo pacman -S libidn2
```

  证据: Arch Linux sync databases: libidn2 from https://geo.mirror.pkgbuild.com/core/os/x86_64/core.db.tar.gz

- Debian apt (92%):

```sh
sudo apt install idn2
```

  证据: Debian stable package indexes: idn2 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

## 软件包事实

- **软件包键:** brew:libidn2
- **软件包管理器:** Homebrew
- **软件包管理器页面:** <https://formulae.brew.sh/formula/libidn2>
- **版本:** 2.3.8
- **来源摘要:** International domain name library (IDNA2008, Punycode and TR46)
- **主页:** <https://www.gnu.org/software/libidn/#libidn2>
- **上游文档:** <https://www.gnu.org/software/libidn/#libidn2>
- **许可证:** (GPL-2.0-or-later OR LGPL-3.0-or-later) AND (Unicode-TOU AND Unicode-DFS-2016) AND GPL-3.0-or-later AND LGPL-2.1-or-later AND FSFAP-no-warranty-disclaimer
- **源码归档:** <https://ftpmirror.gnu.org/gnu/libidn/libidn2-2.3.8.tar.gz>
- **生成来源:** 2026-05-26T17:25:59+00:00

## 可执行文件

- idn2 (cli)
- idn2 (别名)

## 依赖

- gettext
- libunistring

## 构建依赖

- pkgconf

## 安装行为

- post-install 钩子: 未定义
- Bottle: 可用 于 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux

## 新鲜度

- 页面生成时间: 2026-05-26
- 管理器版本: 2.3.8
- 本地数据: ok
- 上游仓库: https://www.gnu.org/software/libidn/#libidn2
- info: No package-manager update timestamp was available.
- info: Release/tag comparison is only available for GitHub repositories.

## 安全说明

library-like package without higher-risk signals.

- **Geiger 风险:** green / low
- library-like package without higher-risk signals

## 相关链接

- [gettext](https://www.automicvault.com/pkg/brew/gettext/) - Runtime dependency declared by Homebrew.
- [libunistring](https://www.automicvault.com/pkg/brew/libunistring/) - Runtime dependency declared by Homebrew.
- [pkgconf](https://www.automicvault.com/pkg/brew/pkgconf/) - Build dependency declared by Homebrew.
- [gnutls](https://www.automicvault.com/pkg/brew/gnutls/) - Popular package that depends on this formula.
- [wget](https://www.automicvault.com/pkg/brew/wget/) - Popular package that depends on this formula.
- [libpsl](https://www.automicvault.com/pkg/brew/libpsl/) - Popular package that depends on this formula.
- [bind](https://www.automicvault.com/pkg/brew/bind/) - Popular package that depends on this formula.
- [inetutils](https://www.automicvault.com/pkg/brew/inetutils/) - Popular package that depends on this formula.
- [lftp](https://www.automicvault.com/pkg/brew/lftp/) - Popular package that depends on this formula.
- [whois](https://www.automicvault.com/pkg/brew/whois/) - Popular package that depends on this formula.
- [mutt](https://www.automicvault.com/pkg/brew/mutt/) - Popular package that depends on this formula.
- [libidn](https://www.automicvault.com/pkg/brew/libidn/) - Package name indicates the same formula family.

## 来源

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- package relationship graph
- cross-ecosystem install command graph