### Install Dependencies on macOS with Homebrew

Source: https://gitlab.com/libidn/libidn2/-/blob/master/CONTRIBUTING.md

Installs necessary build tools for Libidn2 on macOS using Homebrew.

```bash
brew install autoconf automake libtool gengetopt help2man texinfo
```

--------------------------------

### Install Dependencies on DNF/RPM Systems

Source: https://gitlab.com/libidn/libidn2/-/blob/master/CONTRIBUTING.md

Installs necessary build tools and development libraries for Libidn2 on Fedora/RHEL-based systems.

```bash
dnf install -y make gcc
dnf install -y git autoconf automake libtool gettext-devel patch gperf
dnf install -y libunistring-devel valgrind gengetopt help2man
dnf install -y texinfo texinfo-tex texlive gtk-doc dblatex
dnf install -y libabigail glibc-gconv-extra
```

--------------------------------

### Install Dependencies on APT/DPKG Systems

Source: https://gitlab.com/libidn/libidn2/-/blob/master/CONTRIBUTING.md

Installs necessary build tools and development libraries for Libidn2 on Debian-based systems.

```bash
apt-get install make gcc
apt-get install git autoconf automake libtool gettext autopoint gperf
apt-get install libunistring-dev valgrind gengetopt help2man
apt-get install texinfo texlive gtk-doc-tools
apt-get install abi-compliance-checker abigail-tools
```

--------------------------------

### Enable Code Coverage Build

Source: https://gitlab.com/libidn/libidn2/-/blob/master/README.md

Build the library with code coverage enabled. This requires LCOV to be installed.

```bash
./configure --enable-code-coverage
make && make check && make code-coverage-capture
```