let
  pkgs = import <nixpkgs> {};
in
pkgs.stdenv.mkDerivation {
  pname = "libinput-scroll-emulation";
  version = "1.0.0";
  buildInputs = [ pkgs.libinput ];

  src = pkgs.fetchFromGitHub {
    owner = "PeterCxy";
    repo = "scroll-emulation";
    rev = "e5f0332a860ddca8b1dd647403fc99d96247f804";
    sha256 = "13dwa6jij8d4maq7chvmkxazp8mrd5mfm0lcfb94r914da8a6dxf";
  };

  buildPhase = ''
    make CFLAGS='-shared -ldl -linput -fPIC' hook
  '';

  installPhase = ''
    mkdir -p $out/lib 
    mv ./hook $out/lib/scroll-hook.so
  '';

  meta = with pkgs.stdenv.lib; {
    homepage = "https://github.com/PeterCxy/scroll-emulation";
    description = "A simple hack to use middle button scrolling emulation under GNOME Wayland (and other Wayland compositors that do not expose libinput configuration).";
    license = licenses.free;  # Derivative of GPL
    platforms = platforms.all;
  };
}

LibreSSL releases contain several parts:

libcrypto: a library of cryptography fundamentals
libssl: a TLS library
libtls: a new TLS library, designed to make it easier to write foolproof applications
Various utilities such as openssl(1), **nc(1)**, and ocspcheck(8).