{
  lib,
  stdenv,
  fetchurl,
  pkg-config,
  libevent,
  libiconv,
  openssl,
  pcre,
  zlib,
  odbcSupport ? true,
  unixODBC,
  snmpSupport ? stdenv.buildPlatform == stdenv.hostPlatform,
  net-snmp,
  sshSupport ? true,
  libssh2,
  sqliteSupport ? false,
  sqlite,
  mysqlSupport ? false,
  libmysqlclient,
  postgresqlSupport ? false,
  postgresql,
}:

# ensure exactly one database type is selected
assert mysqlSupport -> !postgresqlSupport && !sqliteSupport;
assert postgresqlSupport -> !mysqlSupport && !sqliteSupport;
assert sqliteSupport -> !mysqlSupport && !postgresqlSupport;

let
  inherit (lib) optional optionalString;
in
import ./versions.nix (
  { version, hash, ... }:
  stdenv.mkDerivation {
    pname = "zabbix-proxy";
    inherit version;

    src = fetchurl {
      url = "https://cdn.zabbix.com/zabbix/sources/stable/${lib.versions.majorMinor version}/zabbix-${version}.tar.gz";
      inherit hash;
    };

    nativeBuildInputs = [ pkg-config ];
    buildInputs =
      [
        libevent
        libiconv
        openssl
        pcre
        zlib
      ]
      ++ optional odbcSupport unixODBC
      ++ optional snmpSupport net-snmp
      ++ optional sqliteSupport sqlite
      ++ optional sshSupport libssh2
      ++ optional mysqlSupport libmysqlclient
      ++ optional postgresqlSupport postgresql;

    configureFlags =
      [
        "--enable-ipv6"
        "--enable-proxy"
        "--with-iconv"
        "--with-libevent"
        "--with-libpcre"
        "--with-openssl=${openssl.dev}"
        "--with-zlib=${zlib}"
      ]
      ++ optional odbcSupport "--with-unixodbc"
      ++ optional snmpSupport "--with-net-snmp"
      ++ optional sqliteSupport "--with-sqlite3=${sqlite.dev}"
      ++ optional sshSupport "--with-ssh2=${libssh2.dev}"
      ++ optional mysqlSupport "--with-mysql"
      ++ optional postgresqlSupport "--with-postgresql";

    prePatch = ''
      find database -name data.sql -exec sed -i 's|/usr/bin/||g' {} +
    '';

    makeFlags = [
      "AR:=$(AR)"
      "RANLIB:=$(RANLIB)"
    ];

    postInstall =
      ''
        mkdir -p $out/share/zabbix/database/
      ''
      + optionalString sqliteSupport ''
        mkdir -p $out/share/zabbix/database/sqlite3
        cp -prvd database/sqlite3/schema.sql $out/share/zabbix/database/sqlite3/
      ''
      + optionalString mysqlSupport ''
        mkdir -p $out/share/zabbix/database/mysql
        cp -prvd database/mysql/schema.sql $out/share/zabbix/database/mysql/
      ''
      + optionalString postgresqlSupport ''
        mkdir -p $out/share/zabbix/database/postgresql
        cp -prvd database/postgresql/schema.sql $out/share/zabbix/database/postgresql/
      '';

    meta = {
      description = "Enterprise-class open source distributed monitoring solution (client-server proxy)";
      homepage = "https://www.zabbix.com/";
      license =
        if (lib.versions.major version >= "7") then lib.licenses.agpl3Only else lib.licenses.gpl2Plus;
      maintainers = with lib.maintainers; [ mmahut ];
      platforms = lib.platforms.linux;
    };
  }
)