postfix: build with pcre2

{ stdenv, lib, fetchurl, makeWrapper, gnused, db, openssl, cyrus_sasl, libnsl

, coreutils, findutils, gnugrep, gawk, icu, pcre, m4

, coreutils, findutils, gnugrep, gawk, icu, pcre2, m4

, fetchpatch

, buildPackages, nixosTests

, withLDAP ? true, openldap

  };

  nativeBuildInputs = [ makeWrapper m4 ];

  buildInputs = [ db openssl cyrus_sasl icu libnsl pcre ]

  buildInputs = [ db openssl cyrus_sasl icu libnsl pcre2 ]

    ++ lib.optional withPgSQL postgresql

    ++ lib.optional withMySQL libmysqlclient

    ++ lib.optional withSQLite sqlite