{stdenv, fetchurl, openssl, pam, bzip2, zlib, inotifyTools, openldap}:

stdenv.mkDerivation rec {
  name = "dovecot-2.1.17";

  buildInputs = [openssl bzip2 zlib openldap] ++ stdenv.lib.optionals stdenv.isLinux [pam inotifyTools];

  src = fetchurl {
    url = "http://dovecot.org/releases/2.1/${name}.tar.gz";
    sha256 = "06j2s5bcrmc0dhjsyavqiss3k65p6xn00a7sffpsv6w3yngv777m";
  };

  # It will hardcode this for /var/lib/dovecot.
  # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626211
  configureFlags = [
    "--localstatedir=/var"
    "--with-ldap"
  ];

  meta = {
    homepage = "http://dovecot.org/";
    description = "Open source IMAP and POP3 email server written with security primarily in mind";
    maintainers = with stdenv.lib.maintainers; [viric simons];
    hydraPlatforms = stdenv.lib.platforms.linux;
  };

}