anchor.diff: -{ lib, stdenv, fetchurl, fetchpatch, glibc, augeas, dnsutils, c-ares, curl,
  +{ lib, stdenv, fetchFromGitHub, autoreconfHook, fetchpatch, glibc, augeas, dnsutils, c-ares, curl,
     cyrus_sasl, ding-libs, libnl, libunistring, nss, samba, nfs-utils, doxygen,
     python, python3, pam, popt, talloc, tdb, tevent, pkg-config, ldb, openldap,
     pcre, libkrb5, cifs-utils, glib, keyutils, dbus, fakeroot, libxslt, libxml2,
  
positive.code: 
    meta = with lib; {
      description = "System Security Services Daemon";
      homepage = "https://fedorahosted.org/sssd/";
      license = licenses.gpl3;
      platforms = platforms.linux;
      maintainers = [ maintainers.e-user ];
    };
  
negative.code:   '';
  
    enableParallelBuilding = true;
    nativeBuildInputs = [ autoreconfHook pkg-config doxygen ];
    buildInputs = [ augeas dnsutils c-ares curl cyrus_sasl ding-libs libnl libunistring nss
                    samba nfs-utils python python3 popt
                    talloc tdb tevent ldb pam openldap pcre libkrb5
                    cifs-utils glib keyutils dbus fakeroot libxslt libxml2
                    libuuid ldap systemd nspr check cmocka uid_wrapper
                    nss_wrapper ncurses Po4a http-parser jansson ];
  