anchor.diff:    postBuild = ''
       make $makeFlags CC=$CC -C contrib/slapd-modules/passwd/sha2
       make $makeFlags CC=$CC -C contrib/slapd-modules/passwd/pbkdf2
  +    make $makeFlags CC=$CC -C contrib/slapd-modules/passwd/argon2
     '';
   
     doCheck = false; # needs a running LDAP server
  
positive.code:   postInstall = ''
      make $installFlags install -C contrib/slapd-modules/passwd/sha2
      make $installFlags install -C contrib/slapd-modules/passwd/pbkdf2
      chmod +x "$out"/lib/*.{so,dylib}
    '';
  
  
negative.code: 
    nativeBuildInputs = [ groff ];
  
    buildInputs = [ openssl cyrus_sasl db libsodium libtool ];
  
    # Disable install stripping as it breaks cross-compiling.
    # We strip binaries anyway in fixupPhase.
  