anchor.diff: -{ stdenv, fetchurl, zlib, enableStatic ? false,
  -sftpPath ? "/var/run/current-system/sw/libexec/sftp-server" }:
  +{ stdenv, lib, fetchurl, glibc, zlib
  +, enableStatic ? false
  +, sftpPath ? "/run/current-system/sw/libexec/sftp-server"
  +}:
   
   stdenv.mkDerivation rec {
     name = "dropbear-2016.74";
  
positive.code: 
    dontDisableStatic = enableStatic;
  
    configureFlags = stdenv.lib.optional enableStatic "LDFLAGS=-static";
  
    CFLAGS = "-DSFTPSERVER_PATH=\\\"${sftpPath}\\\"";
  
  
negative.code:     ./pass-path.patch
    ];
  
    buildInputs = [ zlib ] ++ lib.optionals enableStatic [ glibc.static zlib.static ];
  
    meta = with stdenv.lib; {
      homepage = "http://matt.ucc.asn.au/dropbear/dropbear.html";
  