anchor.diff:  with stdenv.lib;
   
   let
  -  version = "1.8.1";
  +  version = "1.10.0";
     mainSrc = fetchurl {
       url = "http://nginx.org/download/nginx-${version}.tar.gz";
  -    sha256 = "1dwpyw4pvhj68vxramqxm8f79pqz9lrm8mvifbn49h3615ikqjwg";
  +    sha256 = "0kdyqa5xaxvhz6y75ixs05mzygk3kszzdq5h0gnlrg35vp1lgmlf";
     };
   
   in
  
positive.code: { stdenv, fetchurl, fetchFromGitHub, openssl, zlib, pcre, libxml2, libxslt, expat
  , gd, geoip
  , modules ? []
  , hardening ? true
  }:
  
negative.code:     "--with-ipv6"
      # Install destination problems
      # "--with-http_perl_module"
    ] ++ optional withStream "--with-stream"
      ++ optional (elem stdenv.system (with platforms; linux ++ freebsd)) "--with-file-aio"
      ++ map (mod: "--add-module=${mod.src}") modules;
  
    NIX_CFLAGS_COMPILE = [ "-I${libxml2.dev}/include/libxml2" ] ++ optional stdenv.isDarwin "-Wno-error=deprecated-declarations";
  
    preConfigure = (concatMapStringsSep "\n" (mod: mod.preConfigure or "") modules)
      + optionalString (hardening && (stdenv.cc.cc.isGNU or false)) ''
  