anchor.diff:       inherit fetchurl;
       };
   }
  -
  -     /* 
  -
  -  mingw = {
  -    langC = true;
  -    langCC = true;
  -    langF77 = true;
  -  };
  -
  -    gcc =
  -      import ../../build-support/gcc-wrapper {
  -        nativeTools = false;
  -        nativeGlibc = false;
  -        stdenv = stdenvInitial;
  -        binutils = msys;
  -        gcc = mingw;
  -        shell = msys + /bin/sh;
  -      }; */
  
positive.code: 
    /**
     * Initial standard environment based on native Cygwin tools.
     */
    stdenvInit1 =
      import ./simple-stdenv {
  
negative.code: {system} :
  
  let {
  