anchor.diff:      runHook postPatch
     '';
   
  -  preBuild = ''
  -    xmkmf
  -    make Makefiles
  -  '';
  -
  -  makeFlags = [ "CC=cc" ];
  +  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
   
     preInstall = ''
       mkdir -p $out
  
positive.code: {stdenv, fetchurl, zlib, libjpeg, libpng, imake}:
  
  stdenv.mkDerivation rec {
    name = "transfig-3.2.4";
  
negative.code:     sha256 = "0429snhp5acbz61pvblwlrwv8nxr6gf12p37f9xxwrkqv4ir7dd4";
    };
  
    nativeBuildInputs = [ imake gccmakedep ];
    buildInputs = [ zlib libjpeg libpng ];
  
    patches = [
      ./patch-fig2dev-dev-Imakefile
  