anchor.diff:        ) (callPackage ./stable.nix { })
       }
   
  -    patchShebangs util/genbuild_h/genbuild_h.sh util/crossgcc/buildgcc
  +    patchShebangs util/genbuild_h/genbuild_h.sh
     '';
   
     buildPhase = ''
  +    export CROSSGCC_VERSION=$(cat .crossgcc_version)
       make crossgcc-i386 CPUS=$NIX_BUILD_CORES DEST=$out
     '';
   
  
positive.code: , curl
  , fetchgit
  , flex
  , git
  , gnat11
  , lib
  
negative.code:   src = fetchgit {
      url = "https://review.coreboot.org/coreboot";
      rev = version;
      sha256 = "1qsb2ca22h5f0iwc254qsfm7qcn8967ir8aybdxa1pakgmnfsyp9";
      fetchSubmodules = false;
      leaveDotGit = true;
      postFetch = ''
        patchShebangs $out/util/crossgcc/buildgcc
        PATH=${lib.makeBinPath [ getopt ]}:$PATH $out/util/crossgcc/buildgcc -W > $out/.crossgcc_version
        rm -rf $out/.git
      '';
    };
  
    nativeBuildInputs = [ bison curl git perl ];
  