anchor.diff:  core-big = stdenv.mkDerivation { #TODO: upmendex
     name = "texlive-core-big.bin-${version}";
   
  -  inherit (common) src patches;
  +  inherit (common) src patches preAutoreconf postAutoreconf;
   
     hardeningDisable = [ "format" ];
   
  
positive.code:         sha256 = "1c4aq8lk8g3mlfq3mdjnxvmhss3qs7nni5rmw0k054dmj6q1xj5n";
        })
      ];
  
      configureFlags = [
        "--with-banner-add=/NixOS.org"
  
negative.code:       "xetex" "bibtexu" "bibtex8" "bibtex-x" "upmendex" # ICU isn't small
      ] ++ stdenv.lib.optional (stdenv.hostPlatform.isPower && stdenv.hostPlatform.is64bit) "mfluajit")
      ++ [ "--without-system-harfbuzz" "--without-system-icu" ] # bogus configure
      ;
  
    enableParallelBuilding = true;
  