anchor.diff:      sha256 = "0nmb9amygr5flzk2z9fa6wzwqknbgd2qrkybxkxkamvbdwyayvzr";
     };
   
  -  buildInputs = [ ]
  +  buildInputs = [ which ]
       ++ (stdenv.lib.optional stdenv.isDarwin sbclBootstrap)
       ++ (stdenv.lib.optional stdenv.isLinux clisp)
       ;
  
positive.code:       '/date defaulted-fasl/a)'
      sed -i src/code/target-load.lisp -e \
        '/date defaulted-source/i(or (and (= 2208988801 (file-write-date defaulted-source-truename)) (= 2208988801 (file-write-date defaulted-fasl-truename)))'
  
      # Fix the tests
      sed -e '/deftest pwent/inil' -i contrib/sb-posix/posix-tests.lisp
  
negative.code: { stdenv, fetchurl, sbclBootstrap, clisp, which}:
  
  stdenv.mkDerivation rec {
    name    = "sbcl-${version}";
  