anchor.diff:      sha256 = "374398699ac3fd802d98d642486cf6b0edc082a119c9c9c499945a0bc73e3413";
     };
   
  -  buildInputs = [ readline ];
  +  buildInputs = [ readline nspr ];
   
     postUnpack = "sourceRoot=\${sourceRoot}/src";
   
  
positive.code:       sed -e 's/ -ltermcap/ -lncurses/' -i ${makefile}
      '';
  
    makeFlags = "-f ${makefile} JS_DIST=\${out} BUILD_OPT=1 JS_READLINE=1";
  }
  
negative.code: { stdenv, fetchurl, readline, nspr }:
  
  stdenv.mkDerivation rec {
    version = "1.8.0-rc1";
  