anchor.diff:      scons PREFIX="$out" OPENSSL="${openssl}" ZLIB="${zlib}" APR="$(echo "${apr}"/bin/*-config)" \
           APU="$(echo "${aprutil}"/bin/*-config)" CC="${
             if stdenv.cc.isClang then "clang" else "${stdenv.cc}/bin/gcc"
  -        }" ${
  -          if (stdenv.isDarwin || stdenv.isCygwin) then "" else "GSSAPI=\"${kerberos}\""
  -        }
  +        }" GSSAPI="${kerberos}"
     '';
  -
  -  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isDarwin "-L/usr/lib";
   
     installPhase = ''
       scons install
  
positive.code:   };
  
    buildInputs = [ apr scons openssl aprutil zlib ]
      ++ stdenv.lib.optional (!stdenv.isCygwin) kerberos;
  
    configurePhase = ''
      ${gnused}/bin/sed -e '/^env[.]Append(BUILDERS/ienv.Append(ENV={"PATH":os.environ["PATH"]})' -i SConstruct
  
negative.code:     description = "HTTP client library based on APR";
      license = stdenv.lib.licenses.asl20;
      maintainers = [stdenv.lib.maintainers.raskin];
      hydraPlatforms = stdenv.lib.platforms.linux;
    };
  }
  