anchor.diff:        "phobos/std/datetime/timezone.d";
   
       postPatch = ''
  -        substituteInPlace cmake/Modules/FindLLVM.cmake \
  -            --replace "llvm_set(LIBRARY_DIRS" "#llvm_set(LIBRARY_DIRS"
  -
           substituteInPlace runtime/${datetimePath} \
               --replace "import core.time;" "import core.time;import std.path;"
   
  
positive.code: , python, libconfig, lit, gdb, unzip, darwin, bash
  , callPackage
  , bootstrapVersion ? false
  , version ? "1.5.0"
  , ldcSha256 ? "1150sgns03vplni2wd4afk3rgw3rap8rsiipspw0rzxgki5rlr83"
  }:
  
  let
  
negative.code:         rm tests/d2/dmd-testsuite/runnable/variadic.d
      ''
  
      + stdenv.lib.optionalString (stdenv.hostPlatform.isLinux && !bootstrapVersion) ''
  	# http://forum.dlang.org/thread/xtbbqthxutdoyhnxjhxl@forum.dlang.org
  	rm -r tests/dynamiccompile
      '';
  
      ROOT_HOME_DIR = "$(echo ~root)";
  