anchor.diff:      ''
         set -u
   
  -      mkdir -p $out/bin {$out,$info,$man}/nix-support
  +      mkdir -p $out/bin $out/nix-support
   
         wrap() {
           local dst="$1"
  
positive.code: # script that sets up the right environment variables so that the
  # compiler and the linker just "work".
  
  { name ? "", stdenvNoCC, nativeTools, noLibc ? false, nativeLibc, nativePrefix ? ""
  , bintools ? null, libc ? null
  , coreutils ? null, shell ? stdenvNoCC.shell, gnugrep ? null
  , extraPackages ? [], extraBuildCommands ? ""
  
negative.code: 
  with stdenvNoCC.lib;
  
  assert nativeTools -> !propagateDoc && nativePrefix != "";
  assert !nativeTools ->
    bintools != null && coreutils != null && gnugrep != null;
  assert !(nativeLibc && noLibc);
  