anchor.diff:  
   , coreutils
   , gdbm
  +, less
   , libcap
   , ncurses
   , pcre
  
positive.code:     "--disable-zsh-mem-debug"
      "--disable-zsh-mem-warning"
      "--disable-zsh-secure-free"
      "--disable-zsh-valgrind"
      "--disable-zsh-hash-debug"
      # Tests fail with stack allocation enabled >=5.2
  
negative.code:   src = fetchurl {
      url = "mirror://sourceforge/zsh/zsh/${version}/zsh-${version}.tar.xz";
      hashOutput = false;
      sha256 = "94cbd57508287e8faa081424509738d496f5f41e32ed890e3a5498ce05d3633b";
    };
  
    nativeBuildInputs = [
  