anchor.diff:      expat
       gdbm
       libffi
  -    lzma
       ncurses
       openssl
       readline
       sqlite
       stdenv.cc.libc
  +    xz
       zlib
     ];
   
  
positive.code: , expat
  , gdbm
  , libffi
  , lzma
  , ncurses
  , openssl
  , readline
  , sqlite
  , zlib
  
  # Inherit generics
  
negative.code:     #"--with-ensurepip"
    ];
  
    NIX_LDFLAGS = "-lgcc_s";
  
    postInstall =
      /* Needed for some packages, especially packages that
  