anchor.diff:          --subst-var-by version ${version}
       '';
       extraPaths = with self; [ include.src libc.src libutil.src
  -      (fetchNetBSD "external/bsd/flex" "9.1" "0h98jpfj7vx5zh7vd7bk6b1hmzgkcb757a8j6d9zgygxxv13v43m")
  -      (fetchNetBSD "sys/sys" "9.1" "1xx633pvmdgdb0h1x0bw1rvkc63h29ziwh51166rc3q5bil7y01n")
  -      (fetchNetBSD "common/include/rpc/types.h" "9.1" "0n2df12mlc3cbc48jxq35yzl1y7ghgpykvy7jnfh898rdhac7m9a")
  +      (fetchNetBSD "external/bsd/flex" "9.2" "0h98jpfj7vx5zh7vd7bk6b1hmzgkcb757a8j6d9zgygxxv13v43m")
  +      (fetchNetBSD "sys/sys" "9.2" "0zawhw51klaigqqwkx0lzrx3mim2jywrc24cm7c66qsf1im9awgd")
  +      (fetchNetBSD "common/include/rpc/types.h" "9.2" "0n2df12mlc3cbc48jxq35yzl1y7ghgpykvy7jnfh898rdhac7m9a")
       ] ++ libutil.extraPaths ++ _mainLibcExtraPaths;
     });
   
  
positive.code: 
    libcrypt = mkDerivation {
      path = "lib/libcrypt";
      version = "9.1";
      sha256 = "0siqan1wdqmmhchh2n8w6a8x1abbff8n4yb6jrqxap3hqn8ay54g";
      SHLIBINSTALLDIR = "$(out)/lib";
      meta.platforms = lib.platforms.netbsd;
  
negative.code:   };
  
    headers = symlinkJoin {
      name = "netbsd-headers-9.2";
      paths = with self; [
        include
        sys-headers
  