[ERROR] !! cRTOS-nuttx tools/configure.sh qemu-intel64:crtos compile ERROR

I was trying to compile cRTOS-nuttx of this repo, I follow the guides provided in Installation.md. But the compiling process failed with make: *** [dirlinks] Error 2
The whole process:
hky@hky-jh:~$ cd cRTOS-nuttx/
hky@hky-jh:~/cRTOS-nuttx$ ls
arch   binfmt  crypto          Documentation  fs        include          Kconfig  LICENSE   mm   NOTICE   pass1       ReleaseNotes  syscall  tools  wireless
audio  boards  DISCLAIMER-WIP  drivers        graphics  INVIOLABLES.txt  libs     Makefile  net  openamp  README.txt  sched         TODO     video
hky@hky-jh:~/cRTOS-nuttx$ make distclean
Nuttx has not been configured:
  tools/configure.sh <target>
hky@hky-jh:~/cRTOS-nuttx$ tools/configure.sh qemu-intel64:crtos
  Copy files
/home/hky/cRTOS-nuttx/tools/../tools/sethost.sh: line 132: kconfig-tweak: command not found
  Select CONFIG_HOST_LINUX=y
/home/hky/cRTOS-nuttx/tools/../tools/sethost.sh: line 139: kconfig-tweak: command not found
/home/hky/cRTOS-nuttx/tools/../tools/sethost.sh: line 140: kconfig-tweak: command not found
/home/hky/cRTOS-nuttx/tools/../tools/sethost.sh: line 150: kconfig-tweak: command not found
  Refreshing...
make: the '-C' option requires a non-empty string argument
Usage: make [options] [target] ...
Options:
  -b, -m                      Ignored for compatibility.
  -B, --always-make           Unconditionally make all targets.
  -C DIRECTORY, --directory=DIRECTORY
                              Change to DIRECTORY before doing anything.
  -d                          Print lots of debugging information.
  --debug[=FLAGS]             Print various types of debugging information.
  -e, --environment-overrides
                              Environment variables override makefiles.
  --eval=STRING               Evaluate STRING as a makefile statement.
  -f FILE, --file=FILE, --makefile=FILE
                              Read FILE as a makefile.
  -h, --help                  Print this message and exit.
  -i, --ignore-errors         Ignore errors from recipes.
  -I DIRECTORY, --include-dir=DIRECTORY
                              Search DIRECTORY for included makefiles.
  -j [N], --jobs[=N]          Allow N jobs at once; infinite jobs with no arg.
  -k, --keep-going            Keep going when some targets can't be made.
  -l [N], --load-average[=N], --max-load[=N]
                              Don't start multiple jobs unless load is below N.
  -L, --check-symlink-times   Use the latest mtime between symlinks and target.
  -n, --just-print, --dry-run, --recon
                              Don't actually run any recipe; just print them.
  -o FILE, --old-file=FILE, --assume-old=FILE
                              Consider FILE to be very old and don't remake it.
  -O[TYPE], --output-sync[=TYPE]
                              Synchronize output of parallel jobs by TYPE.
  -p, --print-data-base       Print make's internal database.
  -q, --question              Run no recipe; exit status says if up to date.
  -r, --no-builtin-rules      Disable the built-in implicit rules.
  -R, --no-builtin-variables  Disable the built-in variable settings.
  -s, --silent, --quiet       Don't echo recipes.
  -S, --no-keep-going, --stop
                              Turns off -k.
  -t, --touch                 Touch targets instead of remaking them.
  --trace                     Print tracing information.
  -v, --version               Print the version number of make and exit.
  -w, --print-directory       Print the current directory.
  --no-print-directory        Turn off -w, even if it was turned on implicitly.
  -W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE
                              Consider FILE to be infinitely new.
  --warn-undefined-variables  Warn when an undefined variable is referenced.

This program built for x86_64-pc-linux-gnu
Report bugs to <bug-make@gnu.org>
make: *** [dirlinks] Error 2
ERROR: failed to refresh
Could you offer me some help? thanks a lot!
fixstars / cRTOS

[ERROR] !! cRTOS-nuttx tools/configure.sh qemu-intel64:crtos compile ERROR #1
