Can not make

[jackysc]

panyan@localhost:~$ git clone --recursive https://github.com/CGCL-codes/MXNet-G
Cloning into 'MXNet-G'...
remote: Counting objects: 1401, done.
remote: Compressing objects: 100% (1123/1123), done.
remote: Total 1401 (delta 184), reused 1388 (delta 178), pack-reused 0
Receiving objects: 100% (1401/1401), 2.06 MiB | 1015.00 KiB/s, done.
Resolving deltas: 100% (184/184), done.
Checking connectivity... done.
panyan@localhost:~$ cd MXNet-G/
panyan@localhost:~/MXNet-G$ ls
CHANGES.md       LICENSE   NEWS.md    README.md     appveyor.yml  docker  example  make    mshadow  python           scala-package  tests
CONTRIBUTORS.md  Makefile  R-package  amalgamation  cmake         docs    include  matlab  plugin   readthedocs.yml  src            tools
panyan@localhost:~/MXNet-G$ make -j$(nproc)
Makefile:22: make/config.mk: No such file or directory
Makefile:24: /home/panyan/MXNet-G/dmlc-core/make/dmlc.mk: No such file or directory
Makefile:86: /home/panyan/MXNet-G/ps-lite/make/ps.mk: No such file or directory
make: *** No rule to make target '/home/panyan/MXNet-G/ps-lite/make/ps.mk'.  Stop.
panyan@localhost:~/MXNet-G$