[C++] HADOOP_HOME doesn't work to find libhdfs.so

$ ls $HADOOP_HOME/lib/native
libhadoop.a  libhadooppipes.a  libhadoop.so  libhadoop.so.1.0.0  libhadooputils.a  libhdfs.a  libhdfs.so  libhdfs.so.0.0.0 

import pyarrow
pyarrow.hdfs.connect('hdfs://localhost')

Traceback (most recent call last):
  File "<string>", line 2, in <module>
  File "/home/jackwindows/anaconda2/lib/python2.7/site-packages/pyarrow/hdfs.py", line 215, in connect
    extra_conf=extra_conf)
  File "/home/jackwindows/anaconda2/lib/python2.7/site-packages/pyarrow/hdfs.py", line 40, in __init__
    self._connect(host, port, user, kerb_ticket, driver, extra_conf)
  File "pyarrow/io-hdfs.pxi", line 89, in pyarrow.lib.HadoopFileSystem._connect
  File "pyarrow/error.pxi", line 99, in pyarrow.lib.check_status
IOError: Unable to load libhdfs: /opt/hadoop/latest/libhdfs.so: cannot open shared object file: No such file or directory