follow the readme guide but failed to build zenfs utils

[gaowayne]

please check below error log.

Package 'rocksdb', required by 'virtual:world', not found
Makefile:11: *** pkg-config failed.  Stop.
[root@amd2 util]# cd ..
[root@amd2 zenfs]# cd ..
[root@amd2 plugin]# cd ..
[root@amd2 rocksdb]# pushd
-bash: pushd: no other directory
[root@amd2 rocksdb]# cd plugin/zenfs/util/
[root@amd2 util]# make
Package rocksdb was not found in the pkg-config search path.
Perhaps you should add the directory containing `rocksdb.pc'
to the PKG_CONFIG_PATH environment variable
Package 'rocksdb', required by 'virtual:world', not found
Makefile:11: *** pkg-config failed.  Stop.
[root@amd2 util]# 

[yhr]

@gaowayne : Did you build and install rocksdb first, before building the util?