>  sudo apt-get install cmake -y 
>  sudo apt-get install build-essential checkinstall -y 

> sudo yum install cmake -y 

> wget -c 'http://sourceforge.net/projects/boost/files/boost/1.49.0/boost_1_49_0.tar.bz2/download'
> tar xf boost_1_49_0.tar.bz2
> cd boost_1_49_0/

> mkdir ./build
> cmake .. 
> make 

-DBoost_USE_STATIC_LIBS=ON -DBoost_USE_STATIC_RUNTIME=ON

-DBoost_DEBUG=on

> rm -rf ./build && mkdir ./build && cd ./build &&  cmake ..

.
├── CMakeLists.txt              # cmake config file
├── LICENSE
├── README.md
└── src
    ├── cmdline.cpp             # process the command line options
    ├── main.cpp                # simple mainline wrapper
    ├── util.cpp                # util methods to prime the test
    └── mongo_ops.cpp           # the ops to test 

$ ./boost_unlink  --help 
Allowed options:

Generic options:
  -h [ --help ]         produce help message
  -v [ --verbose ]      be more verbose (include multiple times for more 
                        verbosity e.g. -vvvvv)
  --dbpath arg          the target directory
  --dryrun              do a dryrun
  --preallocate         preallocate files pf the correct sizes
  --directoryperdb      each database will be stored in a separate directory, 
                        <default to false>)
  --setup               only setup the directory/files, <default to false>)
  -f [ --files ] arg    the number of files

> sudo mkdir /data/boost_unlink
> sudo chown <username> /data/boost_unlink
> ./boost_unlink testing --files 6  -vvvvv 
> ./boost_unlink testing --files 6  -vvvvv --directoryperdb
> ./boost_unlink testing --files 6   --directoryperdb --dbpath=/data/boost_unlink
> ./boost_unlink testing --files 6   --dbpath=/data/boost_unlink
> ls /tmp/boost_unlink/testing