git commit -a -m "removed the rest of the boost dependencies."

    void
    mkdir_p(string path)
    {
        vector<string> folders = split(path, '/');
        stringstream ss;

        // absolute folder?
        if(path[0] == '/')
            ss << path[0];

        // walk the tree from bottom to top and ignore errors
        for(string f : folders)
        {
            ss << f << '/';
            int ret = mkdir(ss.str().c_str(), 
                            S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);

            if(ret)
            {
                if(errno != EEXIST)
                {
                    cout << strerror(errno) << endl;
                    exit(0);
                }
            }
        }
    }