为啥是1.0版本的，现在我用FreeBSD安装的都是2.0版本的，安装目录如下：

    -- Install configuration: "Release"
    -- Installing: /usr/local/lib/libyajl.so.2.0.1
    -- Installing: /usr/local/lib/libyajl.so.2
    -- Installing: /usr/local/lib/libyajl.so
    -- Installing: /usr/local/lib/libyajl_s.a
    -- Installing: /usr/local/include/yajl/yajl_parse.h
    -- Installing: /usr/local/include/yajl/yajl_gen.h
    -- Installing: /usr/local/include/yajl/yajl_common.h
    -- Installing: /usr/local/include/yajl/yajl_tree.h
    -- Installing: /usr/local/include/yajl/yajl_version.h
    -- Installing: /usr/local/bin/json_reformat