在尝试用c++编译中间层的rendler之后 make all ，我收到以下错误：

$ make all
g++  -g -O2 -pthread -o rendler rendler.cpp -lmesos -lpthread -lprotobuf
In file included from /usr/local/include/stout/stringify.hpp:26:0,
                 from /usr/local/include/stout/bytes.hpp:26,
                 from /usr/local/include/mesos/resources.hpp:29,
                 from rendler.cpp:30:
/usr/local/include/stout/hashmap.hpp:43:32: error: expected ‘)’ before ‘<’ token
   hashmap(std::initializer_list<std::pair<Key, Value>> list)
                                ^
rendler.cpp:345:1: error: expected ‘}’ at end of input
 }
 ^
In file included from /usr/local/include/stout/stringify.hpp:26:0,
                 from /usr/local/include/stout/bytes.hpp:26,
                 from /usr/local/include/mesos/resources.hpp:29,
                 from rendler.cpp:30:
/usr/local/include/stout/hashmap.hpp:40:14: error: expected unqualified-id at end of input
   hashmap() {}
              ^
make:***[rendler] Error 1

我已经在正确的include路径中安装了所有列出的依赖项以及相关的第三方库。在尝试编译中的示例框架时，我收到了相同的错误 mesos/src/examples 目录。是什么导致了这个错误？