Гуакамоле Ubuntu 16.10 Readdir_r () ошибка

В данный момент я пытаюсь заставить Гуакамоле Apache работать. Я сталкиваюсь с проблемой при попытке скомпилировать файлы. Я ценил бы любую справку, и у меня нет тонны опыта с Ubuntu так...

Ссылка на гуакамоле: http://guacamole.incubator.apache.org/

virtual@virtual-VirtualBox:~/guacamole-server-0.9.9$ make
make  all-recursive
make[1]: Entering directory '/home/virtual/guacamole-server-0.9.9'
Making all in src/libguac
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/libguac'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/libguac'
Making all in src/common
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/common'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/common'
Making all in src/guacd
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/guacd'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/guacd'
Making all in tests
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/tests'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/tests'
Making all in src/common-ssh
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/common-ssh'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/common-ssh'
Making all in src/terminal
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/terminal'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/terminal'
Making all in src/protocols/rdp
make[2]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/protocols/rdp'
make  all-am
make[3]: Entering directory '/home/virtual/guacamole-server-0.9.9/src/protocols/rdp'
  CC       guacdr_client_la-rdp_fs.lo
rdp_fs.c: In function 'guac_rdp_fs_read_dir':
rdp_fs.c:563:5: error: 'readdir_r' is deprecated [-Werror=deprecated-declarations]
     if (readdir_r(file->dir, &(file->__dirent), &result))
     ^~
In file included from rdp_fs.h:44:0,
                 from rdp_fs.c:25:
/usr/include/dirent.h:183:12: note: declared here
 extern int readdir_r (DIR *__restrict __dirp,
            ^~~~~~~~~
cc1: all warnings being treated as errors
Makefile:1098: recipe for target 'guacdr_client_la-rdp_fs.lo' failed
make[3]: *** [guacdr_client_la-rdp_fs.lo] Error 1
make[3]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/protocols/rdp'
Makefile:724: recipe for target 'all' failed
make[2]: *** [all] Error 2
make[2]: Leaving directory '/home/virtual/guacamole-server-0.9.9/src/protocols/rdp'
Makefile:463: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/virtual/guacamole-server-0.9.9'
Makefile:394: recipe for target 'all' failed
make: *** [all] Error 2