criu/seccomp.c:30:25: error: ‘struct seccomp_metadata’ declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
         int len, struct seccomp_metadata *meta)
                         ^~~~~~~~~~~~~~~~
  CC       criu/sockets.o
criu/seccomp.c: In function ‘find_inherited’:
criu/seccomp.c:45:34: error: dereferencing pointer to incomplete type ‘struct seccomp_metadata’
    if (info->filter.flags != meta->flags)
                                  ^~
criu/seccomp.c: In function ‘collect_filter_for_pstree’:
criu/seccomp.c:57:26: error: storage size of ‘meta_buf’ isn’t known
  struct seccomp_metadata meta_buf, *meta = &meta_buf;
                          ^~~~~~~~
criu/seccomp.c:89:7: error: dereferencing pointer to incomplete type ‘struct seccomp_metadata’
   meta->flags = 0;
       ^~
criu/seccomp.c:108:54: error: passing argument 4 of ‘find_inherited’ from incompatible pointer type [-Werror=incompatible-pointer-types]
   inherited = find_inherited(item->parent, buf, len, meta);
                                                      ^~~~
criu/seccomp.c:30:43: note: expected ‘struct seccomp_metadata *’ but argument is of type ‘struct seccomp_metadata *’
         int len, struct seccomp_metadata *meta)
                  ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
criu/seccomp.c:57:26: error: unused variable ‘meta_buf’ [-Werror=unused-variable]
  struct seccomp_metadata meta_buf, *meta = &meta_buf;
                          ^~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [/home/rst/Projects/Libvirt/criu/scripts/nmk/scripts/build.mk:111: criu/seccomp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [criu/Makefile:78: criu/built-in.o] Error 2
make: *** [Makefile:228: criu] Error 2