criu/seccomp.c: In function ‘collect_filter’:
criu/seccomp.c:134:26: error: storage size of ‘meta_buf’ isn’t known
  struct seccomp_metadata meta_buf, *meta = &meta_buf;
                          ^~~~~~~~
criu/seccomp.c:156:8: error: dereferencing pointer to incomplete type ‘struct seccomp_metadata’
    meta->filter_off = i;
        ^~
criu/seccomp.c:134:26: 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[1]: *** [criu/Makefile:78: criu/built-in.o] Error 2
make: *** [Makefile:228: criu] Error 2