make check fail

[Havanero]

CC src/src_libfilemq_la-fmq_msg.lo
CC src/src_libfilemq_la-fmq_server.lo
In file included from src/fmq_server.c:71:0:
src/fmq_server_engine.inc: In function ‘s_client_free’:
src/fmq_server_engine.inc:274:23: error: ‘__builtin___snprintf_chk’ output truncated before the last format character [-Werror=format-truncation=]
"%6d:%-33s", self->unique_id, string);
^
In file included from /usr/include/stdio.h:862:0,
from /usr/local/include/zmq.h:59,
from /usr/local/include/czmq_prelude.h:217,
from /usr/local/include/czmq_library.h:23,
from /usr/local/include/czmq.h:37,
from src/../include/filemq_library.h:25,
from src/../include/filemq.h:18,
from src/filemq_classes.h:25,
from src/fmq_server.c:23:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: ‘__builtin___snprintf_chk’ output between 41 and 46 bytes into a destination of size 40
return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__bos (__s), __fmt, __va_arg_pack ());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from src/fmq_server.c:71:0:
src/fmq_server_engine.inc: In function ‘s_server_handle_protocol’:
src/fmq_server_engine.inc:274:23: error: ‘__builtin___snprintf_chk’ output truncated before the last format character [-Werror=format-truncation=]
"%6d:%-33s", self->unique_id, string);
^

Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

[georgeslabreche]

I got the same issue when building CZMQ v3.0.2 with GCC7. I solved by patching in the fix in this commit:
https://github.com/zeromq/czmq/pull/1618/commits

Specifically:
zeromq/czmq@b651cb4