build error with zeromq 3.x

[naoina]

Making all in suggest
make[3]: Entering directory `/home/naoina/work/src/groonga/src/suggest'
  CC       groonga_suggest_learner-groonga_suggest_learner.o
groonga_suggest_learner.c: In function `zmq_send_to_httpd':
groonga_suggest_learner.c:197:5: error: too few arguments to function `zmq_send'
     if (zmq_send(zmq_send_sock, &msg, 0)) {
     ^
In file included from groonga_suggest_learner.c:17:0:
/usr/include/zmq.h:349:45: note: declared here
 ZMQ_EXPORT int zmq_send (void *s, const void *buf, size_t len, int flags);
                                             ^
groonga_suggest_learner.c: In function `send_to_httpd':
groonga_suggest_learner.c:372:41: error: `ZMQ_HWM' undeclared (first use in this function)
           zmq_setsockopt(zmq_send_sock, ZMQ_HWM, &hwm, sizeof(uint64_t));
                                         ^
groonga_suggest_learner.c:372:41: note: each undeclared identifier is reported only once for each function it appears in
groonga_suggest_learner.c: In function `recv_event_loop':
groonga_suggest_learner.c:463:9: error: too few arguments to function `zmq_recv'
         if (zmq_recv(zmq_sock, &msg, 0)) {
         ^
In file included from groonga_suggest_learner.c:17:0:
/usr/include/zmq.h:350:45: note: declared here
 ZMQ_EXPORT int zmq_recv (void *s, void *buf, size_t len, int flags);
                                             ^
make[3]: *** [groonga_suggest_learner-groonga_suggest_learner.o] Error 1
make[3]: Leaving directory `/home/naoina/work/src/groonga/src/suggest'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/naoina/work/src/groonga/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/naoina/work/src/groonga'
make: *** [all] Error 2

Please support to zeromq 3.x, or write required version info to dependencies section of document.

See also: http://www.zeromq.org/docs:3-1-upgrade

[kou]

Thanks for your report!
Now, groonga supports both zmq 2.x and 3.x!