[zeromq-dev] undefined reference to `zmq_z85_encode'

[Pieter Hintjens]

It's possible you're linking against an older version of libzmq
already installed on your system, perhaps?

On Wed, Jan 21, 2015 at 10:44 PM, Check Peck <comptechgeeky at gmail.com> wrote:
> I am trying to integrate ZeroMQ security (The Strawhouse Pattern) in our
> application. I installed libsodium and czmq like this -
>
>     git clone git://github.com/jedisct1/libsodium.git
>     cd libsodium
>     ./autogen.sh
>     ./configure && make check
>     sudo make install
>     sudo ldconfig
>     cd ..
>
>     git clone git://github.com/zeromq/czmq.git
>     cd czmq
>     ./autogen.sh
>     ./configure && make check
>     sudo make install
>     sudo ldconfig
>     cd ..
>
> And I installed ZeroMQ like this -
>
>     wget http://download.zeromq.org/zeromq-4.0.5.tar.gz
>     tar -xvzf zeromq-4.0.5.tar.gz
>     cd zeromq-4.0.5/
>     ./autogen.sh
>     ./configure
>     make -j4
>     sudo make install
>
> After that I added the code for Strawhouse patter in our application and
> when I was compiling our application, I got the below error -
>
>     /usr/local/lib/libczmq.a(src_libczmq_la-zauth_v2.o): In function
> `zap_request_new':
>     /home/david/czmq/src/zauth_v2.c:269: undefined reference to
> `zmq_z85_encode'
>     /usr/local/lib/libczmq.a(src_libczmq_la-zcert.o): In function
> `zcert_new_from':
>     /home/david/czmq/src/zcert.c:93: undefined reference to `zmq_z85_encode'
>     /home/david/czmq/src/zcert.c:94: undefined reference to `zmq_z85_encode'
>     /usr/local/lib/libczmq.a(src_libczmq_la-zcert.o): In function
> `zcert_new':
>     /home/david/czmq/src/zcert.c:64: undefined reference to
> `zmq_curve_keypair'
>     /home/david/czmq/src/zcert.c:67: undefined reference to `zmq_z85_decode'
>     /home/david/czmq/src/zcert.c:68: undefined reference to `zmq_z85_decode'
>     /usr/local/lib/libczmq.a(src_libczmq_la-zcert.o): In function
> `zcert_load':
>     /home/david/czmq/src/zcert.c:231: undefined reference to
> `zmq_z85_decode'
>     /home/david/czmq/src/zcert.c:233: undefined reference to
> `zmq_z85_decode'
>     collect2: error: ld returned 1 exit status
>     make[2]: *** [data_server/data_server] Error 1
>     make[1]: *** [data_server/CMakeFiles/data_server.dir/all] Error 2
>     make[1]: *** Waiting for unfinished jobs....
>
> What could be wrong? Any suggestions will be of great help. I was following
> this wiki - http://hintjens.com/blog:49
>
>
>
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