On 10.01.2017 22:20, Luca Boccassi wrote:
luca@luca-desktop:/tmp$ apt-cache policy libzmq3-dev
libzmq3-dev:
Installed: 1483950852.598befc
Candidate: 1483950852.598befc
Version table:
*** 1483950852.598befc 0
500http://download.opensuse.org/repositories/home:/zeromq:/git-draft/Debian_8.0/
./ Packages
100 /var/lib/dpkg/status
4.2.1-2 0
103http://httpredir.debian.org/debian/ sid/main amd64 Packages
4.2.0-2 0
104http://httpredir.debian.org/debian/ stretch/main amd64 Packages
4.0.5+dfsg-2+deb8u1 0
500http://httpredir.debian.org/debian/ jessie/main amd64 Packages
500http://security.debian.org/ jessie/updates/main amd64 Packages
luca@luca-desktop:/tmp$ g++ `pkg-config --libs --cflags libzmq`
Discovery.cpp -o test
luca@luca-desktop:/tmp$ ./test
Builds just fine (binary runs and never exits not sure if that's
intended). I am honestly not sure why your linker is being picky. This
is on Debian 8 with gcc 4.9.2
$ apt-cache policy libzmq3-dev
libzmq3-dev:
Installed: 1483950852.598befc
Candidate: 1483950852.598befc
Version table:
*** 1483950852.598befc 500
500
http://download.opensuse.org/repositories/home:/zeromq:/git-draft/xUbuntu_16.04
./ Packages
100 /var/lib/dpkg/status
4.1.4-7 500
500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
A little bit strang, that I don't see a Version named 4.2.x like you
have. Nevertheless, this would only create a lack of the new UDP
Multicast feature, but my linker complains about standard functions like
zmq_ctx_new...
I am using g++ version 5.4.0 on Ubuntu 16.04 LTS. I further guaranteed
that there is only one libzmq.
Its location is: /usr/lib/x86_64-linux-gnu/libzmq.so.5.1.2
And I checked that the wanted symbol is in there with: readelf -Ws
/usr/lib/x86_64-linux-gnu/libzmq.so.5.1.2
Normally under this circumstances problems like mismatching architecture
of the .so is the case, but I can't see any hints for that.
--
Distributed Systems Research Group
Stephan Opfer T. +49 561 804-6283 F. +49 561 804-6277
Univ. Kassel, FB 16, Wilhelmshöher Allee 73, D-34121 Kassel
WWW: http://www.uni-kassel.de/go/vs_stephan-opfer/
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