On 10 January 2017 at 20:47, Stephan Opfer <[email protected]> wrote: > On 10.01.2017 17:28, Luca Boccassi wrote: >> >> As always on *NIX, use pkg-config and your life will be much easier. >> >> eg: >> >> g++ `pkg-config --cflags --libs libzmq` foo.cpp -o foo > > Ok, with pkg-config I can compile, but the linker is still complaining. > > Here is my command for compiling: > > g++ -DZMQ_BUILD_DRAFT_API=1 -I/usr/local/include -L/usr/local/lib -lzmq > Discovery.cpp -o foo > > "pkg-config --cflags --libs libzmq" created "-DZMQ_BUILD_DRAFT_API=1 > -I/usr/local/include -L/usr/local/lib -lzmq", which seems right as far as I > can tell. > > Here some linker errors: > > /tmp/ccLV8vrk.o: In function `main': > Discovery.cpp:(.text+0x24e): undefined reference to `zmq_ctx_new' > Discovery.cpp:(.text+0x28c): undefined reference to `zmq_socket' > Discovery.cpp:(.text+0x2a7): undefined reference to `zmq_socket' > Discovery.cpp:(.text+0x2c2): undefined reference to `zmq_bind' > Discovery.cpp:(.text+0x2fe): undefined reference to `zmq_leave' > Discovery.cpp:(.text+0x369): undefined reference to `zmq_join' > Discovery.cpp:(.text+0x3a5): undefined reference to `zmq_join' > Discovery.cpp:(.text+0x3e1): undefined reference to `zmq_join' > Discovery.cpp:(.text+0x41d): undefined reference to `zmq_connect' > Discovery.cpp:(.text+0x528): undefined reference to `zmq_join' > Discovery.cpp:(.text+0x55a): undefined reference to `zmq_sleep' > Discovery.cpp:(.text+0x5f8): undefined reference to `zmq_leave' > Discovery.cpp:(.text+0x62a): undefined reference to `zmq_sleep' > Discovery.cpp:(.text+0x70c): undefined reference to `zmq_poll' > Discovery.cpp:(.text+0x7ab): undefined reference to `zmq_close' > Discovery.cpp:(.text+0x7e2): undefined reference to `zmq_close' > Discovery.cpp:(.text+0x819): undefined reference to `zmq_ctx_term' > collect2: error: ld returned 1 exit status
Did you install the packages? Because then /usr/local is wrong, if you did a make install before you should do a make uninstall to remove the manually installed files _______________________________________________ zeromq-dev mailing list [email protected] https://lists.zeromq.org/mailman/listinfo/zeromq-dev
