Thread: makefile C with IBM MQ doesn't recognize MQ structures

  1. #16
    Registered User
    Join Date
    Apr 2017
    Quote Originally Posted by Salem View Post
    Paste your latest version of this line of make output.
    /usr/bin/gcc -m64 -DMQ_SEND /home/avalanche/oleg/src/ctm_mq_con_ex.o -o /home/avalanche/oleg/bin/ctm_mq_con_ex -LP-L/opt/mqm/lib -lmqm -lmqmcs -lmqmzse -lnsl -ldl
    Have you fixed that -LP-L nonsense?

    Next, try this
    file /opt/mqm/lib/

    For example, I get something like
    $ file /usr/lib/
    /usr/lib/ ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked

    Make sure you get the actual file in case the named file is just a symbolic link to somewhere else.
    Now I got this:

    /usr/bin/gcc -m64 -DMQ_SEND  /home/avalanche/oleg/src/ctm_mq_con_ex.o -o  /home/avalanche/oleg/bin/ctm_mq_con_ex -LP/opt/mqm/lib64   /opt/mqm/lib/ -lmqm -lmqmcs -lmqmzse -lnsl -ldl
    /opt/mqm/lib/ could not read symbols: File in wrong format
    Did I understand you correctly?


  2. #17
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    Why do you keep putting a "P" in the path, when the linker path option is simply -L ?

    > -LP/opt/mqm/lib64 /opt/mqm/lib/
    I mean, if you just said -L/opt/mqm/lib64 you wouldn't need the absolute path to the .so file (which you got wrong anyway if this is supposed to be 64 bit).

    It's like you're randomly pressing keys without thinking about what you're doing.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

  3. #18
    Registered User
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    Apr 2017
    Thanks a lot, it works

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