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Itai Ganot
Asked: 2014-07-16 22:57:47 +0800 CST

Linux: Is it possible to know which options an installation was configured and compiled with?

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I need to implement some web checks in our Zabbix system which requires Zabbix to be compiled with the libcurl (curl) option, but I don't know how to check if it was compiled with this option or not, Is there any command or file which will assist me in finding the answer?

linux

2 Answers

  1. Best Answer

    You need to use ldd(1) to print shared library dependencies. If the zabbix-agent was compiled with curl suppport, it was linked dynamically against the libcurl library in compilation time.

    I don't have a zabbix installation handy right now, but the procedure is simple:

    # ldd $(which curl)
        linux-vdso.so.1 =>  (0x00007fff4572b000)
        libcurl.so.4 => /lib64/libcurl.so.4 (0x00007f07a4189000)
        libmetalink.so.3 => /lib64/libmetalink.so.3 (0x00007f07a3f7a000)

    You should see libcurl in the output. Just replace curl with zabbix-agent.

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  2. I wanted to expand on dawud's answer, which was correct, but somewhat incomplete.

    My environment is Debian Buster amd64 and Zabbix 4.4.5 rev b93f5c4fc0

    I needed to see if pre-compiled zabbix_server from Zabbix repo was compiled with libxml2 and libcurl for VMware monitoring, as per this article https://www.zabbix.com/documentation/current/manual/vm_monitoring

    So I performed:

    # ldd /usr/sbin/zabbix_server | egrep 'libxml2|libcurl'

    Which resulted in:

    libxml2.so.2 => /usr/lib/x86_64-linux-gnu/libxml2.so.2 (0x00007f784dbd1000)
libcurl.so.4 => /usr/lib/x86_64-linux-gnu/libcurl.so.4 (0x00007f784ce29000)

    The same can obviously be done with zabbix_agent

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