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Unable to build Janus https://github.com/meetecho/janus-gateway in Ubuntu 22.04/

I had openssl 3.0.2 preinstalled in my system.

I built Janus using

sh autogen.sh 
./configure --prefix=/opt/janus 
make

Got following error:

/usr/bin/ld: janus-dtls.o: undefined reference to symbol 'SSL_CTX_ctrl@@OPENSSL_3.0.0'
/usr/bin/ld: /lib/x86_64-linux-gnu/libssl.so.3: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status`

I need to build Janus in my Ubuntu 22.04

Clifford
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Santosh Pandey
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  • You need to add more details, such as your `configure` command options and compiler being used. And doesn't Ubuntu have Janus packages you can just install? – Andrew Henle Mar 13 '23 at 11:54
  • I build janus using sh autogen.sh ./configure --prefix=/opt/janus make and in running make I got the error – Santosh Pandey Mar 13 '23 at 11:59
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    Building a project rather than coding is arguably off-topic here. You may be better off with the Janus Community support: https://janus.discourse.group/ – Clifford Mar 13 '23 at 12:00
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    When asked to add information, you should update the question rather then providing the information in a comment. That is how SO works, it is not a discussion forum, and as you can see your formatting options are limited in comments. Your formatting was in any case incorrect in the question. Fixed. – Clifford Mar 13 '23 at 12:03
  • Possibly also relevant: https://stackoverflow.com/questions/41551310/openssl-1-0-1f-and-undefined-reference-to-symbol-ssl-stateopenssl-1-0-0 (see also the links in the comments to that question). – Clifford Mar 13 '23 at 12:16
  • `make`'s output will also contain the build command that is responsible for those error messages. Probably a `gcc` command immediately preceding. That would be relevant to the question. – John Bollinger Mar 13 '23 at 12:24

1 Answers1

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For the DSO missing (Dynamic linker), you need to add this to your build commands -lpthread.

For the undefined reference, it's either you completely forgot to add OpenSSL lib to your linking command, or the order is not correct.

Albert Shown
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