We ran into this too. I assume it is due to the change from using openssl as a 
shared library to a statically linked one.

We were able to resolve by setting the environment variable “LDFLAGS” to a 
value of “-pthread” before the make command.

$ LDFLAGS=-pthread make …

or

$ export LDFLAGS=-pthread
$ make …

I’m not a C expert, but that could possibly be added to the standard OpenSIPS 
build configuration.

Ben Newlin

From: Users <users-boun...@lists.opensips.org> on behalf of Saurabh Chopra 
<saura...@3clogic.com>
Date: Saturday, January 15, 2022 at 2:48 AM
To: OpenSIPS users mailling list <users@lists.opensips.org>, Răzvan Crainea 
<raz...@opensips.org>, li...@opensips.org <li...@opensips.org>
Subject: Re: [OpenSIPS-Users] Facing some issue while running opensips 3.2 
latest branch with openssl-1.1.1
Hi Opensips Team/ Razvan,

Thanks for the response, but when i tried to compile opensips version (3.2.3) 
with latest openssl version (3.0.1 14 Dec 2021) on Centos 7 machine, it throws 
me erros,

Linking opensips
main.o: In function `pthread_mutex_init':
/opt/opensips-codechanged-3.2/ssl_tweaks.h:32: undefined reference to 
`pthread_mutexattr_setpshared'
/opt/opensips-codechanged-3.2/ssl_tweaks.h:38: undefined reference to 
`pthread_mutexattr_destroy'
/opt/opensips-codechanged-3.2/ssl_tweaks.h:26: undefined reference to 
`pthread_mutexattr_init'
main.o: In function `pthread_rwlock_init':
/opt/opensips-codechanged-3.2/ssl_tweaks.h:64: undefined reference to 
`pthread_rwlockattr_setpshared'
/opt/opensips-codechanged-3.2/ssl_tweaks.h:70: undefined reference to 
`pthread_rwlockattr_destroy'
/opt/opensips-codechanged-3.2/ssl_tweaks.h:58: undefined reference to 
`pthread_rwlockattr_init'
collect2: error: ld returned 1 exit status
make: *** [opensips] Error 1

Same errors found on the GITHUB ticket 
https://github.com/OpenSIPS/opensips/issues/2088<https://github.com/OpenSIPS/opensips/issues/2088>
 but the machine was Debian. And the package dependencies in the answer given 
by Liviu let us install openssl version 1.0.2, which we don't want to, because 
if we do, it will compile the opensips with 1.0.2 openssl version.

Kindly help us in this matter, we are stuck here.

Best Regards
Saurabh Chopra
+918861979979


On Mon, Jan 3, 2022 at 2:06 PM Răzvan Crainea 
<raz...@opensips.org<mailto:raz...@opensips.org>> wrote:
Hi, Sasmita!

You probably compiled opensips 3.2 with a previous openssl version, then
replaced it with the new one.
You need to re-compile tls_openssl with the new version to get this fixed.

Best regards,

Răzvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com<http://www.opensips-solutions.com>

On 12/21/21 12:30, Sasmita Panda wrote:
> Hi All ,
>
> I have taken opensips 3.2 latest code and configure with tls_openssl to
> support proto_tls proto_wss and tls_gm .
> I have installed openssl-1.1.1 . (Rtpeninge latest branch is not
> suported with older version of openssl , so I have taken the newer
> version here )
>
>
> Installation is successful . While running the opensips process I am
> getting the below error .
> *ERROR:core:sr_load_module: could not open module
> </usr/local/lib64/opensips/modules/auth.so>:
> /usr/local/lib64/opensips/modules/auth.so: undefined symbol: EVP_MD_CTX_free
>   ERROR:core:load_module: failed to load module
>   Traceback (last included file at the bottom):
>   0. /usr/local/etc/opensips/opensips_webrtc_reg.cfg
>   CRITICAL:core:yyerror: parse error in
> /usr/local/etc/opensips/opensips_webrtc_reg.cfg:134:13-14: failed to
> load module auth.so
> *
>
> * ERROR:core:sr_load_module: could not open module
> </usr/local/lib64/opensips/modules/tls_openssl.so>:
> /usr/local/lib64/opensips/modules/tls_openssl.so: undefined symbol:
> OPENSSL_sk_num
>   ERROR:core:load_module: failed to load module
>   Traceback (last included file at the bottom):
>   0. /usr/local/etc/opensips/opensips_webrtc_proxy.cfg
>   CRITICAL:core:yyerror: parse error in
> /usr/local/etc/opensips/opensips_webrtc_proxy.cfg:77:13-14: failed to
> load module tls_openssl.so*
>
> Can anyone help me how to resolve this please ?
>
> */Thanks & Regards/*
> /Sasmita Panda/
> /Senior Network Testing and Software Engineer/
> /3CLogic , ph:07827611765/
>
> _______________________________________________
> Users mailing list
> Users@lists.opensips.org<mailto:Users@lists.opensips.org>
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users<http://lists.opensips.org/cgi-bin/mailman/listinfo/users>

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