[Freeswitch-dev] Linking C++ .so Into Custom Freeswitch Module

[Anthony Minessale]

if you want to do it that way then build a static version of your aw.so and
use the .a in the LOCAL_LIBADD

if you want to do the .so it would have to be installed somewhere and in
the LD_LIBRARY_PATH at runtime

On Fri, Sep 28, 2012 at 10:56 AM, Jon Lederman <jon2718 at gmail.com> wrote:

> Hi,
>
> Thanks for your reply.  The problem is that I'm not sure I'm linking the
> external libs correctly.  My module makefile is:
>
> BASE=../../../..
> LOCAL_LIBADD+=./lib/aw.so
> include $(BASE)/build/modmake.rules
>
> Shouldn't LOCAL_LIBADD be enough.  Or do I need additional statements in
> my makefile.  The aw.so defines the symbol in question yet I still receive
> the missing symbol message when I try to load the module.
>
> Any help would be greatly appreciated.
>
> Thanks in advance.
>
> Jon
>
>
> On Sep 28, 2012, at 11:27 AM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
> to auto-load you also need modules.conf.xml modules.conf is only for
> building.
>
> The module can't load because it's missing the symbol:
>
> ZN10CAWETalker9ConfigureEPKc
>
> So you need to link in any external libs you might be using into your .so
>
>
> On Fri, Sep 28, 2012 at 12:05 AM, Jon Lederman <jon2718 at gmail.com> wrote:
>
>> Hi,
>>
>> I am writing a custom module called mod_aw for freeswitch that uses a
>> dynamic library called aw.so containing a c++ class.  I edited the makefile
>> for my module to:
>>
>> BASE=../../../..
>> LOCAL_LIBADD+=./lib/aw.so
>> include $(BASE)/build/modmake.rules
>>
>> I am able to build the module and also modified modules.conf to include
>> the new module.
>>
>> When I start freeswitch, I don't see a message that the module was loaded.
>>
>> When I type: reload mod_aw I receive the following error:
>>
>> 2012-09-28 04:49:52.738493 [CRIT] switch_loadable_module.c:1310 Error
>> Loading module /usr/local/freeswitch/mod/mod_aw.so
>> **/usr/local/freeswitch/mod/mod_aw.so: undefined symbol:
>> _ZN10CAWETalker9ConfigureEPKc**
>>
>> -ERR unloading module [No such module!]
>> +OK Reloading XML
>> -ERR loading module [module load file routine returned an error]
>>
>> I know the library works as I have tried it in another program outside of
>> freeswitch.  I am not sure what I am doing wrong.  I am wondering whether I
>> need to provide extern "C" linkage for the c++ library.  However, I only
>> have the .h file and .so file for the library.  Or, do I need to add
>> something to my Makefile.
>>
>> Any help on how to configure this would be greatly appreciated.
>>
>> Thank you in advance.
>>
>> -Jon
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
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>
>
>
> --
> Anthony Minessale II
>
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>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-dev mailing list
> FreeSWITCH-dev at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
> http://www.freeswitch.org
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-dev mailing list
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>
>


-- 
Anthony Minessale II

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Twitter: http://twitter.com/FreeSWITCH_wire

AIM: anthm
MSN:anthony_minessale at hotmail.com
GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
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