Re: External library linking

And I've solved the ns3 problem as well. In ns/Makefile I added $(LIBS) to
line 110, where the libnsclick.so is generated, and then rebuild Click and
NS-3 and it works fine after that.

On Tue, Feb 14, 2012 at 3:51 PM, Anthony Dempsey
<[email protected]>wrote:

> So I fixed my problem first off I didn't need the lib part of libopenfec,
> that was my lack of knowledge and the second problem was I
> hadn't surrounded the imported header files from openfec with extern "C"{}
> as they are C header files instead of C++ header files.
>
> I've got one more problem in that it doesn't seem to work with ns-3 but I
> don't know if the external libraries get linked with ns.
>
> On Tue, Feb 14, 2012 at 12:38 AM, Cliff Frey <[email protected]> wrote:
>
>> You make need to do a clean rebuild if you added the ELEMENT_LIBS line to
>> your element more recently.  (there is a chance that you can just run 'make
>> elemlist', but I'm not sure)
>>
>> You can run make with V=1 in order to see the actual linker command that
>> click is using (instead of just seeing LINK).
>>
>> Cliff
>>
>> On Mon, Feb 13, 2012 at 3:07 PM, Anthony Dempsey <
>> [email protected]> wrote:
>>
>>> Hi I'm having problems linking the openfec library with click. I've
>>> compiled the openfec to a static .a library. It sees the .hh files I need
>>> but when ever I try to compile Click it either fails saying it can't find
>>> the library or tells me there are undefined references to the functions I
>>> call.
>>>
>>> At the bottom of my component I've included
>>>
>>> ELEMENT_LIBS(-L~/Documents/openfec/bin/Release -llibopenfec)
>>>
>>> but click can't find the file returning
>>>
>>> LINK click
>>> /usr/bin/ld: cannot find -llibopenfec
>>> collect2: ld returned 1 exit status
>>>
>>> when trying to link the files, this is in the userlevel directory.
>>>
>>> Is there anything else I need to do to get Click to find the file for me?
>>>
>>> Cheers,
>>> Anthony
>>> _______________________________________________
>>> click mailing list
>>> [email protected]
>>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>>
>>
>>
>