[Coin-discuss] link problems with Cbc 2.3

[Michal Kaut]

Once more thanks for a quick help.

Stefan Vigerske wrote:
> probably you need the amplsolver.a from ThirdParty/ASL. It is not linked
> into any coin libraries and not installed into lib, that's a kind of bug.

It removed some of the linking errors, but I am still missing references 
to 'dlopen', 'dlerror', 'dlsym', and 'dlsclose'.
Btw, with the danger of sounding completely lame, how do I link a file 
called amplsolver.a with gcc? I ended up making a symling called 
libamplsolver.a, but there must be a nicer way..


> However, just don't download the AMPL stuff and configure/build cbc
> then. ASL is optional, and it should be avoided whenever possible ;-).

Looks like the best option, as I don't need it for this project.
Can I disable it in the configure script, so I can have one build with 
and one build without it?

I also checked and the 2.2 version that works for me was built without 
ASL, so I take back the point that it worked in 2.2 and does not in 2.3.


Anyway, once more thanks for the help and have a nice weekend.

Michal


> Michal Kaut wrote:
>> Hello,
>>
>> I have a code that works fine with Cbc 2.2, but when I try to build it 
>> with Cbc 2.3 (stable), the linker complains about undefined references 
>> to ASL-related stuff: f_read_ASL, ASL_alloc, suf_iput_ASL, ...
>>
>> Do I have to link some additional library?
>> (I am already linking OsiCbc, Cbc and CbcSolver.)
>>
>> I have downloaded the AMPL stuff in the ThirdParty folder and cbc 
>> executable has built without problems.
>>
>>
>> Thanks
>>
>> Regards,
>> Michal Kaut
>>
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