couenne: error while loading shared libraries: libcoinscip.so.0: cannot open shared object file: No such file or directory

coin-or / Couenne

Convex Over and Under Envelopes for Nonlinear Estimation

Eclipse Public License 1.0

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couenne: error while loading shared libraries: libcoinscip.so.0: cannot open shared object file: No such file or directory #46

Closed yifanguan closed 4 years ago

yifanguan commented 4 years ago

My system: Linux Ubuntu 16.04 I followed the installation instruction listed in Github README. I downloaded all required third-party codes as well. All other commands installed along with couenne work fine (e.g. bonmin, cbc, etc).

I got the following error when I try to run couenne command: couenne: error while loading shared libraries: libcoinscip.so.0: cannot open shared object file: No such file or directory

Please help! Thanks!

merraksh commented 4 years ago

Hi,

you may want to try to re-configure with the option --without-scip.

Regards,

Pietro

tkralphs commented 4 years ago

That is quite strange. Can you post the exact sequence of commands? You should not get a dependence on SCIP unless you downloaded SCIP manually yourself. I don't see much reason to do that with Couenne.

The easiest way to get all the dependencies and to build Couenne these days is to use coinbrew (https://coin-or.github.io/coinbrew). When I get a little time, I'll change the README to reflect that.

yifanguan commented 4 years ago

@merraksh Thank you for answering! Is SCIP a mandatory part of Couenne? My program needs precise solutions, and I do not care about runtime speed.

yifanguan commented 4 years ago

@tkralphs I followed the instruction in ThirdParty/SCIP/INSTALL.SCIP, which asks me to download files from the SCIP website and put the extracted folder inside ThirdParty/SCIP as ThirdParty/SCIP/scip.

The exact sequence of commands I used: cd Couenne cd ThirdParty # Read INSTALL.* file in each subdirectory and get third party software cd .. mkdir build cd build ../configure -C --prefix=/usr/local make make install

It seems coinbrew is much easy to use to install Couenne. Thank you!

merraksh commented 4 years ago

Hi,

no, SCIP is not mandatory unless you want to use the Feasibility Pump heuristic, which is computationally heavy and therefore not on by default. If you care about precise solution you don't need to download SCIP.

Regards,

Pietro

yifanguan commented 4 years ago

@tkralphs coinbrew works like a charm. In case anyone wants to know how to use it, these are the command I execute in order:

wget https://raw.githubusercontent.com/coin-or/coinbrew/master/coinbrew
chmod u+x coinbrew
./coinbrew fetch Couenne@0.5.8
./coinbrew build Couenne --test --enable-debug --prefix=/usr/local

Thank you to @tkralphs and @merraksh for quick responses. I'm going to close this issue. If I have other questions, I will open a new issue.