Can´t locate libgsl.so.23 even though installed

Question

I am trying to run molflow on my computer (ubuntu 16.04.5 unity DE) and I have installed all the dependencies that are required. Even so when trying to start the program I get the following error:

user@computer:~/molflow_linux_debian_2.7.3$ ./molflow 
./molflow: error while loading shared libraries: libgsl.so.23: cannot open shared object file: No such file or directory

I have looked into the available packages using apt-get and I have tried looking for it online but I can´t seem to find where to get this library. Help is much appreciated.

Thanks in advance

Solution

I installed gsl-2.5 from GNU FTP site on Ubuntu 14.04 and encountered the same error. libgsl.so.23 is installed by default under the path of /usr/local/lib. But the operating system could not be able to locate the file at runtime.

I solved the problem with sudo ldconfig command according to the suggestion in this post.

gsl documentation site mentions this error and provides another solution with the following commands.

$ LD_LIBRARY_PATH=/usr/local/lib
$ export LD_LIBRARY_PATH

Comments

[steeldriver]

How did you install the dependencies? if you installed libgsl2 from the 16.04 repository, it will only provide libgsl.so.19 I think (libgsl.so.23 is the default on 18.04)

[kaasknak]

I used apt-get to install the dependencies. It seemed that installing the 32bit version of libsdl2 worked. It is now looking for libSDL2-2.0.so.0 still

[kaasknak]

Okay. I´ll see if I can find the source somewhere. Thanks.

[steeldriver]

If installing the 32 bit version solved the issue then please ignore my comment about installing a newer version. (I actually wondered whether 32/64 bit was the issue but didn't see anything on the molflow page indicating that it was a 32-bit application)

[kaasknak]

It solved the issue for one library but not for another one. Compiling from source was a success only I have to find out how to link to it now.