Re: [ESPResSo-users] error at run time loading shared tcl lib

[Olaf Lenz]

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Hi Philippe!

On 05/25/2012 03:07 PM, address@hidden wrote:
> I’ve installed Espresso without problems, but at run time, the
> reply to “ ./Espresso” is : “Error while loading shared libraries:
>  libtcl8.5.so : cannot open shared object file : no such file or 
> directory”

> Can you help me to fix this problem, please ?

libtcl8.5.so is a library that is needed by ESPResSo. It looks as though
it can not be found by the ESPResSo binary. I can think of a number of
reasons why that happens:

* Do you run ES on the same machine where you compiled it? If not, it
might be that on the machine where you run it, Tcl is not installed. In
that case, install it.

* Try the command "ldd Espresso" in the directory where you compiled
ESPResSo. Usually, it should show you where Espresso finds the different
dynamical libraries that it uses. I guess that you will see that it
doesn't find libtcl8.5.so.

* If that is the case, try to locate the file "libtcl8.5.so" in your
system, e.g. by using "locate libtcl8.5.so". If you can't find the file
like that, have a look at the file "config.log" that was created when
you compiled ES. Apparently, the build system was able to find the file,
so it should be there somewhere.

* When you have located the file, put it into the environment variable
"LD_LIBRARY_PATH" (e.g. by using "export LD_LIBRARY_PATH=/usr/lib64").
Now try starting Espresso again. Hopefully now it runs.

If it doesn't, please contact the mailing list again.

Olaf

- -- 
Dr. rer. nat. Olaf Lenz
Institut für Computerphysik, Pfaffenwaldring 27, D-70569 Stuttgart
Phone: +49-711-685-63607
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