Maybe ldconfig is not looking for the correct directory.
Add the line where libgretl is, (looks like: /usr/local/lib) to
/etc/ldconfig.d/gretl or /etc/ldconfig.conf.
(I am away from Ubuntu right now so excuse any wrong paths/names).
Hélio
On Tue, Oct 9, 2012 at 4:19 PM, Matthieu Stigler
<matthieu.stigler(a)gmail.com> wrote:
 Thanks Ricardo for the answer!
 so should I run this $sudo ldconfig in any folder? I just tried and did not
 change it., see:
 $ sudo ldconfig
 [sudo] password:
 $ gretl
 /usr/local/bin/gretl_x11: error while loading shared libraries:
 libgretl-1.0.so.4: cannot open shared object file: No such file or directory
 are you assuming with the ldconfig approach that the "libgretl-1.0.so.4" is
 somewhere, just badly linked? I could not even locate it on the folders...
 where is it supposed to be?
 Thanks!!!
 Mat
 2012/10/9 Riccardo (Jack) Lucchetti <r.lucchetti(a)univpm.it>
>
> On Tue, 9 Oct 2012, Matthieu Stigler wrote:
>
>> Hi
>>
>> I am trying to compile gretl on Ubuntu 11.04, and get a problem, probably
>> a
>> stupid one...
>>
>> Even if installation (./configure without options, then make, then
>> checkinstall) is sucessfull, I then get while trying to launch gretl:
>> $ gretl
>> /usr/local/bin/gretl_x11: error while loading shared libraries:
>> libgretl-1.0.so.4: cannot open shared object file: No such file or
>> directory
>
>
> Try
>
> sudo ldconfig
>
> This should fix it once and for all.
>
> --------------------------------------------------
>  Riccardo (Jack) Lucchetti
>  Dipartimento di Economia
>
>  Università Politecnica delle Marche
>  (formerly known as Università di Ancona)
>
>  r.lucchetti(a)univpm.it
>  
http://www2.econ.univpm.it/servizi/hpp/lucchetti
> --------------------------------------------------
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