Re: [LAD] question on dynamic linking

2007/9/27, Stefano D'Angelo <zanga.mail@email-addr-hidden>:
> 2007/9/27, nescivi <nescivi@email-addr-hidden>:
> > Hiho,
> >
> > I am having a discussion on the supercollider front about what is the proper
> > way for dynamic linking.
> >
> > as far as I know, you use ldconfig and have the library location that programs
> > dynamically link to defined in /etc/ld.so.conf
> >
> > but what is supposed to happen if the user just installs the program to a
> > directory in his home directory?
> > how should the dynamic linking be defined?
> >
> > esp. if the user does not have the root rights to change anything
> > in /etc/ld.so.conf or to run ldconfig.
> >
> > I did not find anything quick on the net about this, so maybe one of you can
> > enlighten me what is the "proper" way of dealing with this.
>
> http://www.opengroup.org/onlinepubs/009695399/functions/dlopen.html
>
> "The file argument is used to construct a pathname to the object file.
> If file contains a slash character, the file argument is used as the
> pathname for the file. Otherwise, file is used in an
> implementation-defined manner to yield a pathname."
>
> As you can see one can specify the full path to dlopen(), so I think
> it would be good that the app handles this properly.
>
> I think that a program should look for plugins in:
> o LIBDIR/<app_name>/<whatever> (*)
> o ~/.<app_name>/<whatever>
>
> * IIRC, there's also an Automake default directory variable returning
> LIBDIR/<app_name>.

Whoops.. I thought we were talking about runtime dynamic loading
(plugins). Sorry!

Stefano
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Received on Fri Sep 28 20:15:01 2007