When running ovniver without LD_LIBRARY_PATH set, the loader couldn't
find any ovni installation and therefore was failing to start the
program. With this change we set the RUNPATH (not RPATH) of ovniver to
the installation libdir, so when no other libovni library is loaded via
LD_LIBRARY_PATH the one provided by the same source as ovniver is used.
The value of LD_LIBRARY_PATH is also printed so we can determine where
it may be loading libovni. Using LD_DEBUG=libs will give more
information of the search process.
Fixes: https://pm.bsc.es/gitlab/rarias/ovni/-/issues/163
Rodrigo Arias
6d584c646c