Guys I'm having problems, the program can't load the QPSQL driver:

QSqlDatabase: QPSQL driver not loaded
QSqlDatabase: available drivers:

How you can see, no drivers are available, but in the qt directory:

brevleq@brevleq:/usr/local/Trolltech/Qt-4.3.0/plugins/sqldrivers$ ls

libqsqlite.so libqsqlmysql.so libqsqlpsql.so
libqsqlite.so.debug libqsqlmysql.so.debug libqsqlpsql.so.debug

In Trolltech site they teaches how to build the driver, I did all they said but when I run ldd:

ldd libqsqlpsql.so
ldd: ./libqsqlpsql.so: No such file or directory

how can I resolve it?