Hi all, I have just realized that I made a mistake sending my new question instead I send the previous one... My apologizes for that. Please find here, the original question. Speaking with some people on the #R chan on irc (freenode) one question shows up, What happened if a library is installed by RPM but was already installed before through the R cmd install command ? Which one of the 2 libraries is used ? Quite some libraries that I have made are noarch libraries, I install them in /usr/share whereas the r cmd install install them in /usr/lib. Which mean that we can have twice the same library. Then, I was wondering whether we should include a way to check for the presence of a library before install it. What do you think of it ?? Other question, in the case that the library has not been installed at the right place should we remove it ? (before install it through the rpm) Best regards, ~pingou ___________________________________________________________________________ Yahoo! Mail réinvente le mail ! Découvrez le nouveau Yahoo! Mail et son interface révolutionnaire. http://fr.mail.yahoo.com