Le mar 26 avr 2011 04:34:58 CEST, Johnny Hughes a écrit: > CentOS, Red Hat and Fedora use an NEVR model > (Name-Epoch-Version-Release) for version control. > > This command shows that libvorbis has an epoch of 1: > > [root at m4500 ~]# rpm -q --qf '%{epoch}\n' libvorbis > 1 > > The default Epoch, if undefined, is (none) ... or 0. > > You need to set the epoch in your spec file to at least 1 to make it > newer than the installed libvorbis. > > See this link to read about epoch: > > http://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-specfile-syntax.html Thanks a lot for this explanation, and for the URL : it is exactly what I needed. -- Philippe