[CentOS] Making rpm from tar.gz

Mon Apr 23 13:15:53 UTC 2007
Ioannis Vranos <ivranos at freemail.gr>

OS: CentOS 5 x86.


I have read in some places that we can make an rpm package from tar.gz, 
by issuing rpmbuild -ta. However it doesn't seem to work. Any hints?