Packages to install before we can create RPM packages:

# yum install rpm-build redhat-rpm-config  

(The package redhat-rpm-config is for rpmbuild build macros and helper scripts needed to build SRPMs targeted on CentOS)

Other packages needed for compiling :

# yum install make gcc

References:

• http://wiki.centos.org/HowTos/SetupRpmBuildEnvironment
• http://www.rpm.org/max-rpm/
• http://www.gurulabs.com/downloads/GURULABS-RPM-LAB/GURULABS-RPM-GUIDE-v1...
• http://fedoraproject.org/wiki/Docs/Drafts/BuildingPackagesGuide