... The RedHat Package Manager (RPM) software is one such which is available for many platforms. ... it keeps track of installed packages and package version numbers, and all files associated with each package. ... Buildrequires expresses the additional packages required at build time and fixup expresses files that have to be changed at installation. ... The resulting RPM files are re-locatable so you don't have to install the packages in the default location ( /star ). ...