[CentOS] Can someone explain this?

> -----Original Message-----
> From: Robert Heller
> Sent: Friday, June 07, 2013 12:39
> 
> Installed version of doxygen (stock CentOS 5.9):
> 
> Name        : doxygen                      Relocations: (not 
> relocatable)
> Version     : 1.4.7                             Vendor: CentOS
> Release     : 2                             Build Date: Mon 
> 11 Jun 2012 04:50:22 AM EDT
> Install Date: Fri 07 Jun 2013 12:14:55 PM EDT      Build 
> Host: builder10.centos.org
> Group       : Development/Tools             Source RPM: 
> doxygen-1.4.7-2.src.rpm
> Size        : 6518061                          License: GPL
> Signature   : DSA/SHA1, Mon 11 Jun 2012 07:12:14 AM EDT, Key 
> ID a8a447dce8562897
> URL         : http://www.stack.nl/~dimitri/doxygen/index.html
> Summary     : A documentation system for C/C++.
> Description :
> Doxygen can generate an online class browser (in HTML) and/or 
> a reference manual (in LaTeX) from a set of documented source 
> files. The documentation is extracted directly from the 
> sources. Doxygen can also be configured to extract the code 
> structure from undocumented source files.
> 
> Updated version I built (I need the newer version for a 
> project I am working
> on):
> 
> Name        : doxygen                      Relocations: (not 
> relocatable)
> Version     : 1.7.4                             Vendor: 
> Dimitri van Heesch
> Release     : 1                             Build Date: Thu 
> 07 Mar 2013 03:35:19 PM EST
> Install Date: (not installed)               Build Host: 
> sauron.deepsoft.com
> Group       : Development/Tools             Source RPM: 
> doxygen-1.7.4-1.src.rpm
> Size        : 12551071                         License: GNU 
> General Public License
> Signature   : DSA/SHA1, Thu 07 Mar 2013 03:44:05 PM EST, Key 
> ID 2c1dec90653a4d80
> Packager    : Robert Heller <heller at deepsoft.com>
> URL         : http://www.stack.nl/~dimitri/doxygen/index.html
> Summary     : A documentation system for C/C++.
> Description :
> Doxygen can generate an online class browser (in HTML) and/or 
> a reference manual (in LaTeX) from a set of documented source 
> files. The documentation is extracted directly from the 
> sources. Doxygen can also be configured to extract the code 
> structure from undocumented source files.
> 
> This is what 
> 
> rpm -hUv /extra/heller/src/RPMS/x86_64/doxygen-1.7.4-1.x86_64.rpm
> 
> tells me:
> 
> Preparing...                
> ##################################################
>     package doxygen-1.4.7-2.x86_64 (which is newer than 
> doxygen-1.7.4-1.x86_64) is already installed

Check the epoch

> 
> So a package built in June of *last year*, with an lower 
> version number is newer than a package built in March of this 
> year?  In which universe is RPM living in?
> 

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