[CentOS] updating libvorbis

Tue Apr 26 09:34:58 UTC 2011
Johnny Hughes <johnny at centos.org>

On 04/26/2011 04:20 AM, Philippe Naudin wrote:
> Hello,
> On a machine with CentOS-5.6, I need libvorbis >= 1.2, so I have 
> recompiled and packaged libvorbis. 
> But I get the following error :
> $ rpm -U /usr/src/redhat/RPMS/x86_64/libvorbis-1.2.3-phn.1.x86_64.rpm /usr/src/redhat/RPMS/x86_64/libvorbis-devel-1.2.3-phn.1.x86_64.rpm
>         package libvorbis-1.1.2-3.el5_4.4.x86_64 (which is newer than libvorbis-1.2.3-phn.1.x86_64) is already installed
>         package libvorbis-devel-1.1.2-3.el5_4.4.x86_64 (which is newer than libvorbis-devel-1.2.3-phn.1.x86_64) is already installed
> Who knows how to make rpm understand than 1.2.3 is newer than 1.1.2 ?
> I have tried :
> %define name libvorbis
> Name:		%{name}
> Provides:	%{name} = %{version}-%{release}
> Obsoletes:	%{name} < %{version}-%{release}
> and the same thing for %{name}-devel, but without any success.
> "Yum update" also fails, with the following error :
> Examining /usr/src/redhat/RPMS/x86_64/libvorbis-1.2.3-phn.1.x86_64.rpm: libvorbis-1.2.3-phn.1.x86_64
> /usr/src/redhat/RPMS/x86_64/libvorbis-1.2.3-phn.1.x86_64.rpm: does not update installed package.
> Examining /usr/src/redhat/RPMS/x86_64/libvorbis-devel-1.2.3-phn.1.x86_64.rpm: libvorbis-devel-1.2.3-phn.1.x86_64
> /usr/src/redhat/RPMS/x86_64/libvorbis-devel-1.2.3-phn.1.x86_64.rpm: does not update installed package.
> No Packages marked for Update
> Can someone help me ?

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

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:


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