I ran across a problem when trying to build a package under mock on a
CentOS 5 host. It seems that when calling 'yum install' and passing
it a package & version, yum will go with the first match it finds
rather than the higher EVR package.
The problem I'm having is with the mysql(-devel) packages. I'm
trying to build a PHP RPM which has a buildreq of 'mysql-devel >
4.1.0'. The build fails because when mock calls yum, yum attempts to
install the mysql-devel from c5 base instead of the one from c5-
updates and then complains that the mysql version needed is not
available:
"Error: Missing Dependency: mysql = 5.0.22-2.1 is needed by package
mysql-devel"
So, here's some troubleshooting I've done
# rpm -q yum
yum-3.0.5-1.el5.centos.2
# yum -d9 install 'mysql-devel > 4.5'
(fails -- see http://rafb.net/p/boeCO625.html )
# yum -d9 install 'mysql-devel'
(works as expected, pulls in mysql-devel from updates -- see http://
rafb.net/p/lsnmUh26.html )
Now, if I change the name of the updates repo from 'updates' to
'aupdates' (alphabetically before the name of base, which is 'base'),
the first call to yum works...
[edit .repo file, rename 'updates' to 'aupdates']
# yum -d9 install 'mysql-devel > 4.5'
(works -- see http://rafb.net/p/z6h8os74.html )
So it seems to me that yum is going through the repos in alphabetical
order and taking the first match to the 'pkg > ver' argument. I've
set 'plugins=0' in /etc/yum.conf to verify that this isn't a plugin
issue (I haven't installed any anyway), but the problem persists. Am
I just doing something really stupid, or is this a bug in yum?
Thanks,
Jeff
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