Description

Discovered today with linux build. As Centos-7 reached EOL -- but still being supported - mirrorlist.centos.org was decommissioned, breaking "before-all" installation of packages using yum.

https://serverfault.com/questions/1161816/mirrorlist-centos-org-no-longer-resolve#:~:text=Centos%207%20has%20reached%20EOL,centos.org%20will%20work%20well.

suggests a simple sed script to change mirrorlists.centos.org to vault.centos.org.

Perhaps documentation could suggest this?

The following is working for me:

before-all = "sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo ; sed -i s/^#.baseurl=http/baseurl=http/g /etc/yum.repos.d/.repo; yum -y install flex bison cmake"

I am happy for cibuildwheel to continue with centos-7 as I have servers that require it. Just a little tweak needed.

Build log

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CI config

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