Each time I install a new perl5 release for testing, I pull in a couple of additional modules, tasks and bundles to feel at home. Bundle::CPANxxl and Test::Reporter::Transport::Metabase are among these.

I use the CPAN module and have a couple of special rules in my distroprefs directory (o conf prefs_dir). Distroprefs can apply local patches, fine-tune the build environment and prevent installations from turning interactive.

Although my CPAN configuration in ~/.cpan/CPAN/MyConfig.pm is shared among all perl instances, newly installed perls seem to ignore my distroprefs, however. Only after the Bundle::CPANxxl modules are installed, distroprefs seem to be effective. I have observed this with new builds of perl-5.26.0 on Debian GNU/Linux 8.

Now here is my question: If indeed a missing module prevents CPAN.pm from using its distroprefs, what is a minimal set of non-core modules that need to be installed in order for distroprefs to be working? I would like to reduce the risk of bootstrapping headaches by installing those first.

In reply to Prerequisites for CPAN.pm distroprefs by martin

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