Debugging CPAN Build Problems
Debugging CPAN Build Problems expanded from the parent Life with CPAN page to better cover common problems encountered when building Perl modules.
On a related note, introducing captive user interfaces into what otherwise would be an automated build process hurts, especially when the prompt routine does not show the question, or indicate why the test process now mysteriously hangs. Instead of relying on fragile interactivity, require environment variables or a configuration file, and bail out with a clear error message if anything required is missing.
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