Hi, Bone Baboon via Bug reports for GNU Guix writes: > On a x86_64 computer when I run `guix build --no-substitutes > offlineimap` the build fails because the "test_ipv6_available" test > fails. > > In the system configuration ipv6 is disabled: [...] > Taking the failing test's name "test_ipv6_available" literally I would > like to ask if having this test required to build this offlineimap > dependency is necessary? Could this test be allowed to fail or be > skipped without failing the build? This would accommodate Guix users > who have disabled ipv6. I will defer to the Guix maintainers on this question, but I just wanted to point out that since 'offlineimap' is the _only_ package in Guix that depends on the 'python2-rfc6555' package, it's quite painless to work around this particular issue using Guix's "--without-tests" package transformation option. From the command line, you can simply do this: guix build offlineimap --without-tests=python2-rfc6555 Within an OS configuration, or within a profile "manifest" file (if you use "guix package --manifest", which is highly recommended), you can use the following Scheme expression in place of 'offlineimap': --8<---------------cut here---------------start------------->8--- (let ((transform (options->transformation '((without-tests . "python2-rfc6555"))))) (transform offlineimap)) --8<---------------cut here---------------end--------------->8--- Note that you'll also need to put "(use-modules (guix transformations))" at the top of the file, to import the 'options->transformation' procedure. Please let us know if this works for you. Thanks, Mark -- Disinformation flourishes because many people care deeply about injustice but very few check the facts. Ask me about .