On 12/20/2019 05:27 AM, Zbigniew Jędrzejewski-Szmek wrote: > On Thu, Dec 19, 2019 at 03:47:13PM -0600, Neal Gompa wrote: >>> == Release Notes == >>> The user /usr/bin/cc and /usr/bin/c++ symlinks are now managed by >>> update-alternatives. If you would like to change these symlinks to >>> point to another compiler, like clang, for example, you can use these >>> commands: >>> >>> `update-alternatives --set cc /usr/bin/clang` >>> >>> `update-alternatives --set c++ /usr/bin/clang++` >>> >> >> I don't know if I want *more* alternatives usage in Fedora. I like the >> fact that a basic buildroot is generally supposed to work without >> scriptlets... On the other hand, I think we're already using >> alternatives for ld... >> >> Aside from making it possible to swap the system compiler with >> alternatives, what benefit do we get? Are there other, less script-y >> approaches that we could use? > > I'm not sure that the benefits are really that big. For most cases, instead > of setting alternatives, the obvious solution would be to set $CC. Can you > expand a bit on why alternatives, which is effectively a global setting, > is preferred to a local override? >
This is a good point, and something I don't have numbers for yet. As mentioned in my other response, I've only done rebuilds with CC=/usr/bin/cc *and* the alternatives changes together. These changes together get around ~70% of the packages building with clang. -Tom > Zbyszek > _______________________________________________ > devel mailing list -- devel@lists.fedoraproject.org > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org > _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
