On Thu, Feb 15, 2024 at 11:13:08AM +0000, Richard W.M. Jones wrote: > We noticed that some ghc-* packages FTBFS with Modern C failures eg > these two picked at random: > > https://koji.fedoraproject.org/koji/taskinfo?taskID=113534568 > https://koji.fedoraproject.org/koji/taskinfo?taskID=113534602 > > I think what's happening here is that ghc is generating C FFI code > which is fed to GCC 14. The code being generated is buggy. > > So probably the fix for this is just in ghc itself. I looked at > upstream ghc and wasn't able to identify any commits which fix this > (except maybe > https://github.com/ghc/ghc/commit/b3a3534b6f75b34dc4db76e904e071485da6d5cc). > But I didn't look especially hard and the code is very complicated. > > An alternative to fixing this in the compiler is to throw up our hands > and add: > > %global build_type_safety_c 0 Please don't if at all possible. > to every affected ghc-* package. eg This fixes ghc-readline: > > https://koji.fedoraproject.org/koji/taskinfo?taskID=113535426 > > Any thoughts on this? The diagnostics is quite clear what needs to be done, in some cases #include <stdlib.h>, in others (uintptr_t) cast added when you want to assign a pointer to ffi_arg which is integral type. Perhaps stdint.h include for that. Jakub -- _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
