Page MenuHomeFreeBSD

sys: Switch the kernel's C standard from C99 to GNU99.
ClosedPublic

Authored by jhb on Jun 20 2023, 2:54 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sun, Oct 12, 5:57 PM
Unknown Object (File)
Sun, Oct 12, 5:57 PM
Unknown Object (File)
Sun, Oct 12, 5:57 PM
Unknown Object (File)
Sun, Oct 12, 5:47 PM
Unknown Object (File)
Sun, Oct 12, 6:28 AM
Unknown Object (File)
Tue, Sep 30, 2:12 AM
Unknown Object (File)
Sep 15 2025, 12:31 PM
Unknown Object (File)
Aug 22 2025, 3:04 AM
Subscribers

Details

Summary

This matches the default used in userland, and the kernel already
depends on various GNU extensions to standard C that are supported by
both clang and GCC.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

imp added inline comments.
sys/conf/kern.mk
289

I have changes that remove support for k7r, c90 and c95 here.
Comments on committing that?

This revision is now accepted and ready to land.Jun 20 2023, 2:59 PM
sys/conf/kern.mk
319

Also, we can likely remove this line.

sys/conf/kern.mk
289

I think that's fine, we aren't likely to compile as pre-C99 now.

319

Yes. this is now stale.