sys: Switch the kernel's C standard from C99 to GNU99.
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Authored by jhb on Jun 20 2023, 2:54 PM.

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rGec41a96daaa6: sys: Switch the kernel's C standard from C99 to GNU99.

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.

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Repository

rG FreeBSD src repository

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Build Status

Buildable 52181
Build 49072: arc lint + arc unit

Event Timeline

jhb created this revision.Jun 20 2023, 2:54 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 20 2023, 2:54 PM

jhb requested review of this revision.Jun 20 2023, 2:54 PM

jhb added a child revision: D40647: amd64: Use __seg_gs to implement per-CPU data accesses..

Harbormaster completed remote builds in B52181: Diff 123517.Jun 20 2023, 2:54 PM

imp accepted this revision.Jun 20 2023, 2:59 PM

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

imp added inline comments.Jun 20 2023, 2:59 PM

sys/conf/kern.mk
319	Also, we can likely remove this line.

jhb added inline comments.Jun 20 2023, 3:10 PM

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.

jhb mentioned this in D40812: i386: Link kernel against libcompiler_rt when using GCC..Jun 30 2023, 9:56 PM

Closed by commit rGec41a96daaa6: sys: Switch the kernel's C standard from C99 to GNU99. (authored by jhb). · Explain WhyJul 1 2023, 7:23 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rGec41a96daaa6: sys: Switch the kernel's C standard from C99 to GNU99..

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sys/

conf/

kern.mk

2 lines

Diff 123517

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