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Differential D45193

arm: fail early on gcc builds
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Authored by brooks on Tue, May 14, 12:11 AM.
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emaste

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imp
jhb
andrew
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rG4c0dfd5959bd: arm: fail early on gcc builds
Summary

Since at least 2022 (see https://reviews.freebsd.org/D36754), it has
not been possible to build armv6/armv7 with gcc due to atomics macros
gcc doesn't like. Prevent developers doing due diligance from wasting
time and CPU cycles on this combination as it just fails to build in
libc.

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rG FreeBSD src repository
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Event Timeline

brooks created this revision.Tue, May 14, 12:11 AM
Herald added a subscriber: emaste. · View Herald TranscriptTue, May 14, 12:11 AM
brooks requested review of this revision.Tue, May 14, 12:11 AM
Harbormaster completed remote builds in B57699: Diff 138513.Tue, May 14, 12:11 AM
imp accepted this revision.Tue, May 14, 6:31 PM

I'd be more inclined to land the other review, but until it does, this isn't bad.

This revision is now accepted and ready to land.Tue, May 14, 6:31 PM
andrew accepted this revision.Wed, May 15, 10:14 AM

I have a few fixes for some of the build issues with gcc, but c++ bits of world and kernel modules are broken.

Makefile.inc1
180

I've seen more issues than that with gcc 13

jhb added a comment.Thu, May 16, 5:39 PM

Only amd64 and i386 successfully build with GCC currently. risc-v needs GCC's libatomic to link, powerpc and arm break in various ways. There's a reason that only amd64 GCC builds are enabled in CI. The toolchains do exist for all of our platforms, but getting things to build there is more of an aspiration.

Closed by commit rG4c0dfd5959bd: arm: fail early on gcc builds (authored by brooks). · Explain WhyFri, May 17, 4:02 PM
This revision was automatically updated to reflect the committed changes.
brooks added a commit: rG4c0dfd5959bd: arm: fail early on gcc builds.

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Makefile.inc1

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