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Date:      Fri, 31 Oct 2025 13:20:05 -0300
From:      Jose Luis Duran <jlduran@freebsd.org>
To:        Dimitry Andric <dim@freebsd.org>
Cc:        src-committers@freebsd.org, dev-commits-src-all@freebsd.org,  dev-commits-src-main@freebsd.org
Subject:   Re: git: 51e8e8b0f369 - main - Merge commit e24f90190c77 from llvm git (by Brad Smith):
Message-ID:  <CAPwQLcciYqxWgX=xthTaWZ3-CsA6jvBOywdKFKC83Qx20G0U9Q@mail.gmail.com>
In-Reply-To: <16C4264B-2E85-4522-8EBB-4BDF206F959D@FreeBSD.org>
References:  <202510291850.59TIofPQ001392@gitrepo.freebsd.org> <CAPwQLcfHQTev4Jc7ib1Zep2h089kBe68rjE1h04599%2BX9qiTsA@mail.gmail.com> <16C4264B-2E85-4522-8EBB-4BDF206F959D@FreeBSD.org>
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On Fri, Oct 31, 2025 at 12:48 PM Dimitry Andric <dim@freebsd.org> wrote:
>
> On 31 Oct 2025, at 14:48, Jose Luis Duran <jlduran@FreeBSD.org> wrote:
> >
> > On Wed, Oct 29, 2025 at 3:50 PM Dimitry Andric <dim@freebsd.org> wrote:
> >>
> >> The branch main has been updated by dim:
> >>
> >> URL: https://cgit.FreeBSD.org/src/commit/?id=51e8e8b0f36933814b1be08913857727876aece5
> >>
> >> commit 51e8e8b0f36933814b1be08913857727876aece5
> >> Author:     Dimitry Andric <dim@FreeBSD.org>
> >> AuthorDate: 2025-10-29 18:49:54 +0000
> >> Commit:     Dimitry Andric <dim@FreeBSD.org>
> >> CommitDate: 2025-10-29 18:49:54 +0000
> >>
> >>    Merge commit e24f90190c77 from llvm git (by Brad Smith):
> >>
> >>        [Driver] Enable outline atomics for FreeBSD/aarch64 (#156089)
> >>
> >>    The compiler_rt helper functions have been built since 12.4, 13.1, 14
> >>    and anything newer.
> >>
> >>    MFC after:      3 days
> >> ---
> >> contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h | 5 +++++
> >> 1 file changed, 5 insertions(+)
> >>
> >> diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
> >> index 7ab63905ed4f..7d090ba682b3 100644
> >> --- a/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
> >> +++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/FreeBSD.h
> >> @@ -78,6 +78,11 @@ public:
> >>   void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
> >>                          llvm::opt::ArgStringList &CC1Args) const override;
> >>
> >> +  bool IsAArch64OutlineAtomicsDefault(
> >> +      const llvm::opt::ArgList &Args) const override {
> >> +    return true;
> >> +  }
> >> +
> >>   UnwindTableLevel
> >>   getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
> >>   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
> >
> > I'm sure you're probably aware by now, but aarch64 builds are failing
> > after this commit:
> >
> > https://ci.freebsd.org/job/FreeBSD-main-aarch64-build/33100/
>
> It's weird, but I cannot reproduce it. For me, both world and kernel build fine.
>
> Does anybody have any particular settings that can be used to reproduce this on a fresh 16-CURRENT or 15-STABLE box?

I can reproduce it on an aarch64 VM (using a mac studio), vanilla settings:

    make cleanuniverse <--- very important!
    make -j $(nproc) buildworld ... as usual

>
> -Dimitry
>


-- 
Jose Luis Duran
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