Date: Sat, 11 Aug 2018 20:09:35 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-toolchain@FreeBSD.org" <freebsd-toolchain@freebsd.org>, Ed Maste <emaste@freebsd.org> Subject: Re: Broken arm support in clang now? Message-ID: <A5B46840-B508-4F40-9EFD-50D0439EBAC7@FreeBSD.org> In-Reply-To: <CANCZdfpF9ND_k2xvZrsDebsZ07p2RU0Lebp5GDtmxnjdXc=N-A@mail.gmail.com> References: <CANCZdfpmDN-nAkViuEx-tKpPhOdRYX=xNu6s8E2o6F4xC2WPnA@mail.gmail.com> <1880880F-9D9D-47E0-A7A4-5369A3770F89@FreeBSD.org> <CANCZdfpF9ND_k2xvZrsDebsZ07p2RU0Lebp5GDtmxnjdXc=N-A@mail.gmail.com>
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On 11 Aug 2018, at 19:31, Warner Losh <imp@bsdimp.com> wrote:
>=20
> On Sat, Aug 11, 2018, 10:20 AM Dimitry Andric <dim@freebsd.org> wrote:
> On 11 Aug 2018, at 16:55, Warner Losh <imp@bsdimp.com> wrote:
> >
> > It looks like armv5 clang bogusly uses lld:
> >
> > =46rom a 'make buildkernel' of the RT1310 kernel config:
> >
> > cc -target arm-gnueabi-freebsd12.0
...
> > ld: warning: lld uses extended branch encoding, no object with =
architecture
> > supporting feature detected.
> > ld: warning: lld may use movt/movw, no object with architecture =
supporting
> > feature detected.
...
> Host is amd64. Target is arm. No src.conf. Did a full buildworld =
TARGET=3Darm a few days ago. /usr/bin/ld is lld.
Okay, so in the above "cc" command, can you somehow figure out which cc
executable it is using? And please add a -v to the "linking kernel.full"
command line, so it shows exactly which linker it runs?
I have the idea that it is preferring your /usr/bin/ld over
${WORLDTMP}/usr/bin/ld...
-Dimitry
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