Date: Fri, 4 Dec 2015 22:32:17 -0700 From: Warner Losh <imp@bsdimp.com> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: freebsd-arm <freeBSD-arm@freebsd.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: cross compiling Message-ID: <CANCZdfpAb3HZpM3viptuBWPsxdbR-0rKuHyxshPFW=pXDyrOLw@mail.gmail.com> In-Reply-To: <CB96AC95-DC5E-40AF-8CC6-29DF92CC8E1E@cs.huji.ac.il> References: <4E33BE7E-5443-438A-A45C-04B4B90528F9@cs.huji.ac.il> <C24D4F43-09B0-4E76-9239-71BDC6AAEE7F@bsdimp.com> <CB96AC95-DC5E-40AF-8CC6-29DF92CC8E1E@cs.huji.ac.il>
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On Fri, Dec 4, 2015 at 10:39 AM, Daniel Braniss <danny@cs.huji.ac.il> wrote=
:
>
> On 4 Dec 2015, at 6:33 PM, Warner Losh <imp@bsdimp.com> wrote:
>
>
> On Dec 4, 2015, at 9:31 AM, Daniel Braniss <danny@cs.huji.ac.il> wrote:
>
> Hi,
> I can cross compile for armv6 (raspberry Pi B), and I do get a working
> version, and till about July, I was
> able to cross compile a module doing something like this:
> $ cd $SRC
> $ make kernel-toolchain TARGET_ARCH=3Darmv6
> $ make buildenv TARGET_ARCH=3Darmv6 BUILDENV_SHELL=3D/usr/local/bin/shell
> $ cd <moduledir>
> $ make
>
> but today, after a fresh svn update of current, I get:
>
> Warning: Object directory not changed from original
> /a/fr-05/vol/home/system/danny/src/FreeBSD/ARM/elc/sys/modules/mfrc
> cc -O -pipe -mfloat-abi=3Dsoftfp -DMFRC_DEBUG=3D8 -Werror -D_KERNEL
> -DKLD_MODULE -nostdinc
> -I/a/fr-05/vol/home/system/danny/src/FreeBSD/ARM/elc/sys/modules/mfrc/..=
/..
> -I. -I@ -I@/contrib/altq -fno-common -ffreestanding -c
> /a/fr-05/vol/home/system/danny/src/FreeBSD/ARM/elc/sys/modules/mfrc/../..=
/dev/mfrc/mfrc.c
> -o mfrc.o
> cc: error: argument unused during compilation: '-mfloat-abi=3Dsoftfp'
> *** Error code 1
>
> so, what magic am I missing?
>
>
> What does which cc say?
>
> the host I use to cross compile is running 10.1,
>
> /usr/bin/cc
>
> but I also tried CC=3Dclang
> there is another error, which appeared before, and I solve it by setting
> MK_FORMAT_EXTENSIONS=3Dno
> (which out it complains =E2=80=A6 malformed conditional (${MK_FORMAT_EXTE=
NSIONS)
> =3D=3D =E2=80=9Cno=E2=80=9D)
>
>
If which cc returns /usr/bin/cc, then you haven't built the toolchain.
Warner
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