cross compiling

[Russell Haley]

root at Jailbird:/usr/src# make TARGET=arm TARGET_ARCH=armv6 -j10 toolchain
...
===> lib/libcuse (install)
--- _libinstall ---
--- _INCSINS ---
--- _libinstall ---
sh /usr/src/tools/install.sh -C -o root -g wheel -m 444   libcuse.a
/usr/obj/arm.armv6/usr/src/tmp/usr/lib/
--- _INCSINS ---
sh /usr/src/tools/install.sh -C -o root -g wheel -m 444
/usr/src/lib/libcuse/cuse.h /usr/obj/arm.armv6/usr/src/tmp/usr/include/
--- _libinstall ---
sh /usr/src/tools/install.sh -s -o root -g wheel -m 444     libcuse.so.1
/usr/obj/arm.armv6/usr/src/tmp/usr/lib/
sh /usr/src/tools/install.sh -l s libcuse.so.1
/usr/obj/arm.armv6/usr/src/tmp/usr/lib/libcuse.so
root at Jailbird:/usr/src#
COPYRIGHT           LOCKS               Makefile.inc1
UPDATING            contrib/            gnu/
lib/                rescue/             share/
targets/            usr.bin/
D4037.diff          MAINTAINERS         ObsoleteFiles.inc
bin/                crypto/             include/
libexec/            sbin/               src.kdev4
tests/              usr.sbin/
FreeBSD-D4338.diff  Makefile            README
cddl/               etc/                kerberos5/
release/            secure/             sys/                tools/
root at Jailbird:/usr/src# make buildenv TARGET_ARCH=armv6
BUILDENV_SHELL=/bin/tcsh
Entering world for armv6:arm
You have mail.
root at Jailbird:/usr/src# which cc
/usr/bin/cc


Have I missed something?
Russ


On Fri, Dec 4, 2015 at 9:56 PM, Russell Haley <russ.haley at gmail.com> wrote:

> BUILD(7)	
> ...
>      *buildenv*	      Spawn an interactive shell with environment variables
> 		      set up for cross-building	the system.  The target	archi-
> 		      tecture needs to be specified with make(1) <https://www.freebsd.org/cgi/man.cgi?query=make&sektion=1&apropos=0&manpath=FreeBSD+10.2-RELEASE> variables
> 		      *TARGET**_**ARCH* and *TARGET*.
>
> OMG I've been looking for this for about a year now and it's been right there. I even submitted a patch on this page!
>
> Thanks guys!!! Please tell me this works?
>
> Russ
>
>
> On Fri, Dec 4, 2015 at 9:32 PM, Warner Losh <imp at bsdimp.com> wrote:
>
>> On Fri, Dec 4, 2015 at 10:39 AM, Daniel Braniss <danny at cs.huji.ac.il>
>> wrote:
>>
>> >
>> > On 4 Dec 2015, at 6:33 PM, Warner Losh <imp at bsdimp.com> wrote:
>> >
>> >
>> > On Dec 4, 2015, at 9:31 AM, Daniel Braniss <danny at 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=armv6
>> > $ make buildenv TARGET_ARCH=armv6 BUILDENV_SHELL=/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=softfp  -DMFRC_DEBUG=8 -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=softfp'
>> > *** 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=clang
>> > there is another error, which appeared before, and I solve it by setting
>> > MK_FORMAT_EXTENSIONS=no
>> > (which out it complains … malformed conditional (${MK_FORMAT_EXTENSIONS)
>> > == “no”)
>> >
>> >
>> If which cc returns /usr/bin/cc, then you  haven't built the toolchain.
>>
>> Warner
>> _______________________________________________
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>> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"
>>
>
>