cross compiling

[Daniel Braniss]

> 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”)

> Warner