Date: Thu, 30 Jun 2011 15:01:40 -0600 From: Warner Losh <imp@bsdimp.com> To: Garrett Cooper <yanegomi@gmail.com> Cc: freebsd-current@freebsd.org, Hans Petter Selasky <hselasky@c2i.net> Subject: Re: Crossbuild failure on 8-stable Message-ID: <F416D901-5B2F-4AD8-8FC2-028CCD2ACFBF@bsdimp.com> In-Reply-To: <BANLkTimN51uSbBcVUExO--ZNthmAwfBYPA@mail.gmail.com> References: <201106301122.36155.hselasky@c2i.net> <4E0CA0D0.6050500@gmail.com> <BANLkTimN51uSbBcVUExO--ZNthmAwfBYPA@mail.gmail.com>
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Shouldn't that be 'make kernel-toolchain'?
Warner
On Jun 30, 2011, at 10:59 AM, Garrett Cooper wrote:
> On Thu, Jun 30, 2011 at 9:14 AM, Mark Tinguely <marktinguely@gmail.com> wrote:
>> On 6/30/2011 4:22 AM, Hans Petter Selasky wrote:
>>>
>>> Hi,
>>>
>>> Trying to cross build ARM fails in the following way on 8-stable:
>>>
>>> 8.2-STABLE FreeBSD 8.2-STABLE #1: Wed Jun 29 13:09:23 UTC 2011
>>>
>>> make toolchain TARGET=arm
>>>
>>> Is this perhaps also an issue in 9-current?
>>>
>>> Any clues?
>>>
>>> cc -O -pipe -ffreestanding -Wformat -I/usr/src/lib/libstand -msoft-float
>>> -
>>> D_STANDALONE -DBZ_NO_STDIO -DBZ_NO_COMPRESS -DHAVE_MEMCPY -
>>> I/usr/src/lib/libstand/../libz -std=gnu99 -c
>>> /usr/src/lib/libstand/../libc/net/ntoh.c
>>> {standard input}: Assembler messages:
>>> {standard input}:27: Error: bad instruction `bswap r0'
>>> {standard input}:53: Error: bad instruction `bswap r0'
>>>
>>
>> and you also said:
>>
>>> Tracing down the issue:
>>>
>>> /usr/include/machine/endian.h
>>>
>>> #define __byte_swap_int_var(x) \
>>> __extension__ ({ register __uint32_t __X = (x); \
>>> __asm ("bswap %0" : "+r" (__X)); \
>>> __X; })
>>>
>>> r0 looks like an ARM register passed to a non-arm assembler. I'm going to
>>> try:
>>>
>>
>> Looks like you have an ARM compiler/assembler because the assembler rejects
>> the i386/amd64 "bswap" assembly command.
>>
>> Does anyone remember if the cross compiler has the cross include paths
>> compiled into them or should there be a "-I" in the compile command to
>> correctly expand the "#include <machine/endian.h>" ? I thought the cross
>> path was compiled into the cross compiler.
>>
>> You manually test the "cc" command with the included "-I" option.
>
> Adding -v to the command line might yield more interesting results in
> tracking down the culprit header.
> -Garrett
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