Re: Compiling on RaspberryPI

[Matt Thomas <matt%3am-software.com@localhost>]

On Oct 29, 2013, at 11:08 AM, Dennis Ferguson 
<dennis.c.ferguson%gmail.com@localhost> wrote:

> 
> On 29 Oct, 2013, at 07:48 , ASV <asv%inhio.eu@localhost> wrote:
>> The gmp package failed with the following:
>> tmp-addcnd_n.s: Assembler messages:
>> tmp-addcnd_n.s:141: Error: selected processor does not support ARM mode
>> `bx r14'
>> *** Error code 1
>> Stop.
>> 
>> 
>> So, my question is .... am I trying something which I'm not supposed to
>> due to the 'packages' often not being compilable on such architecture?
>> Or I'm missing some step? Or just not all packages are ready?
> 
> The instruction it is complaining about is supported by the rpi's
> armv6 MPU but is not supported in the armv5 architecture, which is
> what NetBSD seems to default to if not told otherwise.  You likely
> can fix this (and improve other things a bit) if you can tell the
> pkgsrc system to compile for armv6 instead, but I have no idea how
> to do that.  In fact it seems like the native compiler on this
> machine should be assuming armv6 by default, so I'm also not sure
> why you aren't getting that without having to tell pkgsrc anything.

Actually, that's because arm (not earm) defaults to a pre-armv5t
processor which does not support bx <reg>.

earm doesn't have that problems since it defaults to armv5t which
does have instruction.