I don't know about the C1, just because I only own a Odroid XU4. Not sure if 
there will be a FreeBSD port
of it, at all. What I have are 1 Raspi 1, 2 raspi 2 and one ODROID XU4. 

Actually Freebsd runs only on one Raspi2, and I confirm putting the GOARM to 5 
was allowing the bootstrap 
to compile. Nevertheless, when  I compiled the 1.8.1 , it stopped because of 
one subsystem 5l hanged and got killed after a while.

I will try to cross compile it using a linux machine , maybe I'll be lucky. 


> Gesendet: Donnerstag, 18. Mai 2017 um 13:24 Uhr
> Von: "Dave Cheney" <d...@cheney.net>
> An: "Low Eel" <low...@gmx.de>
> Cc: golang-nuts <golang-nuts@googlegroups.com>, "alex martin" 
> <a.martin6...@gmail.com>
> Betreff: Re: [go-nuts] Freebsd - Raspberry and Go from Source
>
> It looks like FreeBSD on the Odroid does not support floating point. I
> believe at some point floating point support was added to the broadcom
> chip in the raspberry pi 2, but I haven't tried to use freebsd on any
> arm platform since the previous reply to this thread in 2015.
> 
> On Thu, May 18, 2017 at 8:35 PM, Low Eel <low...@gmx.de> wrote:
> > Actualy the secret is this GOARM=5 . Seems it impacts also on the error
> > about struct_passwd, somehow.
> >
> > I had GOARM set to 6 because I took the settings from a linux machine
> > (running on ODROID XU4) and it was failing like that.
> >
> > About compilation times of 3 hours, they depend mostly by disk performance,
> > where "disk" is the SD card. When I did it on the external SSD disk I
> > connected with the Raspi on USB,
> > the time was about 20 minutes.
> >
> > Hope this helps too.
> >
> >
> >
> > On Wednesday, June 24, 2015 at 3:02:07 AM UTC+2, Dave Cheney wrote:
> >>
> >> sigh. to correct myself again, the proper invocation is
> >>
> >>     env CGO_ENABLED=0 GOARM=5 ./all.bash
> >>
> >> CGO_ENABLED=0 disables cgo entirely
> >> GOARM=5 disables the use of the floating point unit on the raspberry
> >> pi, as it will lock up the kernel if probed.
> >>
> >> On Wed, Jun 24, 2015 at 11:00 AM, Dave Cheney <da...@cheney.net> wrote:
> >> > I'm sorry this should have been
> >> >
> >> >      env CGO_ENABLED=1 GOARM=5 ./all.bash
> >> >
> >> > On Wed, Jun 24, 2015 at 10:59 AM, Dave Cheney <da...@cheney.net> wrote:
> >> >> Thanks for trying Go on freebsd. I tried for a long time to get a
> >> >> working
> >> >> freebsd builder on an original model B raspberry pi but gave up every
> >> >> time
> >> >> due to the bad performance and kernel bugs.
> >> >>
> >> >> I'd suggest building with cgo disabled.
> >> >>
> >> >> env CGO_ENABLED GOARM=5 ./all.bash
> >> >>
> >> >> This will take about three hours to complete.
> >> >>
> >> >> I have had some success running freebsd/arm on a pandaboard, which has
> >> >> working floating point and mulitprocessor support.
> >> >>
> >> >> I've also tried using a Beaglebone Black, but kernel bugs mean the BBB
> >> >> always runs in low power mode (~550mhz) which ended up making it slower
> >> >> than
> >> >> the raspberry pi.
> >> >>
> >> >> On Wednesday, 24 June 2015 09:43:52 UTC+10, Andrew Gerrand wrote:
> >> >>>
> >> >>> Hi,
> >> >>>
> >> >>> The FreeBSD/arm support for Go is "experimental". I say this because
> >> >>> we're
> >> >>> not currently running a continuous builder for that platform, so I
> >> >>> would not
> >> >>> be surprised if Go is broken there.
> >> >>>
> >> >>> I've cc'd Dave Cheney on this thread, as he is the last person I know
> >> >>> that
> >> >>> ran Go on freebsd/arm.
> >> >>>
> >> >>> Would you mind filing a bug with the full details of what you're
> >> >>> doing?
> >> >>>
> >> >>> Thanks,
> >> >>> Andrew
> >> >>>
> >> >>> On 24 June 2015 at 06:14, alex martin <a.mart...@gmail.com> wrote:
> >> >>>>
> >> >>>> Hi i'm trying to install Go in a raspberry board with Freebsd 11 and
> >> >>>> I've
> >> >>>> this error
> >> >>>>
> >> >>>> os/user/lookup_unix.go:49:10: type C.struct_passwd: undefined C type
> >> >>>> 'struct passwd'
> >> >>>> os/user/lookup_unix.go:50:14: type C.struct_passwd: undefined C type
> >> >>>> 'struct passwd'
> >> >>>> os/user/lookup_unix.go:52:14: type C.long: undefined C type 'long'
> >> >>>> os/user/lookup_unix.go:59:13: call of non-function C.sysconf
> >> >>>> os/user/lookup_unix.go:64:9: call of non-function C.malloc
> >> >>>> panic: runtime error: invalid memory address or nil pointer
> >> >>>> dereference
> >> >>>> [signal 0xb code=0x0 addr=0x0 pc=0x1d9ec]
> >> >>>>
> >> >>>> some suggest ?
> >> >>>>
> >> >>>> Thanks Alex
> >> >>>>
> >> >>>> --
> >> >>>> You received this message because you are subscribed to the Google
> >> >>>> Groups
> >> >>>> "golang-nuts" group.
> >> >>>> To unsubscribe from this group and stop receiving emails from it,
> >> >>>> send an
> >> >>>> email to golang-nuts...@googlegroups.com.
> >> >>>> For more options, visit https://groups.google.com/d/optout.
> >> >>>
> >> >>>
> >> >>
> 

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