Just built -current and made iso.  Got the same thing:

bash-3.2# file macppc/installation/ofwboot.xcf
macppc/installation/ofwboot.xcf: executable (RISC System/6000 V3.1) or obj 
module

~BAS

On Sun, 13 May 2007, Brian A. Seklecki wrote:

>
> Confirmed the same with:
>
> ftp://ftp.netbsd.org/pub/NetBSD-daily/HEAD/200705120002Z/iso/macppccd.iso
>
> Weather I specify the netbsd.macppc or not, so it may be the ISO or it may be 
> ofwboot.xcf
>
> ~~BAS
> A
>
> On Sun, 13 May 2007, Joel CARNAT wrote:
>
>> Hi,
>> 
>> I grabbed and burned
>> ftp://ftp2.fr.netbsd.org/pub/NetBSD-daily/netbsd-4/200705120002Z/iso/macppccd.iso
>> but it doesn't boot on my mini.
>> 
>> The 3.1 iso does work though.
>> I issued:
>> 0 > boot cd:,\ofwboot.xcf netbsd.macppc
>> as written in the INSTALL.html that sits on the CD.
>> 
>> The PROM then says:
>>    load-size=64b adler32=64b0001
>> unrecognized Client Program format
>> 
>> Any ideas ?
>> TIA,
>>  Jo
>> 
>> 
>> 
>
> l8*
> 	-lava (Brian A. Seklecki - Pittsburgh, PA, USA)
> 	       http://www.spiritual-machines.org/
>
>    "Guilty? Yeah. But he knows it. I mean, you're guilty.
>    You just don't know it. So who's really in jail?"
>    ~James Maynard Keenan
>
>

l8*
 	-lava (Brian A. Seklecki - Pittsburgh, PA, USA)
 	       http://www.spiritual-machines.org/

     "Guilty? Yeah. But he knows it. I mean, you're guilty.
     You just don't know it. So who's really in jail?"
     ~James Maynard Keenan