Re: Porting NetBSD to Eco32

On 24.06.2014 19:05, Valery Ushakov wrote:
> [Redirecting to tech-toolchain]
>
> On Tue, Jun 24, 2014 at 16:33:01 +0200, Jens Mehler wrote:
>
>> Hi everyone !
>>
>> Currently a small team is porting NetBSD to a new processor called
>> eco32. It's an educational 32bit RISC processor for which I had already
>> ported GCC and Binutils.
>>
>> Currently we are working with NetBSD 6.0.1:
>> It was the lastest stable release as we started this project about one
>> year ago - give and take half a year :)
>> I know about the securety issues with this version and we are planning
>> on updating as soon as we got it working (somehow beeing able to boot
>> that stuff into single user mode).
>> Anyway.
>>
>> While being able to cross-build the kernel and loading binaries
>> (self-written) instead of the default init, I started to work on the
>> userland part.
>> I took a pretty much stupid approach:
>> ./build.sh -M ../obj/ -T ../tools/ -D ../dest/ -R ../release/ -u -U -m
>> eco32 distribution
>>
>> After fixing up the missing file errors like missing libc it spits:
>>
>> obj ===> lib/../external/gpl3/gcc/lib/crtstuff
>> nbmake:
>> "/hdd/home/okarin/eco32/netbsd-on-eco32/usr/src/external/gpl3/gcc/lib/crtstuff/Makefile"
>> line 33: Cannot open
>> /hdd/home/okarin/eco32/netbsd-on-eco32/usr/src/external/gpl3/gcc/lib/crtstuff/arch/eco32.mk
>>
>> So I read around the mailing lists an came cross the src/tools directory.
>> In the gcc directoy I found a README :) - happy as I was I started that
>> procedure:
>>
>> It resulted in utter failure: step 2 fails :(
>> I think I am missing a step between before the native GCC part.
>>
>> Any pointers would be nice :)
> You should probably switch to USE_COMPILERCRTSTUFF to "no" in
> share/mk/bsd.own.mk and provide necessary bits in lib/csu
>
> IIRC, current no longer use gcc crt stuff at all on all platforms, so
> you gonna need that anyway :)
>
> -uwe
Ah with that I can skip the native-gcc part :)
Awesome! Many thanks :)

Do I still need to export the following ?

export MKGCC=no
export MKBINUTILS=no
export MKGDB=no
export USE_COMPILERCRTSTUFF=no # just a precaution bsd.own.mk covers
this too
export MKCRYPTO=no
export MKLINT=no
export MKPROFILE=no
export MKSHARE=no

~Jens