Re: [PATCH v3 0/7] Isar cross-compilation support

[Alexander Smirnov <asmirnov@ilbers.de>]

On 07/20/2018 08:56 AM, Jan Kiszka wrote:
> Hi Alex,
> 
> On 2018-07-19 22:59, Alexander Smirnov wrote:
>> Hi Jan,
>>
>> [...]
>>
>>>> Just an observation, you use here buster but I didn't test it.
>>>
>>> Yes, but only for the pre-built u-boot package, and only for the Orange
>>> Pi. See conf/multiconfig/preferences.orangepi-zero.conf.
>>
>> I've found several issue with v3 regarding kernel and modules 
>> cross-compilation. I've fixed them and pushed asmirnov/devel branch.
>>
>> Now I'm able to cross-build orangepi kernel and example-module for it, 
>> huh! :-)
> 
> That's good news, and I can confirm that at least the linux-headers 
> packages looks good now. It's also clear now that there can be no 
> mixed-mode when building kernel modules because this package with its 
> host tools is generated for the build host, not the target arch.
> 
> However, I'm still stuck on the Python dependency problems. I bet you 
> can also reproduce them by declaring the hello package to build-depend 
> on "python". Same for "python-pip".
> 
>>
>> I've tried to make commits on the top small just to demonstrate my 
>> findings.
>>
>> Could you please try this branch with your use-case? Unfortunately I 
>> wasn't able to quickly run clean jailhoust build, I have fedora as 
>> host OS and use debian in chroot. I've tried to run build scripts but 
>> docker fails with tons of errors :-(
> 
> Can you share your error dump? That would be interesting as the whole 
> docker story is about removing the host-side dependency on a particular 
> distribution with a particular package set pre-installed, not to speak 
> of the sudo config hack.

builder@zbook:~/jailhouse-images$ sudo 
KAS_TARGET="multiconfig:orangepi-zero-jailhouse:demo-image" 
./build-images.sh
Unable to find image 'kasproject/kas-isar:latest' locally
latest: Pulling from kasproject/kas-isar
6de29172b78c: Pull complete
0e2ff9900052: Pull complete
89b3b64c6e1a: Pull complete
c4ede5890983: Pull complete
63b0417b6e80: Pull complete
2095a826ca1c: Pull complete
519ff2acda8f: Pull complete
3568c8b200f9: Pull complete
84fb75e6e501: Pull complete
a8e3362d930a: Pull complete
fa1925a99ab2: Pull complete
af55a23213f5: Pull complete
2f0f64c16666: Pull complete
875a76dca692: Pull complete
4e9bfef3b1d2: Pull complete
6e603ec88847: Pull complete
b41c12cafe1e: Pull complete
cf73b0705769: Pull complete
Digest: 
sha256:c44212948d6f9b60faf17f3e769cc7bc926873ff1628adafb5c1ff1960931177
Status: Downloaded newer image for kasproject/kas-isar:latest
FATA[0085] Error response from daemon: Cannot start container 
32bdec7e11264b90a4090ea2892cb9b359a8f95b8b42e1c81ac2010d63ebefa3: [8] 
System error: mountpoint for cpu not found


> 
> If you have a Debian 9 build host, you can also leave out the docker 
> wrapping, just installing kas via pip and then doing
> 
> mkdir -p out
> cd out
> kas build /path/to/jailhouse-images/kas.yml
> 

Will try, thanks for the hint!

Alex