Re: Building powerpc (32-bit) packages on amd64

On Thu, Dec 26, 2019 at 12:44 PM Joe Nosay <[email protected]> wrote:

> Edit: Search for the problem and fix it.
> My apologies
>
> On Thu, Dec 26, 2019 at 12:40 PM Joe Nosay <[email protected]> wrote:
>
>> You will need to build on the G3/4/5 PowerPC32/64||POWER machine itself.
>> Since it is your computer, and you are probably not one of the
>> committers, I would suggest that you edit the Makefiles to the proper
>> architecture by adding what you need.
>> In the source itself, you need to edit the configuration file so that
>> FreeBSD is allowed. This is the way I was able to build a public package
>> repository for FreeBSD on the PowerPC32/64||POWER series.
>> You need to start editing the files from the source after you download
>> them.or the problem and fix it.
>> I had one of these:
>> https://everymac.com/systems/apple/powermac_g3/specs/powermac_g3_400_bl.html
>> and simultaneously built firefox, a window manager, and an editor on it
>> with it having less than one gigabyte of memory.
>>
>> The POWER RISC architecture is different, I'll explain it to you.
>> Since it has a base of LOAD_STORE in the registers, it will dedicate as
>> many if not all resources to the load intensive process.
>> The machine looked like it was dead.
>> It wasn't.
>> One day later it was up, and the ports were built.
>>
>> So there is no excuse.
>>
>> Go home and do your homework.
>>
>>
>>
>> On Tue, Nov 19, 2019 at 1:49 PM Gustavo Romero <
>> [email protected]> wrote:
>>
>>> Hi Daniel,
>>>
>>> Thanks for sharing your recipe and results.
>>>
>>> In fact I realized last week that indeed ppc32 binaries don't exist in
>>> the
>>> mirrors and I could not find any replacement for them.
>>>
>>> I've tried to kick a build of gcc9 on ppc32 G4 and hit a couple of
>>> issues which
>>> I was able to work around. I have not tried other packages yet. On of the
>>> issues looks related specific with that kind of build environment, i.e
>>> real
>>> G4 HW, so cross-compiling looks a nice alternative.
>>>
>>> So yeah, please keep us posted on your progress building the ppc32
>>> binaries on
>>> amd64 :)
>>>
>>> Cheers,
>>> Gustavo
>>>
>>> On 11/09/2019 03:25 AM, Daniel Benjamin Miller wrote:
>>> > While it's not normally supported, I have managed to build powerpc
>>> packages on amd64, for a 32-bit target. I recently obtained a PowerBook G4
>>> and was interested in running FreeBSD on it. So I installed the base
>>> system, but found that there were no binaries out there. Somebody had an
>>> unofficial server in ~2015 but it looks like there's nothing on the web
>>> now. Compiling ports on a G4 is torturous, so I decided to give it a whirl
>>> on my amd64 computer. The issue was that I couldn't run powerpc (32-bit)
>>> FreeBSD in QEMU, and it seemed that cross-compiling using poudriere was not
>>> supported with a powerpc target from an amd64 host. I've been able to
>>> generate some packages using the following method:
>>> >
>>> > 1. Run a FreeBSD-CURRENT (powerpc64) virtual machine under Linux,
>>> using the command sudo qemu-system-ppc64 -M pseries-2.12-sxxm -smp 2
>>> -mem-path /dev/hugepages -drive file=bsd.img -m 12G -boot c as my boot
>>> command. (Before this, you'll need to have a CD attached, of course, in
>>> order to install it.)
>>> >
>>> > 2. Compile pkg, then pkg install poudriere.
>>> >
>>> > 3. Add a simple poudriere.conf (I just went with the example).
>>> >
>>> > 4. Create poudriere's data folder.
>>> >
>>> > 5. poudriere ports -c
>>> >
>>> > 6. poudriere jail -c -j ppc32 -v 12.1-RELEASE -a powerpc
>>> >
>>> > 7. Create a file and then run poudriere bulk -f <myfile> -j ppc32
>>> >
>>> > And it all seems to work. Once my job is done, I will post my
>>> unofficial binaries in a publicly accessible repository. I don't know if
>>> the project maintainers would be potentially interested in using this
>>> method to compile powerpc (32-bit) binaries on modern hardware (being that
>>> the userbase for this architecture is, in all likelihood, fairly small).
>>> Nevertheless, these packages should make my PowerBook G4 somewhat more
>>> useful as a FreeBSD system.
>>> >
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>>

Apologies for the top posting. My mistake.
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