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Re: Need help with getting a package to build reproducibly on arm*

On 2021-01-07, Michael Biebl wrote:
> Am 07.01.21 um 18:24 schrieb Michael Biebl:
>> as can be seen at [1], systemd does not build reproducibly on armhf and
>> arm64 (while there is no problem on amd64 and i386).
>> The problem is, I have no idea what the diffoscope diff [2] means and
>> how I can make the package build reproducibly everywhere or how I can
>> further investigate this.
>> Any help here is greatly appreciated as I think reproducible-builds are
>> a great effort and I'd like to support that as much as I can.
>> Regards,
>> Michael
>> [1]
>> https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/systemd.html
>> [2]
>> https://tests.reproducible-builds.org/debian/rb-pkg/unstable/arm64/diffoscope-results/systemd.html

My best wild guesses would be parallelism, filesystem ordering or locale
differences causing various sort ordering differences.

I'm running a local build on arm64 with "reprotest --auto-build" to see
if it can help give us any better leads, will see if that shows anything
more useful... it could take some time on not particularly fast

live well,

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