Bug#954294: libseccomp-dev: API break: SCMP_SYS() is unsigned long (was Re: Bug#954294: systemd: FTBFS on x32 due to format string errors, need explicit casts)

From	Thorsten Glaser <t.glaser@tarent.de>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#954294: libseccomp-dev: API break: SCMP_SYS() is unsigned long (was Re: Bug#954294: systemd: FTBFS on x32 due to format string errors, need explicit casts)
Date	2020-04-08 16:10 +0200
Message-ID	<zTjyW-62i-3@gated-at.bofh.it> (permalink)
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On Wed, 8 Apr 2020, Michael Biebl wrote:

>> Is this workaround permanent or will systemd FTBFS again in the future?

It is not inherently permanent. If a new libseccomp version gets
uploaded it will pop back up. In these cases, I’ll most likely
notice it due to Multi-Arch skew (my x32 system has libudev1:i386
and libudev1:x32 installed, so when the former shows up in apt’s
output of “not updated” packages I’ll know), and it’s a matter of
maybe half an hour to bring the hack back, and I’ve got permissions
to give-back the systemd package so the buildds will build it.

>> If seccomp support on x32 is causing so much trouble, we can just as
>> well disable it in systemd for the time being by dropping libseccomp-dev
>> from Build-Depends.

My hope is to get this fixed in the kernel headers instead; it
seems like a straight-forward fix, aligns x32 more with other
architectures and seems to be the technically more correct solution,
plus other packages might be similarily affected (but don’t show
it as they don’t build with -Werror=format).

>... on x32 only, of course.

Yes, of course.

>> Let me know what you prefer.

For now, don’t take any action in systemd, and we’ll hope some
kernel developer picks it up, but thanks for the offer.

bye,
//mirabilos
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Bug#954294: libseccomp-dev: API break: SCMP_SYS() is unsigned long (was Re: Bug#954294: systemd: FTBFS on x32 due to format string errors, need explicit casts) Thorsten Glaser <t.glaser@tarent.de> - 2020-04-08 16:10 +0200

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