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Groups > linux.debian.bugs.dist > #1003345

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
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 2020-04-07 11:00 +0200
Message-ID <zSSfo-5UL-3@gated-at.bofh.it> (permalink)
References (1 earlier) <zM9El-8uV-1@gated-at.bofh.it> <zM9El-8uV-5@gated-at.bofh.it> <zSCtY-4Ta-21@gated-at.bofh.it> <zM9El-8uV-3@gated-at.bofh.it> <zSCtY-4Ta-21@gated-at.bofh.it>
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On Mon, 6 Apr 2020, Thorsten Glaser wrote:

> On Thu, 19 Mar 2020, Thorsten Glaser wrote:
> 
> > Nevermind, I found the real culprit. SCMP_SYS() is defined to return int.
> 
> I’ll be uploading this to debian-ports’ unreleased repo to get the
> builds going again. Full debdiff and build log attached.


>-#define SCMP_SYS(x)           (__SNR_##x)
>+#define SCMP_SYS(x)           ((int)__SNR_##x)

Ouch, this hasn’t worked:

../src/shared/seccomp-util.c: In function ‘seccomp_restrict_sxid’:                                               
../src/shared/seccomp-util.c:1977:5: error: missing binary operator before token "("                             
 1977 | #if SCMP_SYS(open) > 0                                                                                   
      |     ^~~~~~~~                                                                                             

Is what systemd does here even defined/supported?
How to even do that then :/

bye,
//mirabilos
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Bug#954294: systemd: FTBFS on x32 due to format string errors, need explicit casts Thorsten Glaser <t.glaser@tarent.de> - 2020-03-19 21:10 +0100
  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> - 2020-03-19 21:10 +0100
    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> - 2020-04-06 18:10 +0200
      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> - 2020-04-07 11:00 +0200

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