Your message dated Tue, 06 Jan 2026 14:45:41 +0000
with message-id <[email protected]>
and subject line Bug#989399: fixed in nauty 2.9.3-1
has caused the Debian Bug report #989399,
regarding nauty: i386 baseline violation by using popcnt
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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--
989399: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989399
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: nauty
Version: 2.7r1+ds-2
Severity: normal
Tags: patch
User: [email protected]
Usertags: ftcbfs
X-Debbugs-Cc: [email protected], [email protected]
Dear Maintainer,
Nauty fails to cross build due to two reasons:
1. It uses AC_RUN_IFELSE testing which cannot heppen during cross build
Simply replacing it by AC_LINK_IFELSE does the trick. Please find the
patch for this below, and consider applying
2. It uses help2man during build, and the same has also been
autotoolised - this isn't allowed during build. It looks like there's
particularly
no good way to fix it, and probably compiling twice once for build
arch, and once for host is un-needed extra work.
I'd suggest removing the help2man invocations from autotools, not
generate this during build, but simply maintain maintainer manpage,
using for example createmanpages script[1]
Talking to upstream and asking them to vendor their own manpages from
next release can also be a nice option.
If it is too much hassle for you, I'm willing to do so myself and
even maintain the package
[1]:
https://salsa.debian.org/med-team/community/helper-scripts/-/blob/master/createmanpages
--- a/configure.ac
+++ b/configure.ac
@@ -295,7 +295,7 @@
dnl --check if popcnt instruction is available and desired
AC_MSG_CHECKING(if popcnt instruction is available and requested)
-AC_RUN_IFELSE([AC_LANG_PROGRAM([],[[if (__builtin_cpu_supports("popcnt"))
return 0; else return 1;]])],
+AC_LINK_IFELSE([AC_LANG_PROGRAM([],[[if (__builtin_cpu_supports("popcnt"))
return 0; else return 1;]])],
popsup=1,popsup=0)
AS_IF([test "$allow_popcnt" -eq 1],
-- System Information:
Debian Release: bullseye/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 5.7.0-2-amd64 (SMP w/8 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages nauty depends on:
ii libc6 2.31-3
ii libgmp10 2:6.2.0+dfsg-6
pn libnauty2 <none>
ii zlib1g 1:1.2.11.dfsg-2
nauty recommends no packages.
Versions of packages nauty suggests:
ii graphviz 2.42.2-4
pn nauty-doc <none>
--- End Message ---
--- Begin Message ---
Source: nauty
Source-Version: 2.9.3-1
Done: Doug Torrance <[email protected]>
We believe that the bug you reported is fixed in the latest version of
nauty, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Doug Torrance <[email protected]> (supplier of updated nauty package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Tue, 06 Jan 2026 09:14:40 -0500
Source: nauty
Built-For-Profiles: noudeb
Architecture: source
Version: 2.9.3-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Math Team <[email protected]>
Changed-By: Doug Torrance <[email protected]>
Closes: 989399
Changes:
nauty (2.9.3-1) unstable; urgency=medium
.
* Upload to unstable for libnauty-2.9.1 -> libnauty-2.9.3 transition.
* Clean up packaging files with wrap-and-sort.
* debian/control
- Set Multi-Arch to "no" for libnauty-dev since we have conflicting
versions of nauty.h on different architectures.
* debian/copyright
- Update my copyright years.
* debian/libnauty-2.9.3.symbols
- Add nauty_have_popcnt; added by popcnt.patch.
* debian/libnauty-dev.install
- Don't move header files to "nauty" subdirectory since they're now
already installed there.
* debian/patches/pkgincludedir.patch
- Remove patch; no longer necessary.
* debian/patches/popcnt.patch
- Add Bug-Debian field.
- Add Forwarded field ("not-needed" since Debian-specific).
* debian/patches/unbundle-cliquer.patch
- Add Forwarded field (recently reported on nauty mailing list).
* debian/patches/uninitialized.patch
- Remove patch; it didn't actually fix any compiler warnings.
* debian/patches/upstream-fix-gt_numorbits.patch
- Remove patch; not clear why it was necessary.
* debian/patches/upstream-zlib-dimacs2g.patch
- Add Forwarded field (recently reported on nauty mailing list).
* debian/rules
- Pass /usr/include/nauty as "includedir" to the configure script to
simplify the installation of the header files.
- Pass "--enable-runtime-popcnt" to the configure script; this is the
feature added in popcnt.patch that detects whether the CPU has
built-in population count support at runtime. This way, we no longer
enable this at compile time, which was resulting in a baseline
violation on i386 (Closes: #989399).
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