Your message dated Thu, 24 May 2012 13:33:09 +0000
with message-id <[email protected]>
and subject line Bug#672690: fixed in libarchive 3.0.4-2
has caused the Debian Bug report #672690,
regarding libarchive: FTBFS on hurd-i386
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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--
672690: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=672690
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: libarchive
Version: 3.0.4-1
Severity: important
User: [email protected]
Usertags: ftbfs-gcc-4.7
Hello,
libarchive currently FTBFS on hurd-i386, see
https://buildd.debian.org/status/fetch.php?pkg=libarchive&arch=hurd-i386&ver=3.0.4-1%2Bb1&stamp=1336821322
This build was done with gcc-4.7, which is probably the "culprit", by
optimizing yet more. The issue is with the following piece of code:
min_time = archive_entry_mtime(ae);
assert(min_time <= 0);
/* Simply asserting min_time - 1 > 0 breaks with some compiler
optimizations. */
t = min_time - 1;
assert(t > 0);
This is supposed to check for overflowing when subtracting 1 from the
minimum time_t value. Problem is: that is undefined in C, and the
compiler is thus allowed to do anything, including always raising the
assertion, since we have already checked that the integer is negative,
so subtracting 1 to it is not supposed to make it positive (again,
overflow is undefined). Printing t, for instance, fixes the test, since
the compiler then actually computes t, but without it the assert always
gets triggered. I tried to reproduce it with i386, without success, but
anyway, the piece of code really has undefined behavior.
Samuel
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.0.4 (SMP w/8 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
--
Samuel Thibault <[email protected]>
<O> Ça peut être une madeleine à sous munitions (avec des composants,
par exemple)
-+- #runtime -+-
--- End Message ---
--- Begin Message ---
Source: libarchive
Source-Version: 3.0.4-2
We believe that the bug you reported is fixed in the latest version of
libarchive, which is due to be installed in the Debian FTP archive:
bsdcpio_3.0.4-2_amd64.deb
to main/liba/libarchive/bsdcpio_3.0.4-2_amd64.deb
bsdtar_3.0.4-2_amd64.deb
to main/liba/libarchive/bsdtar_3.0.4-2_amd64.deb
libarchive-dev_3.0.4-2_amd64.deb
to main/liba/libarchive/libarchive-dev_3.0.4-2_amd64.deb
libarchive12_3.0.4-2_amd64.deb
to main/liba/libarchive/libarchive12_3.0.4-2_amd64.deb
libarchive_3.0.4-2.debian.tar.gz
to main/liba/libarchive/libarchive_3.0.4-2.debian.tar.gz
libarchive_3.0.4-2.dsc
to main/liba/libarchive/libarchive_3.0.4-2.dsc
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.
Andreas Henriksson <[email protected]> (supplier of updated libarchive 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: SHA1
Format: 1.8
Date: Thu, 24 May 2012 14:49:41 +0200
Source: libarchive
Binary: libarchive-dev libarchive12 bsdtar bsdcpio
Architecture: source amd64
Version: 3.0.4-2
Distribution: unstable
Urgency: low
Maintainer: Debian Libarchive Maintainers <[email protected]>
Changed-By: Andreas Henriksson <[email protected]>
Description:
bsdcpio - Implementation of the 'cpio' program from FreeBSD
bsdtar - Implementation of the 'tar' program from FreeBSD
libarchive-dev - Multi-format archive and compression library (development
files)
libarchive12 - Multi-format archive and compression library (shared library)
Closes: 672690 674368
Changes:
libarchive (3.0.4-2) unstable; urgency=low
.
* Add debian/patches/gcc-4.7-fixes-from-upstream.patch
(Closes: #674368, #672690)
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libarchive-dev_3.0.4-2_amd64.deb
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Checksums-Sha256:
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libarchive-dev_3.0.4-2_amd64.deb
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bsdcpio_3.0.4-2_amd64.deb
Files:
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e265a6f1c003208ae9220d5cf36c6563 10185 libs optional
libarchive_3.0.4-2.debian.tar.gz
fccfb5b200ede93c2e0355fcde1d8c46 471984 libdevel optional
libarchive-dev_3.0.4-2_amd64.deb
2e6fee0023cd6c08334b91414acacfa7 303296 libs optional
libarchive12_3.0.4-2_amd64.deb
1915698d04fd9c1c76571c67cb371310 54428 utils optional bsdtar_3.0.4-2_amd64.deb
bbd1454ad83d45a17c65aaec3c23cb6a 40882 utils optional bsdcpio_3.0.4-2_amd64.deb
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