On Thu, Nov 17, 2011 at 09:02:55AM +0000, Colin Watson wrote:
> On Wed, Nov 16, 2011 at 10:33:45AM +0100, Raphaël Hertzog wrote:
> > Traitement des actions différées (« triggers ») pour « doc-base »...
> > /usr/bin/perl: symbol lookup error:
> > /usr/lib/perl5/auto/Locale/gettext/gettext.so: undefined symbol:
> > Perl_Gthr_key_ptr
> > dpkg : erreur de traitement de doc-base (--triggers-only) :
> > le sous-processus script post-installation installé a retourné une erreur
> > de sortie d'état 127
>
> A similar problem bites doc-base's use of libuuid-perl. See:
>
> https://bugs.launchpad.net/ubuntu/+source/doc-base/+bug/891257
Indeed, I have established that PERL_DL_NONLAZY=1 is not a sufficient
fix for this problem in the case of libuuid-perl, because it doesn't
have any fallback code for that module being non-importable. It was
quite difficult to set up a suitable reproduction environment, but what
I did was as follows:
1) Install an Ubuntu oneiric chroot with the addition of the doc-base,
rarian-compat, and libsignatures-perl packages. (Remember to divert
/sbin/initctl and replace it with a symlink to /bin/true.)
2) 'dpkg-divert --rename /usr/bin/dpkg', and replace /usr/bin/dpkg with
the following script:
#! /bin/sh
set -e
if grep -q 'perl-base.*5\.14' /var/log/dpkg.log; then
sleep 3600 || true
fi
exec dpkg.distrib "$@"
3) Replace 'oneiric' with 'precise' in /etc/apt/sources.list and run
'apt-get update && apt-get dist-upgrade'.
4) The upgrade should pause immediately after perl-base is configured.
When this happens, start a different shell in the same chroot (don't
suspend the one running apt-get) and run 'PERL_DL_NONLAZY=1
install-docs --install-changed'.
# install-docs --install-changed
/usr/bin/perl: symbol lookup error:
/usr/lib/perl5/auto/Locale/gettext/gettext.so: undefined symbol:
Perl_Gthr_key_ptr
# PERL_DL_NONLAZY=1 install-docs --install-changed
Can't load '/usr/lib/perl5/auto/UUID/UUID.so' for module UUID:
/usr/lib/perl5/auto/UUID/UUID.so: undefined symbol: Perl_Imarkstack_ptr_ptr at
/usr/lib/perl/5.14/DynaLoader.pm line 184.
at /usr/share/perl5/Debian/DocBase/Programs/Scrollkeeper.pm line 21
Compilation failed in require at
/usr/share/perl5/Debian/DocBase/Programs/Scrollkeeper.pm line 21.
BEGIN failed--compilation aborted at
/usr/share/perl5/Debian/DocBase/Programs/Scrollkeeper.pm line 21.
Compilation failed in require at
/usr/share/perl5/Debian/DocBase/InstallDocs.pm line 25.
BEGIN failed--compilation aborted at
/usr/share/perl5/Debian/DocBase/InstallDocs.pm line 25.
Compilation failed in require at /usr/sbin/install-docs line 28.
I suggest the following patch. I think perl-base would then have to
bump its versioned Breaks on doc-base to force this new version to be
installed?
The extra dependency on uuid-runtime is unfortunate, but necessary with
this approach (and calling out to uuidgen probably is slower with lots
of documents, so it's worthwhile trying to work in-process if possible).
Better ideas appreciated; something that only used core Perl would be
cleaner.
* Call uuidgen if UUID.pm cannot be imported, such as during a major
version upgrade of Perl.
diff -Nru doc-base-0.10.2/debian/control doc-base-0.10.2ubuntu1/debian/control
--- doc-base-0.10.2/debian/control 2011-07-01 21:45:51.000000000 +0100
+++ doc-base-0.10.2ubuntu1/debian/control 2011-11-17 14:20:49.000000000
+0000
@@ -12,7 +12,7 @@
Vcs-Browser: http://anonscm.debian.org/git/users/robert/doc-base.git
Package: doc-base
-Depends: libuuid-perl, libyaml-tiny-perl, ${misc:Depends}, ${perl:Depends}
+Depends: libuuid-perl, uuid-runtime, libyaml-tiny-perl, ${misc:Depends},
${perl:Depends}
Suggests: dhelp | dwww | doc-central | yelp | khelpcenter4, rarian-compat
Architecture: all
Description: utilities to manage online documentation
diff -Nru doc-base-0.10.2/perl/Debian/DocBase/Programs/Scrollkeeper.pm
doc-base-0.10.2ubuntu1/perl/Debian/DocBase/Programs/Scrollkeeper.pm
--- doc-base-0.10.2/perl/Debian/DocBase/Programs/Scrollkeeper.pm
2011-07-01 21:45:51.000000000 +0100
+++ doc-base-0.10.2ubuntu1/perl/Debian/DocBase/Programs/Scrollkeeper.pm
2011-11-17 14:15:51.000000000 +0000
@@ -18,7 +18,28 @@
use Debian::DocBase::Utils;
use Debian::DocBase::Gettext;
use Debian::DocBase::DB;
-use UUID;
+
+BEGIN {
+ eval 'use UUID';
+ if ($@) {
+ eval q{
+ sub _GetUUID() {
+ chomp (my $retval = `uuidgen`);
+ return $retval;
+ }
+ };
+ }
+ else {
+ eval q{
+ sub _GetUUID() {
+ my ($uuid, $retval);
+ UUID::generate($uuid);
+ UUID::unparse($uuid, $retval);
+ return $retval;
+ }
+ };
+ }
+}
@@ -50,13 +71,6 @@
our %mapping = (undef=>undef);
-sub _GetUUID() { # {{{
- my ($uuid, $retval);
- UUID::generate($uuid);
- UUID::unparse($uuid, $retval);
- return $retval;
-} # }}}
-
sub RegisterScrollkeeper($@) { # {{{
my $showinfo = shift;
--
Colin Watson [cjwat...@ubuntu.com]
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