Hi all, On Thu, Aug 08, 2019 at 02:10:39PM -0300, Lisandro Damián Nicanor Pérez Meyer wrote: > > I had to use dpkg --force-overwrite to work around it, which showed the > > additional messages: > > > > Preparing to unpack .../qtbase5-dev_5.11.3+dfsg1-2+b1_i386.deb ... > > Unpacking qtbase5-dev:i386 (5.11.3+dfsg1-2+b1) over (5.11.3+dfsg1-2) ... > > dpkg: warning: overriding problem because --force enabled: > > dpkg: warning: trying to overwrite shared > > '/usr/share/qt5/doc/global/template/images/Qt-logo.png', which is different > > from other instances of package qtbase5-dev:i386 > > dpkg: warning: overriding problem because --force enabled: > > dpkg: warning: trying to overwrite shared > > '/usr/share/qt5/doc/global/template/images/ico_out.png', which is different > > from other instances of package qtbase5-dev:i386 > > dpkg: warning: overriding problem because --force enabled: > > dpkg: warning: trying to overwrite shared > > '/usr/share/qt5/doc/global/template/style/list_arrow.png', which is > > different from other instances of package qtbase5-dev:i386 > > dpkg: warning: overriding problem because --force enabled: > > dpkg: warning: trying to overwrite shared > > '/usr/share/qt5/doc/global/template/style/list_expand.png', which is > > different from other instances of package qtbase5-dev:i386 > > > > Usually, for a multiarch issue, the +b1 in the version number would make me > > suspicious, but maybe not here, the image seems to contain a creation time. > > So we have two issues here: > > - On one side those images should not have a creation date due to > reproducibility. Actually this has never happened before and buildds might > have built everything in deifferent dates. > - On the other I wonder why I left those files there. This comes from 2015, > so I'll have to dig into it further.
The issue is caused by dh_strip_nondeterminism changing PNG metadata timestamps to dates from binNMUs, which are different on amd64 and i386. I have just filed a bug against debhelper and described this issue in more detail, see https://bugs.debian.org/934405. As a workaround, we should tell dh_strip_nondeterminism to ignore these files using its -X option. I will be able to do that in a couple of days. -- Dmitry Shachnev
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