FTBFS due to multi-arching of qt4-x11

[Scott Kitterman]

FTBFS during the recent package rebuild:

https://launchpadlibrarian.net/77515571/buildlog_ubuntu-oneiric-i386.python-qt4_4.8.5-0ubuntu1_FAILEDTOBUILD.txt.gz

It built just a week ago:

https://launchpadlibrarian.net/77040417/buildlog_ubuntu-oneiric-i386.python-qt4_4.8.5-0ubuntu1_BUILDING.txt.gz

The relevant difference is where the designer plugin got installed. Pre-multi-arch:

Checking to see if the QtDesigner module should be built...
g++ -DQT_NO_DEBUG -I. -I/usr/mkspecs/linux-g++ -I/usr/include/qt4/QtDesigner -I/usr/include/qt4 -pipe -g -O2 -Os -w -D_REENTRANT cfgtest_QtDesigner.cpp -o cfgtest_QtDesigner -L/usr/lib -Wl,-Bsymbolic-functions -Wl,-O1 -lQtDesigner
Checking to see if the dbus support module should be built...
Qt v4.7.3 free edition is being used.
SIP 4.12.3 is being used.
The Qt header files are in /usr/include/qt4.
The shared Qt libraries are in /usr/lib.
The Qt binaries are in /usr/bin.
The Qt mkspecs directory is in /usr/share/qt4.
These PyQt modules will be built: QtCore, QtGui, QtHelp, QtNetwork,
QtDeclarative, QtOpenGL, QtScript, QtScriptTools, QtSql, QtSvg, QtTest,
QtWebKit, QtXml, QtXmlPatterns, phonon, QtAssistant, QtDesigner.
The PyQt Python package will be installed in /usr/lib/python2.7/dist-packages.
PyQt is being built with generated docstrings.
PyQt is being built with 'protected' redefined as 'public'.
The Designer plugin will be installed in /usr/lib/qt4/plugins/designer.

Post multi-arch:

Checking to see if the QtDesigner module should be built...
g++ -DQT_NO_DEBUG -I. -I/usr/mkspecs/linux-g++ -I/usr/include/qt4/QtDesigner -I/usr/include/qt4 -pipe -g -O2 -Os -w -D_REENTRANT cfgtest_QtDesigner.cpp -o cfgtest_QtDesigner -L/usr/lib -Wl,-Bsymbolic-functions -Wl,-O1
/tmp/ccil7ycr.o: In function `main':
/build/buildd/python-qt4-4.8.5/build-2.7/cfgtest_QtDesigner.cpp:5: undefined reference to `QExtensionFactory::QExtensionFactory(QExtensionManager*)'
collect2: ld returned 1 exit status
Checking to see if the dbus support module should be built...
Qt v4.7.3 free edition is being used.
SIP 4.12.4 is being used.
The Qt header files are in /usr/include/qt4.
The shared Qt libraries are in /usr/lib/i386-linux-gnu.
The Qt binaries are in /usr/bin.
The Qt mkspecs directory is in /usr/share/qt4.
These PyQt modules will be built: QtCore.
The PyQt Python package will be installed in /usr/lib/python2.7/dist-packages.
PyQt is being built with generated docstrings.
PyQt is being built with 'protected' redefined as 'public'.
The Designer plugin will be installed in
/usr/lib/i386-linux-gnu/qt4/plugins/designer.

So when debian.rules gets to:

sed -i -e '/strip/ d' /build/buildd/python-qt4-4.8.5/build-2.7/designer/Makefile

It's not a happy result.

[Steve Langasek (vorlon)]

This is in fact a regression in the new version of sip4 that was uploaded. It looks to be caused by a Debian-specific patch that removes all linker options; presumably the underlying code has changed since that patch was written, since it's not a new patch.

[Scott Kitterman (kitterman)]

There is (in addition to the related sip4 issue) also a multiarch issue that I'll upload a fix for shortly.

[Launchpad Janitor (janitor)]

This bug was fixed in the package python-qt4 - 4.8.5-0ubuntu2

---------------
python-qt4 (4.8.5-0ubuntu2) oneiric; urgency=low

  * Update install path in debian/python-qt4.install for multiarch
    (LP: #829165)
 -- Scott Kitterman <email address hidden> Fri, 19 Aug 2011 13:54:51 -0400