utopia-documents FTBFS in artful

utopia-documents FTBFS in artful. It looks to me like this may be because of Qt 5.9.

I did try building 3.1.0 but that failed too.

Please remove this package from artful
--------------------------------------
It is currently blocking the poppler transition
(entangled with the gdcm transition)

https://people.canonical.com/~ubuntu-archive/transitions/html/poppler.html

https://people.canonical.com/~ubuntu-archive/transitions/html/gdcm.html

$ reverse-depends src:utopia-documents
No reverse dependencies found
$ reverse-depends -b src:utopia-documents
No reverse dependencies found

Full build log
--------------
https://launchpad.net/ubuntu/+source/utopia-documents/3.0.2-1build1

Build log excerpt
-----------------
[ 16%] Generating qrc_utopia2_qt.cpp
cd /<<PKGBUILDDIR>>/utopia-build/libutopia2_qt/utopia2/qt && /usr/lib/x86_64-linux-gnu/qt5/bin/rcc --name utopia2_qt_css --output /<<PKGBUILDDIR>>/utopia-build/libutopia2_qt/utopia2/qt/qrc_utopia2_qt_css.cpp /<<PKGBUILDDIR>>/libutopia2_qt/utopia2/qt/utopia2_qt_css.qrc
cd /<<PKGBUILDDIR>>/utopia-build/libutopia2_qt/utopia2/qt && /usr/lib/x86_64-linux-gnu/qt5/bin/rcc --name utopia2_qt --output /<<PKGBUILDDIR>>/utopia-build/libutopia2_qt/utopia2/qt/qrc_utopia2_qt.cpp /<<PKGBUILDDIR>>/libutopia2_qt/utopia2/qt/utopia2_qt.qrc
make -f libutopia2/plugins/pdb/CMakeFiles/utopia2-pdb_autogen.dir/build.make libutopia2/plugins/pdb/CMakeFiles/utopia2-pdb_autogen.dir/depend
make[3]: Entering directory '/<<PKGBUILDDIR>>/utopia-build'
cd /<<PKGBUILDDIR>>/utopia-build && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/libutopia2/plugins/pdb /<<PKGBUILDDIR>>/utopia-build /<<PKGBUILDDIR>>/utopia-build/libutopia2/plugins/pdb /<<PKGBUILDDIR>>/utopia-build/libutopia2/plugins/pdb/CMakeFiles/utopia2-pdb_autogen.dir/DependInfo.cmake --color=
/<<PKGBUILDDIR>>/libutopia2_qt/utopia2/qt/bubble.h:56: Error: Namespace declaration lacks Q_NAMESPACE macro.
libutopia2_qt/utopia2/qt/CMakeFiles/utopia2_qt_autogen.dir/build.make:80: recipe for target 'libutopia2_qt/utopia2/qt/moc_bubble.cpp' failed