Bug#811156: FTBFS: undefined reference to `vtable for CategoryTypeComboBox'

[Martin Michlmayr <tbm@hpe.com>]

Package: kdebugsettings
Version: 15.08.3-1
Severity: serious

kdebugsettings fails to build in unstable:

> sbuild (Debian sbuild) 0.67.0 (26 Dec 2015) on dl580gen9-02.hlinux
...
> [ 51%] Building CXX object src/CMakeFiles/kdebugsettings.dir/kdebugsettings_automoc.cpp.o
> CMakeFiles/categorytypecomboboxtest.dir/__/src/categorytypecombobox.cpp.o: In function `CategoryTypeComboBox::CategoryTypeComboBox(QWidget*)':
> /<<PKGBUILDDIR>>/src/categorytypecombobox.cpp:25: undefined reference to `vtable for CategoryTypeComboBox'
> CMakeFiles/categorytypecomboboxtest.dir/__/src/categorytypecombobox.cpp.o: In function `CategoryTypeComboBox::~CategoryTypeComboBox()':
> /<<PKGBUILDDIR>>/src/categorytypecombobox.cpp:33: undefined reference to `vtable for CategoryTypeComboBox'
> collect2: error: ld returned 1 exit status

...
> FY_SOURCE=2  -std=c++0x -fno-exceptions -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wnon-virtual-dtor -Woverloaded-virtual -Werror=return-type   -DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_TO_ASCII -fPIC -o CMakeFiles/configurecustomsettingwidgettest.dir/configurecustomsettingwidgettest_automoc.cpp.o -c /<<PKGBUILDDIR>>/obj-x86_64-linux-gnu/autotests/configurecustomsettingwidgettest_automoc.cpp
> CMakeFiles/configurecustomsettingdialogtest.dir/__/src/categorytypecombobox.cpp.o: In function `CategoryTypeComboBox::CategoryTypeComboBox(QWidget*)':
> /<<PKGBUILDDIR>>/src/categorytypecombobox.cpp:25: undefined reference to `vtable for CategoryTypeComboBox'
> CMakeFiles/configurecustomsettingdialogtest.dir/__/src/categorytypecombobox.cpp.o: In function `CategoryTypeComboBox::~CategoryTypeComboBox()':
> /<<PKGBUILDDIR>>/src/categorytypecombobox.cpp:33: undefined reference to `vtable for CategoryTypeComboBox'
> collect2: error: ld returned 1 exit status

-- 
Martin Michlmayr
Linux for HPE Helion, Hewlett Packard Enterprise