Issues compling the KDE development environment

[Ronald Kanagy]

Hello,

I have run into a couple issues when attempting to build the KDE
development environment using kdesrc-build:

My linux environment is as follows:
Ubuntu/Kubuntu 22.04
GNU C++ g++ 11.2.0 (Ubuntu 11.2.0-19ubuntu1)

I've installed all the Qt5 dependencies that I'm aware of as described at
https://doc.qt.io/qt-5/linux-requirements.html

When I attempt to build kwindowsystem, it comes up with an error that it
cannot find Qt5X11Extras package.  I did provide a workaround to that by
creating a symbolic link named Qt5X11Extras in ~/kde/qt5/lib/cmake to my
existing Qt5X11Extras folder found in /usr/lib/x86_64-linux-gnu/cmake,
which is version 5.15.3, and the version of Qt that I am building in my KDE
development environment is 5.15.5.  This seemed to resolve the issue,
although I'm not sure if what I did is a valid way of resolving this.

My question regarding this is why the Qt5X11Extras folder was not created
in ~/kde/qt5/lib/cmake when Qt5 was build as the first step in building the
KDE Development environment, so that this issue would not come up.  Any
help on resolving that issue would be greatly appreciated.

On to my second more critical errors.  I am getting build/linker errors
when building KIO as follows:

[ 51%] Building CXX object
autotests/CMakeFiles/favicontest.dir/favicontest.cpp.o
[ 51%] Generating ui_checksumswidget.h
[ 51%] Generating ui_kfilepropspluginwidget.h
[ 51%] Generating ui_kpropertiesdesktopadvbase.h
[ 51%] Generating ui_kpropertiesdesktopbase.h
[ 51%] Generating fileundomanager_adaptor.moc
[ 51%] Generating kuiserver_interface.moc
[ 51%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/KF5KIOWidgets_autogen/mocs_compilation.cpp.o
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Core.so.5.15.5: undefined
reference to
`std::__exception_ptr::exception_ptr::_M_release()@CXXABI_1.3.13'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Test.so.5.15.5: undefined
reference to
`std::condition_variable::wait(std::unique_lock<std::mutex>&)@GLIBCXX_3.4.30'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Test.so.5.15.5: undefined
reference to `std::__throw_bad_array_new_length()@GLIBCXX_3.4.29'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Core.so.5.15.5: undefined
reference to
`std::__exception_ptr::exception_ptr::_M_addref()@CXXABI_1.3.13'
collect2: error: ld returned 1 exit status
gmake[2]: ***
[autotests/http/CMakeFiles/httpauthenticationtest.dir/build.make:113:
bin/httpauthenticationtest] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:7959:
autotests/http/CMakeFiles/httpauthenticationtest.dir/all] Error 2
gmake[1]: *** Waiting for unfinished jobs....
[ 51%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/kacleditwidget.cpp.o
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Core.so.5.15.5: undefined
reference to
`std::__exception_ptr::exception_ptr::_M_release()@CXXABI_1.3.13'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Test.so.5.15.5: undefined
reference to
`std::condition_variable::wait(std::unique_lock<std::mutex>&)@GLIBCXX_3.4.30'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Test.so.5.15.5: undefined
reference to `std::__throw_bad_array_new_length()@GLIBCXX_3.4.29'
/usr/bin/ld: /home/rkanagy/kde/qt5/lib/libQt5Core.so.5.15.5: undefined
reference to
`std::__exception_ptr::exception_ptr::_M_addref()@CXXABI_1.3.13'
collect2: error: ld returned 1 exit status
gmake[2]: *** [autotests/http/CMakeFiles/httpobjecttest.dir/build.make:161:
bin/httpobjecttest] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:7987:
autotests/http/CMakeFiles/httpobjecttest.dir/all] Error 2
[ 51%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/kurlrequesterdialog.cpp.o
[ 51%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/kurlcombobox.cpp.o
[ 52%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/kfileitemactions.cpp.o
[ 52%] Building CXX object
src/widgets/CMakeFiles/KF5KIOWidgets.dir/imagefilter.cpp.o
[ 52%] Linking CXX executable ../bin/favicontest
[ 52%] Built target favicontest

I have provided some context to show where in the process these errors are
occurring.  This seems to be a glibc++ problem, maybe I'm not using the
correct version of the GNU C++ compiler, but I'm not sure.

What do I need to do to resolve these linker errors?

Any help on these two issues would be greatly appreciated.

Thanks,
Ron Kanagy
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