Please update dependencies list for OPENSUSE TUMBLEWEED at https://community.kde.org/Guidelines_and_HOWTOs/Build_from_source/Install_the_dependencies with following entries: libqt5-qtbase-devel xcb-proto-devel libQt5QuickControls2-devel libXtst-devel libaccounts-qt5-devel libaccounts-glib-devel libsignon-qt5-devel alsa-devel sphinxbase-devel pocketsphinx-devel vlc-devel libsignon-glib-devel libtag-devel id3lib-devel libmad-devel pocketsphinx-devel vrpn-devel freecell-solver-devel twisted (python (2 || 3)?) and probably: qwt6-devel libqwt-qt5-6.
A number of those are already there. But this is a bug tracker and that page is a wiki; would you please to make this change yourself? :)
I wish it was so simple :) https://community.kde.org/Special:PhabricatorLogin/finish replies with: This page isn’t working community.kde.org is currently unable to handle this request. HTTP ERROR 500
Send an email to sysadmin@kde.org and they'll fix you up very quickly!