try to avoid:
samu: job failed: cd /tmp/B.oke831fx/BUILD/qt-everywhere-src-6.3.2/build/qtopcua/src/opcua && /tmp/B.oke831fx/BUILD/qt-everywhere-src-6.3.2/build/qtbase/libx32/qt6/libexec/qhelpgenerator /tmp/B.oke831fx/BUILD/qt-everywhere-src-6.3.2/build/share/doc/qt6-doc/qtopcua/qtopcua.qhp -o /tmp/B.oke831fx/BUILD/qt-everywhere-src-6.3.2/build/share/doc/qt6-doc/qtopcua.qch
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/B.oke831fx/BUILD/tmp/runtime-builder'
Cannot mix incompatible Qt library (6.3.2) with this library (6.3.1)
Aborted
BuildRequires: xz
BuildRequires: zlib-devel >= 1.0.8
BuildRequires: zstd-devel >= 1.3
+BuildConflicts: Qt6Core
BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
%define filterout -flto