attempts to avoid error:
Cannot mix incompatible Qt library (x.y.z) with this library (x'.y'.z')
Summary: The Qt5 Purchasing library
Summary(pl.UTF-8): Biblioteka Qt5 Purchasing
Group: Libraries
Summary: The Qt5 Purchasing library
Summary(pl.UTF-8): Biblioteka Qt5 Purchasing
Group: Libraries
-Requires: Qt5Core >= %{qtbase_ver}
+%requires_eq_to Qt5Core Qt5Core-devel
Requires: Qt5Network >= %{qtbase_ver}
%description -n Qt5Purchasing
Requires: Qt5Network >= %{qtbase_ver}
%description -n Qt5Purchasing