Comment # 3 on bug 1044818 from Say-Tar Goh

I made some headway in compiling which might help: The ./configure file in
source has a reference to qscintilla: 

octave_qscintilla_libnames="qscintilla2-qt5 qt5scintilla2"

which fails to find the qscintilla library because it searches a dash instead
of underscore. Change it to

octave_qscintilla_libnames="qscintilla2_qt5 qt5scintilla2"

and voila! It compiles with qscintilla intact, and the resultant GUI has the
editor as expected. 

I'm pretty sure I'm still missing a bunch of other things - for example I can't
figure out how to make my blas-devel comply with 64-bit integers (necessary for
octave to load large matrices; critical for my use), but I think this will help
the packager a lot. 4.3.0 from unstable also seems to have the same
editor-missing problem, so it'll be great if somebody take notice of this when
building the official packages for SuSE.