Experimental Physics and
Industrial Control System

This weekend I updated my development system with the new debian 10.
This brought with it qt-creator 4.8, which brought with it the new
"clang code model" which attempt to provide compiler error messages
while editing.

I was greeted with a lot of red.

After some frustrating fumbling around I figured out that this feature
does not report indirect #include errors at all.  The symptom is
a lot of errors about "missing ..." for things which are clearly not
missing.

Understanding this entails running qt-creator with:

> export QT_LOGGING_RULES=qtc.clang*=true

And looking at stdout for errors about missing headers.

With Base the problems I hit were not finding the generated
epicsVersion.h, and wrong order of osi and complr includes.
Both are fixed in the *.includes file .