[Development] Qt4.8.x, qdoc3 not available Qt env variables from *.qdocconf file

[Oswald Buddenhagen]

On Fri, Nov 30, 2012 at 11:50:17AM +0400, Denis Shienkov wrote:
> 30.11.2012, 02:31, "Lincoln Ramsay" <a1291762 at gmail.com>:
> >docs_target.commands = "$$set QTDOC=$$QTDOC && $$QDOC3 $$QDOCCONF"
> 
> Also this solution on Windows does not work either. I already checked... When is this solution, Makefile contains a target:
> 
> ...
> docs:
> 	set QTDOC=G:/Qt/Qt4.8.3/doc && G:\Qt\Qt4.8.3\bin\qdoc3.exe <path/to/my/qdocconf>my.qdocconf
> ...
> 
> But linking qt.index file does not happens.
> 
of course it doesn't. the whole line is a single set statement as far as
nmake is concerned.

see what qmake does nowadays. qtPrepareTool() and called functions - all
in qtbase/mkspecs/features/qt_functions.prf.