Active Qt module no longer builds in stable branch

        cd dumpdoc\ && ( if not exist Makefile D:\dev\5-mingw64\qt-mingw64\qtbas
e\bin\qmake.exe D:\dev\5-mingw64\qt-mingw64\qtactiveqt\tools\dumpdoc\dumpdoc.pro
 -o Makefile ) && c:\bin\jom.exe -f Makefile
Project ERROR: Module axcontainer has no public API.
jom: D:\dev\5-mingw64\qt-mingw64\qtactiveqt\tools\Makefile [sub-dumpdoc-make_fir
st-ordered] Error 3
jom: D:\dev\5-mingw64\qt-mingw64\qtactiveqt\Makefile [sub-tools-make_first] Erro
r 2