Symbian: create stub sis during build

Create stub sis during the (tools2) configure step of the Symbian build.
This allows changing of the stub sis package version just by modifying
the qt_stub.pkg file.

Change-Id: I8260fc3db3d6e41926f2217542f84ec93868b65f
Reviewed-by: Jaakko Helanti <[email protected]>
Reviewed-by: Pasi Pentikäinen <[email protected]>
(cherry picked from commit a7f0196)

Author: Pasi Pentikainen

config.profiles/symbian/bld.inf

@@ -42,9 +42,6 @@ implml/qt_copy.implml             CRML_EXPORT_PATH(qt_copy.implml,uda_content)
 qt.sisx                           CRML_EXPORT_PATH(../content/sis/,uda_content)
 #endif
 
-/* export stub sis to enable eclipsing */
-qt_stub.sis                         /epoc32/data/z/system/install/qt_stub.sis
-
 //tools
 ../../bin/createpackage.bat         /epoc32/tools/createpackage.bat
 ../../bin/createpackage.pl          /epoc32/tools/createpackage.pl
@@ -128,3 +125,9 @@ OPTION QT_ROOT ..
 
 OPTION OPTIONS -opensource -confirm-license -openvg QT_OPENGL_ES_CONFIG -script -no-scripttools -no-webkit -make make -graphicssystem openvg -phonon -phonon-backend -usedeffiles -dont-process -nomake examples -nomake demos -nomake tools -audio-backend -fpu softvfp+vfpv2 -debug -debug-and-release
 END
+
+/* create stub sis to enable eclipsing */
+START EXTENSION app-services.buildstubsis
+OPTION SISNAME qt_stub
+OPTION SRCDIR .
+END