Win: Added QMAKE_EXTRA_TARGETS for copying qml files to $$OUT_PWD

Instead of copying the files while executing qmake (system function),
there is now an extra make target that gets executed every time
make is called.

Slightly better, but still ugly. Still waiting for Ossi's wisdom.

src/plugins/qmlprojectmanager/wizards/templates/app.pro

@@ -30,11 +30,17 @@ symbian {
     contains(DEFINES, NETWORKACCESS):TARGET.CAPABILITY += NetworkServices
 } else:win32 {
     # Ossi will want to kill me when he reads this
-    # TODO: let Ossi create a (post link step) deployment for windows
-    !contains(CONFIG, build_pass):for(deploymentfolder, DEPLOYMENTFOLDERS) {
-        pathSegments = $$split(deploymentfolder, /)
-        sourceAndTarget = $$deploymentfolder $$OUT_PWD/qml/$$last(pathSegments)
-        system($$QMAKE_COPY_DIR $$replace(sourceAndTarget, /, \\))
+    # TODO: Let Ossi do some deployment-via-qmake magic
+    !isEqual(PWD,$$OUT_PWD):!contains(CONFIG, build_pass) {
+        copyCommand = @echo Copying Qml files...
+        for(deploymentfolder, DEPLOYMENTFOLDERS) {
+            pathSegments = $$split(deploymentfolder, /)
+            sourceAndTarget = $$PWD/$$deploymentfolder $$OUT_PWD/qml/$$last(pathSegments)
+            copyCommand += && $(COPY_DIR) $$replace(sourceAndTarget, /, \\)
+        }
+        copyqmlfiles.commands = $$copyCommand
+        first.depends = $(first) copyqmlfiles
+        QMAKE_EXTRA_TARGETS += first copyqmlfiles
     }
 } else {
     # TODO: make this work