Add a configure feature for each geoservice plugin

This patch makes it possible to disable geoservice plugins at
configuration time using the QtLite -no-feature-geoservices_xxx syntax.

Change-Id: I276382833db8cfca27383705cbb3f994ced47cb3
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

configure.json

 {
     "subconfigs": [
-        "src/positioning"
+        "src/positioning",
+        "src/location"
     ]
 }

src/location/configure.json

+{
+    "module": "location",
+    "depends": [
+        "gui"
+    ],
+
+    "features": {
+        "geoservices_osm": {
+            "label": "OpenStreetMap",
+            "purpose": "Provides access to OpenStreetMap geoservices",
+            "section": "Location",
+            "condition": "features.concurrent",
+            "output": [ "privateFeature" ]
+        },
+        "geoservices_here": {
+            "label": "HERE",
+            "purpose": "Provides access to HERE geoservices",
+            "section": "Location",
+            "output": [ "privateFeature" ]
+        },
+        "geoservices_esri": {
+            "label": "Esri",
+            "purpose": "Provides access to Esri geoservices",
+            "section": "Location",
+            "output": [ "privateFeature" ]
+        },
+        "geoservices_mapbox": {
+            "label": "Mapbox",
+            "purpose": "Provides access to Mapbox geoservices",
+            "section": "Location",
+            "output": [ "privateFeature" ]
+        },
+        "geoservices_mapboxgl": {
+            "label": "MapboxGL",
+            "purpose": "Provides access to the Mapbox vector maps",
+            "section": "Location",
+            "condition": [
+                "features.opengl",
+                "features.c++14",
+                "!config.qnx && (!config.win32 || config.mingw)"
+            ],
+            "output": [ "privateFeature" ]
+        },
+        "geoservices_itemsoverlay": {
+            "label": "Itemsoverlay",
+            "purpose": "Provides access to the itemsoverlay maps",
+            "section": "Location",
+            "output": [ "privateFeature" ]
+        }
+    },
+
+    "summary": [
+        {
+            "section": "Qt Location",
+            "entries": [
+                {
+                    "section": "Geoservice plugins",
+                    "entries": [
+                        "geoservices_osm",
+                        "geoservices_here",
+                        "geoservices_esri",
+                        "geoservices_mapbox",
+                        "geoservices_mapboxgl",
+                        "geoservices_itemsoverlay"
+                    ]
+                }
+            ]
+        }
+    ]
+}

src/plugins/geoservices/geoservices.pro

 TEMPLATE = subdirs
 
-SUBDIRS = nokia mapbox esri itemsoverlay
+QT_FOR_CONFIG += location-private  # pulls in the features defined in configure.json
 
-qtConfig(concurrent) {
-    SUBDIRS += osm
-}
+qtConfig(geoservices_here): SUBDIRS += nokia
+qtConfig(geoservices_mapbox): SUBDIRS += mapbox
+qtConfig(geoservices_esri): SUBDIRS += esri
+qtConfig(geoservices_itemsoverlay): SUBDIRS += itemsoverlay
+qtConfig(geoservices_osm): SUBDIRS += osm
 
-qtConfig(opengl):qtConfig(c++14):!win32|mingw:!qnx {
+qtConfig(geoservices_mapboxgl) {
     !exists(../../3rdparty/mapbox-gl-native/mapbox-gl-native.pro) {
         warning("Submodule mapbox-gl-native does not exist. Run 'git submodule update --init' on qtlocation.")
     } else {

src/positioning/configure.json

@@ -38,7 +38,7 @@
 
     "summary": [
         {
-            "section": "Qt Location",
+            "section": "Qt Positioning",
             "entries": [
                 "gypsy",
                 "winrt_geolocation"