Compile-config test for winrt

While winrt as a "windows phone" is not supported anymore, the APIs are
available on windows and can be supported where applicable (bluetooth,
positioning, sensors, ...).

This commit adds a configuration tests for the presence of these headers
and libraries.

Task-number: QTBUG-92502
Change-Id: Ia6dcb0a6b8ecdbcf1d1bcf79e42f95ace75f6657
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

5 files changed, 99 insertions, 3 deletions

diff --git a/config.tests/winrt/CMakeLists.txt b/config.tests/winrt/CMakeLists.txt
new file mode 100644
index 00000000..998d8cad
--- /dev/null
+++ b/config.tests/winrt/CMakeLists.txt
@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.14.0)
+project(config_test_winrt LANGUAGES C CXX)
+
+foreach(p ${QT_CONFIG_COMPILE_TEST_PACKAGES})
+    find_package(${p})
+endforeach()
+
+if(QT_CONFIG_COMPILE_TEST_LIBRARIES)
+    link_libraries(${QT_CONFIG_COMPILE_TEST_LIBRARIES})
+endif()
+if(QT_CONFIG_COMPILE_TEST_LIBRARY_TARGETS)
+    foreach(lib ${QT_CONFIG_COMPILE_TEST_LIBRARY_TARGETS})
+        if(TARGET ${lib})
+            link_libraries(${lib})
+        endif()
+    endforeach()
+endif()
+
+add_executable(${PROJECT_NAME}
+    main.cpp
+)
+
+if(MSVC)
+    target_link_libraries(${PROJECT_NAME} PRIVATE
+        runtimeobject.lib
+    )
+endif()
diff --git a/config.tests/winrt/main.cpp b/config.tests/winrt/main.cpp
new file mode 100644
index 00000000..8bcec2f4
--- /dev/null
+++ b/config.tests/winrt/main.cpp
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtPositioning module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <functional>
+#include <windows.system.h>
+
+#include <windows.devices.sensors.h>
+#include <windows.foundation.h>
+#include <wrl.h>
+
+using namespace Microsoft::WRL;
+using namespace Microsoft::WRL::Wrappers;
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::Devices::Sensors;
+
+typedef ITypedEventHandler<Accelerometer *, AccelerometerReadingChangedEventArgs *> AccelerometerReadingHandler;
+
+int main(int, char**)
+{
+    HStringReference classId(RuntimeClass_Windows_Devices_Sensors_Accelerometer);
+    ComPtr<IAccelerometer> sensor;
+    ComPtr<IAccelerometerStatics> factory;
+    HRESULT hr = RoGetActivationFactory(classId.Get(), IID_PPV_ARGS(&factory));
+    hr = factory->GetDefault(&sensor);
+    return 0;
+}
diff --git a/src/plugins/sensors/CMakeLists.txt b/src/plugins/sensors/CMakeLists.txt
index 08bfa26a..7b0644c4 100644
--- a/src/plugins/sensors/CMakeLists.txt
+++ b/src/plugins/sensors/CMakeLists.txt
@@ -10,7 +10,7 @@ endif()
 #     add_subdirectory(sensorfw)
 #endif()
 
-if (WIN32 AND NOT SENSORS_PLUGINS OR "winrt" IN_LIST SENSORS_PLUGINS)
+if (QT_FEATURE_winrt_sensors AND NOT SENSORS_PLUGINS OR "winrt" IN_LIST SENSORS_PLUGINS)
     add_subdirectory(winrt)
 endif()
 
diff --git a/src/plugins/sensors/winrt/CMakeLists.txt b/src/plugins/sensors/winrt/CMakeLists.txt
index 2099547e..cd8191e8 100644
--- a/src/plugins/sensors/winrt/CMakeLists.txt
+++ b/src/plugins/sensors/winrt/CMakeLists.txt
@@ -19,7 +19,11 @@ qt_internal_add_plugin(WinRtSensorPlugin
         Qt::Sensors
     LIBRARIES
         Qt::CorePrivate
-        runtimeobject
+)
+
+qt_internal_extend_target(WinRtSensorPlugin CONDITION MSVC
+    PUBLIC_LIBRARIES
+        runtimeobject.lib
 )
 
 #### Keys ignored in scope 1:.:.:winrt.pro:<TRUE>:
diff --git a/src/sensors/configure.cmake b/src/sensors/configure.cmake
index 06e0de59..7779bf09 100644
--- a/src/sensors/configure.cmake
+++ b/src/sensors/configure.cmake
@@ -13,7 +13,11 @@ endif()
 
 #### Tests
 
-
+if (WIN32 AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../../config.tests/winrt/CMakeLists.txt")
+    qt_config_compile_test("winrt_sensors"
+                           LABEL "WinRT sensors"
+                           PROJECT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../config.tests/winrt")
+endif()
 
 #### Features
 
@@ -24,6 +28,11 @@ qt_feature("sensorfw" PRIVATE
 )
 # special case end
 
+qt_feature("winrt_sensors" PRIVATE
+    LABEL "WinRT sensors backend"
+    CONDITION WIN32 AND TEST_winrt_sensors
+)
+
 qt_configure_add_summary_section(NAME "Qt Sensors")
 if (LINUX)
     # At the moment there is no Qt6 version of sensorfw, and while the
@@ -35,4 +44,9 @@ if (LINUX)
     qt_configure_add_summary_entry(ARGS "sensorfw_enabled_with_cmake")
     qt_configure_add_report(MESSAGE "SensorFW support currently not enabled with cmake")
 endif()
+
+if (WIN32)
+    qt_configure_add_summary_entry(ARGS "winrt_sensors")
+endif()
+
 qt_configure_end_summary_section() # end of "Qt Sensors" section