4 files changed, 34 insertions, 21 deletions

diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc
index 1a779a94b4..645422050b 100644
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@@ -2788,6 +2788,26 @@
 
     See also \l{#DEPENDPATH}{DEPENDPATH}.
 
+    \target WINDOWS_TARGET_PLATFORM_VERSION
+    \section1 WINDOWS_TARGET_PLATFORM_VERSION
+
+    Specifies the targeted Windows version; this corresponds to the tag
+    \c{WindowsTargetPlatformVersion} in vcxproj files.
+
+    On desktop Windows, the default value is the value of the environment
+    variable \c{WindowsSDKVersion}.
+
+    On WinRT, the default value is the value of the environment variable
+    \c{UCRTVERSION}.
+
+    \target WINDOWS_TARGET_PLATFORM_MIN_VERSION
+    \section1 WINDOWS_TARGET_PLATFORM_MIN_VERSION
+
+    Specifies the minimum version of the Windows target platform; this
+    corresponds to the tag \c{WindowsTargetPlatformMinVersion} in vcxproj files.
+
+    Defaults to \c{WINDOWS_TARGET_PLATFORM_VERSION}.
+
     \target WINRT_MANIFEST
     \section1 WINRT_MANIFEST
 
@@ -2921,10 +2941,12 @@
         \li The version number of the package. Defaults to \c{1.0.0.0}.
     \row
         \li minVersion
-        \li The minimum required Windows version to run the package. Defaults to the environment variable \c UCRTVersion.
+        \li The minimum required Windows version to run the package.
+            Defaults to \c{WINDOWS_TARGET_PLATFORM_VERSION}.
     \row
         \li maxVersionTested
-        \li The maximum Windows version the package has been tested against. Defaults to \c WINRT_MANIFEST.minVersion
+        \li The maximum Windows version the package has been tested against.
+            Defaults to \c{WINDOWS_TARGET_PLATFORM_MIN_VERSION}.
 
     \endtable
 
diff --git a/qmake/generators/win32/msbuild_objectmodel.cpp b/qmake/generators/win32/msbuild_objectmodel.cpp
index ad2976aa01..0e95766f8e 100644
--- a/qmake/generators/win32/msbuild_objectmodel.cpp
+++ b/qmake/generators/win32/msbuild_objectmodel.cpp
@@ -34,7 +34,6 @@
 #include <qscopedpointer.h>
 #include <qstringlist.h>
 #include <qfileinfo.h>
-#include <qversionnumber.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -625,31 +624,17 @@ void VCXProjectWriter::write(XmlOutput &xml, VCProject &tool)
         << tagValue("RootNamespace", tool.Name)
         << tagValue("Keyword", tool.Keyword);
 
-    QString windowsTargetPlatformVersion;
     if (isWinRT) {
         xml << tagValue("MinimumVisualStudioVersion", tool.Version)
             << tagValue("DefaultLanguage", "en")
             << tagValue("AppContainerApplication", "true")
             << tagValue("ApplicationType", "Windows Store")
             << tagValue("ApplicationTypeRevision", tool.SdkVersion);
-        if (tool.SdkVersion == "10.0")
-            windowsTargetPlatformVersion = qgetenv("UCRTVERSION");
-    } else {
-        QByteArray winSDKVersionStr = qgetenv("WindowsSDKVersion").trimmed();
-
-        // This environment variable might end with a backslash due to a VS bug.
-        if (winSDKVersionStr.endsWith('\\'))
-            winSDKVersionStr.chop(1);
-
-        QVersionNumber winSDKVersion = QVersionNumber::fromString(
-                    QString::fromLocal8Bit(winSDKVersionStr));
-        if (!winSDKVersion.isNull())
-            windowsTargetPlatformVersion = winSDKVersionStr;
-    }
-    if (!windowsTargetPlatformVersion.isEmpty()) {
-        xml << tagValue("WindowsTargetPlatformVersion", windowsTargetPlatformVersion)
-            << tagValue("WindowsTargetPlatformMinVersion", windowsTargetPlatformVersion);
     }
+    if (!tool.WindowsTargetPlatformVersion.isEmpty())
+        xml << tagValue("WindowsTargetPlatformVersion", tool.WindowsTargetPlatformVersion);
+    if (!tool.WindowsTargetPlatformMinVersion.isEmpty())
+        xml << tagValue("WindowsTargetPlatformMinVersion", tool.WindowsTargetPlatformMinVersion);
 
     xml << closetag();
 
diff --git a/qmake/generators/win32/msvc_objectmodel.h b/qmake/generators/win32/msvc_objectmodel.h
index 9d1a170489..f8f9804c27 100644
--- a/qmake/generators/win32/msvc_objectmodel.h
+++ b/qmake/generators/win32/msvc_objectmodel.h
@@ -1123,6 +1123,8 @@ public:
     QString                 SccLocalPath;
     QString                 PlatformName;
     QString                 SdkVersion;
+    QString                 WindowsTargetPlatformVersion;
+    QString                 WindowsTargetPlatformMinVersion;
 
     // Single projects
     QList<VCProjectSingleConfig>  SingleProjects;
diff --git a/qmake/generators/win32/msvc_vcproj.cpp b/qmake/generators/win32/msvc_vcproj.cpp
index 95c16661e7..db2a16ae35 100644
--- a/qmake/generators/win32/msvc_vcproj.cpp
+++ b/qmake/generators/win32/msvc_vcproj.cpp
@@ -191,6 +191,10 @@ bool VcprojGenerator::writeProjectMakefile()
         mergedProject.SccProjectName = mergedProjects.at(0)->vcProject.SccProjectName;
         mergedProject.SccLocalPath = mergedProjects.at(0)->vcProject.SccLocalPath;
         mergedProject.PlatformName = mergedProjects.at(0)->vcProject.PlatformName;
+        mergedProject.WindowsTargetPlatformVersion =
+                project->first("WINDOWS_TARGET_PLATFORM_VERSION").toQString();
+        mergedProject.WindowsTargetPlatformMinVersion =
+                project->first("WINDOWS_TARGET_PLATFORM_MIN_VERSION").toQString();
 
         XmlOutput xmlOut(t);
         projectWriter->write(xmlOut, mergedProject);