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-rw-r--r--src/corelib/thread/qthread_win.cpp6
-rw-r--r--src/gui/dialogs/qwizard_win.cpp14
-rw-r--r--src/gui/styles/qwindowsxpstyle_p.h13
3 files changed, 25 insertions, 8 deletions
diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
index 505a9d6..37d5b87 100644
--- a/src/corelib/thread/qthread_win.cpp
+++ b/src/corelib/thread/qthread_win.cpp
@@ -39,6 +39,12 @@
**
****************************************************************************/
+//#define WINVER 0x0500
+#if _WIN32_WINNT < 0x0400
+#define _WIN32_WINNT 0x0400
+#endif
+
+
#include "qthread.h"
#include "qthread_p.h"
#include "qthreadstorage.h"
diff --git a/src/gui/dialogs/qwizard_win.cpp b/src/gui/dialogs/qwizard_win.cpp
index ff13585..1390b21 100644
--- a/src/gui/dialogs/qwizard_win.cpp
+++ b/src/gui/dialogs/qwizard_win.cpp
@@ -51,11 +51,17 @@
#include <QtGui/QDesktopWidget>
// Note, these tests are duplicates in qwindowsxpstyle_p.h.
-// minimum version for Windows XP is 0x501
-#if _WIN32_WINNT < 0x0501
-# undef _WIN32_WINNT
-# define _WIN32_WINNT 0x0501
+#ifdef Q_CC_GNU
+# include <w32api.h>
+# if (__W32API_MAJOR_VERSION >= 3 || (__W32API_MAJOR_VERSION == 2 && __W32API_MINOR_VERSION >= 5))
+# ifdef _WIN32_WINNT
+# undef _WIN32_WINNT
+# endif
+# define _WIN32_WINNT 0x0501
+# include <commctrl.h>
+# endif
#endif
+
#include <uxtheme.h>
QT_BEGIN_NAMESPACE
diff --git a/src/gui/styles/qwindowsxpstyle_p.h b/src/gui/styles/qwindowsxpstyle_p.h
index 4e8aa00..0a13a52 100644
--- a/src/gui/styles/qwindowsxpstyle_p.h
+++ b/src/gui/styles/qwindowsxpstyle_p.h
@@ -59,10 +59,15 @@
#include <qt_windows.h>
// Note, these tests are duplicated in qwizard_win.cpp.
-// minimum version for Windows XP is 0x501
-#if _WIN32_WINNT < 0x0501
-# undef _WIN32_WINNT
-# define _WIN32_WINNT 0x0501
+#ifdef Q_CC_GNU
+# include <w32api.h>
+# if (__W32API_MAJOR_VERSION >= 3 || (__W32API_MAJOR_VERSION == 2 && __W32API_MINOR_VERSION >= 5))
+# ifdef _WIN32_WINNT
+# undef _WIN32_WINNT
+# endif
+# define _WIN32_WINNT 0x0501
+# include <commctrl.h>
+# endif
#endif
#include <uxtheme.h>