Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (58 commits)
  Fix a minor typo in QAbstractItemModel's documentation.
  QXmlSchema: allow usage of xsd:all
  QSslSocket: fix build for MinGW and VS 2005
  Fix symbian-abld build failure with bearer plugins
  remove certificate bundle
  make QSslSocket::systemCaCertificates() use system certs
  Adjusted RegExp in QSslCertificate::fromPath()
  Fix QSystemTrayIcon::supportsMessages() on Windows
  Use NIM_SETVERSION to get the latest behavior
  Cleanup obsolete stuff
  doc: Added DITA XML generator
  Fixed a broken merge.
  Changed the way we detect touch screen on Windows.
  Fixed error deploying qsymbianbearer.qtplugin on Symbian.
  Revert "Attempt to fix build failure on Symbian."
  Attempt to fix build failure on Symbian.
  Replaced redundant "!contains" scopes in "contains(A, B) {...} !contains(A, B) {...}" constructions with "else"
  Updated leading whitespace to make indentation more consistent
  Updated project files so it is now possible to use "-system-zlib" configuration option on Windows and Symbian platforms.
  make postgresql support sensitive to PSQL_LIBS
  ...

3 files changed, 16 insertions, 7 deletions

diff --git a/src/gui/image/image.pri b/src/gui/image/image.pri
index 8d75fdd..c4eac95 100644
--- a/src/gui/image/image.pri
+++ b/src/gui/image/image.pri
@@ -93,12 +93,12 @@ SOURCES += \
     SOURCES += image/qpnghandler.cpp
 
     contains(QT_CONFIG, system-png) {
-        unix:LIBS_PRIVATE  += -lpng
-        win32:LIBS += libpng.lib
+        unix|win32-g++*:LIBS_PRIVATE  += -lpng
+        win32:!win32-g++*:LIBS += libpng.lib
     } else {
 	DEFINES *= QT_USE_BUNDLED_LIBPNG
         !isEqual(QT_ARCH, i386):!isEqual(QT_ARCH, x86_64):DEFINES += PNG_NO_ASSEMBLER_CODE
-        INCLUDEPATH  += ../3rdparty/libpng ../3rdparty/zlib
+        INCLUDEPATH += ../3rdparty/libpng
         SOURCES += ../3rdparty/libpng/png.c \
           ../3rdparty/libpng/pngerror.c \
           ../3rdparty/libpng/pngget.c \
@@ -114,6 +114,14 @@ SOURCES += \
           ../3rdparty/libpng/pngwrite.c \
           ../3rdparty/libpng/pngwtran.c \
           ../3rdparty/libpng/pngwutil.c
+
+        contains(QT_CONFIG, system-zlib) {
+            symbian:LIBS_PRIVATE += -llibz
+            else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
+            else:LIBS += zdll.lib
+        } else {
+            INCLUDEPATH  += ../3rdparty/zlib
+        }
     }
 } else {
     DEFINES *= QT_NO_IMAGEFORMAT_PNG
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 20e4b50..fd2c139 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -1766,6 +1766,9 @@ QPixmap QPixmap::transformed(const QMatrix &matrix, Qt::TransformationMode mode)
     function returns the actual matrix used for transforming the
     pixmap.
 
+    \note When using the native X11 graphics system, the pixmap
+    becomes invalid when the QApplication instance is destroyed.
+
     \sa QBitmap, QImage, QImageReader, QImageWriter
 */
 
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 6bebefc..e8dc5ae 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -1250,10 +1250,8 @@ void QX11PixmapData::release()
     pengine = 0;
 
     if (!X11) {
-#ifndef QT_NO_DEBUG
-        qWarning("~QX11PixmapData(): QPixmap objects must be destroyed before the QApplication"
-                 " object, otherwise the native pixmap object will be leaked.");
-#endif
+        // At this point, the X server will already have freed our resources,
+        // so there is nothing to do.
         return;
     }